One-shot Time Delay Relays
Reviewed by: Jon Lowy, consulting engineer
Description
One-shot time delay relays, also known as pulse formers, are devices that change the position of their contacts immediately when power is applied. The contacts remain in this changed position for a set period of time before returning to their normal state. These relays are designed to provide a single, timed pulse of output when activated.
Working Principle
One-shot time delay relays operate by altering the position of their contacts as soon as power is applied. This change is maintained for a predetermined duration, after which the contacts revert to their original state. This functionality is particularly useful in applications where a single, timed pulse is required to control a process or operation. The ability to provide a consistent and precise time delay makes these relays valuable in various industrial and automation settings.
Applications
One-shot time delay relays are used in applications where a single pulse is necessary to initiate or control a process. For example, they can be employed in paint booths or high-temperature ovens where the relay provides a timed pulse to control the operation of equipment that cannot be directly mounted at the point of action. They are also useful in systems requiring underspeed detection, where the relay helps prevent erratic switching by shutting down the system when speeds fall below a certain level.
Advantages over other Time Delay Relays
One-shot time delay relays offer the advantage of providing a precise and singular timed pulse, which can be crucial in applications requiring exact timing for process control. Unlike other types of time delay relays that may offer continuous or repeated timing functions, one-shot relays are ideal for applications where only a single, non-repeating pulse is needed.
Limitations
One-shot time delay relays may not be suitable for applications requiring continuous or repeated timing functions, as they are designed to provide only a single pulse. Additionally, their use may be limited in scenarios where the timing needs to be adjusted frequently or dynamically, as they are typically set for a fixed duration.
Considerations
When considering the use of one-shot time delay relays, it is important to evaluate the initial costs and operating expenses, which can vary based on the specific requirements of the application. Durability and accuracy are also key factors, as these relays need to maintain precise timing over their operational lifespan. Replacement and maintenance costs should be considered, especially in environments where the relays are subject to frequent use or harsh conditions.
from Allen-Bradley / Rockwell Automation
700-FE General Purpose Economy Timing Relay, Multi-Function Multi-Range, 0.05 s to 10 hr (6 setting), 1 N.O. , 24V AC/DC / 110-240V 50/60Hz [See More]
- Timer Type: ON-Delay; One-Shot
- Contact Configuration: Normally Open (NO)
- Function Type: Multi-function
from DigiKey
RELAY TIME DELAY 10MIN 10A 125V [See More]
- Timer Type: One-Shot
- Time Ranges: 0.1 Min ~ 10 Min
- Function Type: Single Function
- Pole and Throw Specifications: Single Pole, Double Throw (SPDT)
from RS Components, Ltd.
Solid-sate time delay relays with push-in plus technology are used for in-panel applications. They are ideal in space saving applications due to their slim design and help reduce work in control panels. The timers reduce power consumption by up to 60% to help reduce heat generation in control... [See More]
- Timer Type: One-Shot; Interval
- Minimum: 0.1000
- Function Type: Multi-function
- Maximum: 100
from Allen-Bradley / Rockwell Automation
700-FS General Purpose High Performance Timing Relay, One Shot Pulse Controlled, 0.05 seconds to 1 second, 1 N.O. (Changeover - SPDT), 24-48V DC / 24-240V 50/60Hz [See More]
- Timer Type: ON-Delay; One-Shot
- Pole and Throw Specifications: Single Pole, Double Throw (SPDT)
from DigiKey
RELAY TIME DELAY 10SEC CHAS MT [See More]
- Timer Type: One-Shot
- Time Ranges: 0.1 Sec ~ 10 Sec
- Function Type: Single Function
- Contact Configuration: Normally Open (NO)
from RS Components, Ltd.
Solid-sate time delay relays with push-in plus technology are used for in-panel applications. They are ideal in space saving applications due to their slim design and help reduce work in control panels. The timers reduce power consumption by up to 60% to help reduce heat generation in control... [See More]
- Timer Type: One-Shot; Interval
- Minimum: 0.1000
- Function Type: Multi-function
- Maximum: 100
from Allen-Bradley / Rockwell Automation
700-FS General Purpose High Performance Timing Relay, One Shot Pulse Controlled, 0.5 seconds to 10 seconds, 1 N.O. (Changeover - SPDT), 12V DC [See More]
- Timer Type: ON-Delay; One-Shot
from DigiKey
RELAY TIME DELAY 0.25SEC CHAS MT [See More]
- Timer Type: One-Shot
- Time Ranges: Fixed, 0.25 Sec
- Function Type: Single Function
- Contact Configuration: Normally Open (NO)
from RS Components, Ltd.
Functions - 143,211,453,521,611,612. LED indication of power and contact status. Supply Voltage = 12 - 48 V dc, 24 - 48 V ac. Time Range = 0.05 s - 300 h. Mode of Operation = Flicker OFF Start, Flicker ON Start, Interval, ON Delay, One Shot, Signal OFF Delay, Signal ON/OFF Delay. Mounting Type = DIN... [See More]
- Timer Type: ON-Delay; Off-Delay; One-Shot; Interval
- Minimum: 0.0500
- Function Type: Multi-function
- Maximum: 300
from Allen-Bradley / Rockwell Automation
700-FS General Purpose High Performance Timing Relay, One Shot Pulse Controlled, 0.05 hours to 1 hour, 1 N.O. (Changeover - SPDT), 12V DC [See More]
- Timer Type: ON-Delay; One-Shot
from DigiKey
RELAY TIME DELAY 10SEC 10A 240V [See More]
- Timer Type: One-Shot
- Time Ranges: 0.1 Sec ~ 10 Sec
- Function Type: Single Function
- Pole and Throw Specifications: Double Pole, Double Throw (DPDT)
from RS Components, Ltd.
Functions - 143,211,453,521,611,612. LED indication of power and contact status. Supply Voltage = 100 - 125 V dc, 100 - 240 V ac. Time Range = 0.05 s - 300 h. Mode of Operation = Flicker OFF Start, Flicker ON Start, Interval, ON Delay, One Shot, Signal OFF Delay, Signal ON/OFF Delay. Mounting Type =... [See More]
- Timer Type: ON-Delay; Off-Delay; One-Shot; Interval
- Minimum: 0.0500
- Function Type: Multi-function
- Maximum: 300
from Allen-Bradley / Rockwell Automation
700-H General Purpose Accessories, Timing Module, On-Delay or One-Shot selectable voltage range: 12 â € ¦24V AC/DC used with sockets that accept plug-in accessory modules. , 700-AT3 *For use with 700-HN204 and 700-HN205 sockets [See More]
- Timer Type: ON-Delay; One-Shot
- Function Type: Multi-function
from DigiKey
RELAY TIME DELAY 30SEC 10A 240V [See More]
- Timer Type: One-Shot
- Time Ranges: 0.3 Sec ~ 30 Sec
- Function Type: Single Function
- Pole and Throw Specifications: Double Pole, Double Throw (DPDT)
from RS Components, Ltd.
Crydom SeriesOne DR DIN Rail-mounted solid state relay timers with AC or DC output voltage. The solid-state timers are available in a variety of industry standard timing functions and various input and output voltage options. Single channel 6 A output power rating,Compact size (11 mm wide),8... [See More]
- Timer Type: One-Shot
- Minimum: 0.1000
- Function Type: Single Function
- Maximum: 100
from DigiKey
RELAY TIME DELAY 60SEC 10A 240V [See More]
- Timer Type: One-Shot
- Time Ranges: 0.6 Sec ~ 60 Sec
- Function Type: Single Function
- Pole and Throw Specifications: Double Pole, Double Throw (DPDT)
from RS Components, Ltd.
Functions - 191, 411 (with 2x independent time ranges), 413, 432, 521 (with 2x independent time ranges), 651, 652. Installation design. Wide voltage range. 35mm wide. Supply Voltage = 12 - 240 V ac/dc. Time Range = 50 ms - 100 h. Mode of Operation = Asymmetrical Flash Pulse First, Asymmetricalal... [See More]
- Timer Type: ON-Delay; Off-Delay; One-Shot
- Minimum: 0.0500
- Function Type: Multi-function
- Maximum: 100
from DigiKey
One Shot Time Delay Relay SPDT (1 Form C) Fixed, 3 Min Delay 30A @ 125/240VAC Chassis Mount [See More]
- Timer Type: One-Shot
- Time Ranges: Fixed, 3 Min
- Function Type: Single Function
- Pole and Throw Specifications: Single Pole, Double Throw (SPDT)
from RS Components, Ltd.
Functions - 111, 141, 211, 421, 451, 452, 611, 612. 7 time ranges. Industrial design. Wide voltage range. 22.5mm wide. Supply Voltage = 12 - 240 V ac/dc. Time Range = 50 ms - 100 h. Mode of Operation = Flash Pause First, Flash Pulse First, OFF Delay with Control Input, ON Delay, ON Delay with... [See More]
- Timer Type: ON-Delay; Off-Delay; One-Shot
- Minimum: 0.0500
- Function Type: Multi-function
- Maximum: 100
from DigiKey
One Shot Time Delay Relay SPDT (1 Form C) 1 Sec ~ 100 Sec Delay 30A @ 125/240VAC Chassis Mount [See More]
- Timer Type: One-Shot
- Time Ranges: 1 Sec ~ 100 Sec
- Function Type: Single Function
- Pole and Throw Specifications: Single Pole, Double Throw (SPDT)
from RS Components, Ltd.
Functions - 111, 141, 211, 421, 451, 452, 611, 612. All 8 listed functions operate with 2 x delayed contacts or 1x delayed and 1 x instantaneous contact offering 16 functions in total. 16 time ranges. Industrial design. Connection of remote potentiometer possible. Zoom voltage 24-240Vac/dc. 22.5mm... [See More]
- Timer Type: ON-Delay; Off-Delay; One-Shot
- Minimum: 0.0500
- Function Type: Multi-function
- Maximum: 720
from DigiKey
One Shot Time Delay Relay SPST-NO (1 Form A) Delay Chassis Mount [See More]
- Timer Type: One-Shot
- Contact Configuration: Normally Open (NO)
- Function Type: Single Function
- Pole and Throw Specifications: Single Pole, Single Throw (SPST)
from RS Components, Ltd.
Functions - 191, 413, 421,(2x independent time ranges) 651, 652. 7 time ranges. Industrial design. Wide voltage range. 22.5mm wide. Supply Voltage = 12 - 240 V ac/dc. Time Range = 50 ms - 100 h. Mode of Operation = Asymmetrical Flash Pause First, Asymmetrical Flash Pulse First, ON Delay & OFF Delay... [See More]
- Timer Type: ON-Delay; Off-Delay; One-Shot
- Minimum: 0.0500
- Function Type: Multi-function
- Maximum: 100
from DigiKey
One Shot Time Delay Relay SPDT (1 Form C) 0.1 Sec ~ 10 Sec Delay 10A @ 125VAC Chassis Mount [See More]
- Timer Type: One-Shot
- Time Ranges: 0.1 Sec ~ 10 Sec
- Function Type: Single Function
- Pole and Throw Specifications: Single Pole, Double Throw (SPDT)
from RS Components, Ltd.
Functions - 191, 413, 421, 432, (2x independent time ranges), 651, 652. 10 time ranges. Industrial design. Connection of remote potentiometer possible. Zoom voltage of 24-240Vac/dc. 22.5mm wide. Supply Voltage = 24 - 240 V ac/dc. Time Range = 150 ms - 10 h. Mode of Operation = Asymmetrical Flash... [See More]
- Timer Type: ON-Delay; Off-Delay; One-Shot
- Minimum: 0.1500
- Function Type: Multi-function
- Maximum: 10
from DigiKey
One Shot Time Delay Relay SPDT (1 Form C) Fixed, 35 Min Delay 10A @ 125VAC Chassis Mount [See More]
- Timer Type: One-Shot
- Time Ranges: Fixed, 35 Min
- Function Type: Single Function
- Pole and Throw Specifications: Single Pole, Double Throw (SPDT)
from RS Components, Ltd.
The ENYA series of timers are ultra-compact in their design for optimum space availability.These timers feature a newly developed case front with an overall width of 17.5mm. Up to 7 functions. 7 Time ranges. 17.5 mm width. Installation design for trouble free mounting. LED status indication. 1... [See More]
- Timer Type: ON-Delay; Off-Delay; One-Shot
- Minimum: 0.0500
- Function Type: Multi-function
- Maximum: 100
from DigiKey
One Shot Time Delay Relay SPDT (1 Form C) 0.1 Sec ~ 10 Sec Delay 10A @ 125VAC Chassis Mount [See More]
- Timer Type: One-Shot
- Time Ranges: 0.1 Sec ~ 10 Sec
- Function Type: Single Function
- Pole and Throw Specifications: Single Pole, Double Throw (SPDT)
from RS Components, Ltd.
The ENYA series of timers are ultra-compact in their design for optimum space availability.These timers feature a newly developed case front with an overall width of 17.5mm. Functions - 111, 141, 211, 421, 451, 452, 612. Installation design for trouble free mounting. LEDs for status indication. 7... [See More]
- Timer Type: ON-Delay; Off-Delay; One-Shot
- Minimum: 0.0500
- Function Type: Multi-function
- Maximum: 100
from DigiKey
One Shot Time Delay Relay SPDT (1 Form C) 1 Sec ~ 100 Sec Delay 10A @ 125VAC Chassis Mount [See More]
- Timer Type: One-Shot
- Time Ranges: 1 Sec ~ 100 Sec
- Function Type: Single Function
- Pole and Throw Specifications: Single Pole, Double Throw (SPDT)
from RS Components, Ltd.
The ENYA series of timers are ultra-compact in their design for optimum space availability.These timers feature a newly developed case front with an overall width of 17.5mm. Functions - 111, 141, 211, 421, 451, 452, 612. Installation design for trouble free mounting. LEDs for status indication. 7... [See More]
- Timer Type: ON-Delay; Off-Delay; One-Shot
- Minimum: 0.0500
- Function Type: Multi-function
- Maximum: 100
from DigiKey
One Shot Time Delay Relay SPST-NO (1 Form A) Fixed, 15 Sec Delay Chassis Mount [See More]
- Timer Type: One-Shot
- Time Ranges: Fixed, 15 Sec
- Function Type: Single Function
- Contact Configuration: Normally Open (NO)
from RS Components, Ltd.
Functions - 111, 141, 211, 421, 451, 452, 612. Installation design. 7 time ranges. Wide voltage range. 35mm wide. Supply Voltage = 12 - 240 V ac/dc. Time Range = 50 ms - 100 h. Mode of Operation = Flash Pause First, OFF Delay, ON Delay, ON Delay with Control Contact, One Shot Leading Edge Voltage... [See More]
- Timer Type: ON-Delay; Off-Delay; One-Shot
- Minimum: 0.0500
- Function Type: Multi-function
- Maximum: 100
from DigiKey
One Shot Time Delay Relay SPST-NO (1 Form A) 0.1 Sec ~ 10 Sec Delay Chassis Mount [See More]
- Timer Type: One-Shot
- Time Ranges: 0.1 Sec ~ 10 Sec
- Function Type: Single Function
- Contact Configuration: Normally Open (NO)
from RS Components, Ltd.
Functions - 111,211,421,451,612. Used for control applications or for direct switching of light loads. LED indication of output relay energisation. 27mm wide. Supply Voltage = 10.5 - 265 V ac/dc. Time Range = 0.6-6 hrs, 0.6-6 min, 6-60 hrs, 6-60 min. Mode of Operation = Asymmetrical Recycler with... [See More]
- Timer Type: ON-Delay; One-Shot; Recycle
- Minimum: 36
- Function Type: Multi-function
- Maximum: 60
from DigiKey
One Shot Time Delay Relay SPST-NO (1 Form A) 1 Min ~ 100 Min Delay Chassis Mount [See More]
- Timer Type: One-Shot
- Time Ranges: 1 Min ~ 100 Min
- Function Type: Single Function
- Contact Configuration: Normally Open (NO)
from RS Components, Ltd.
Two times can be set independently (symmetrical & asymmetrical): T ON/T OFF/pulse-pause. Easy time setting using rocker switches. Two-colour display of current actual and set values (red & orange). Backlit LCD display. Settings saved with EEPROM in case of power failure. Supply Voltage = 100 - 240 V... [See More]
- Timer Type: One-Shot
- Minimum: 0.0
- Function Type: Multi-function
- Maximum: 9999
from DigiKey
One Shot Time Delay Relay DPDT (2 Form C) Fixed, 50 Sec Delay 10A @ 120/240VAC Chassis Mount [See More]
- Timer Type: One-Shot
- Time Ranges: Fixed, 50 Sec
- Function Type: Single Function
- Pole and Throw Specifications: Double Pole, Double Throw (DPDT)
from RS Components, Ltd.
Backlit two-tone LCD display. Timer is simple to program and easily integrated into standardised sections. Complies with all necessary European standards. Function selection via DIP switch. Output signal emitted after two time periods. Protection rating IP66. Functions: â € ” Delayed... [See More]
- Timer Type: One-Shot
- Minimum: 0.0
- Function Type: Multi-function
- Maximum: 9999
from DigiKey
One Shot Time Delay Relay SPDT (1 Form C) 7 Sec ~ 480 Sec Delay 10A @ 400VAC Socketable [See More]
- Timer Type: One-Shot
- Time Ranges: 7 Sec ~ 480 Sec
- Function Type: Single Function
- Pole and Throw Specifications: Single Pole, Double Throw (SPDT)
from RS Components, Ltd.
100 V â † ’ 240 Vac or 24 Vac/dc voltage input. Large time range: (0.1 s â † ’ 500 h) 16 time ranges available for selection. High switching capacity (5 A, 250 Vac). 2 changeover contacts. 3 control inputs: stop, signal, reset. DIN housing. Protection rating IP50. [See More]
- Timer Type: ON-Delay; Off-Delay; One-Shot
- Minimum: 1
- Function Type: Multi-function
- Maximum: 500
from DigiKey
One Shot Time Delay Relay DPDT (2 Form C) 1 Sec ~ 1023 Sec Delay 10A @ 120/240VAC Socketable [See More]
- Timer Type: One-Shot
- Time Ranges: 1 Sec ~ 1023 Sec
- Function Type: Single Function
- Pole and Throw Specifications: Double Pole, Double Throw (DPDT)
from RS Components, Ltd.
LT 4H in DIN 48 x 48 format. Several different functions at a low price. Backlit LCD display. Timer is easy to programme and can be integrated easily into standardised sections. Complies with all necessary European standards. Function selection via DIP switch. Protection rating IP66. Supply Voltage... [See More]
- Timer Type: ON-Delay; Off-Delay; One-Shot
- Minimum: 0.0
- Function Type: Multi-function
- Maximum: 9999
from DigiKey
One Shot Time Delay Relay SPDT (1 Form C) 10 Sec ~ 10230 Sec Delay 10A @ 120/240VAC Socketable [See More]
- Timer Type: One-Shot
- Time Ranges: 10 Sec ~ 10230 Sec
- Function Type: Single Function
- Pole and Throw Specifications: Single Pole, Double Throw (SPDT)
from RS Components, Ltd.
LT 4H in DIN 48 x 48 format. Several different functions at a low price. Backlit LCD display. Timer is easy to programme and can be integrated easily into standardised sections. Complies with all necessary European standards. Function selection via DIP switch. Protection rating IP66. Supply Voltage... [See More]
- Timer Type: ON-Delay; Off-Delay; One-Shot
- Minimum: 0.0
- Function Type: Multi-function
- Maximum: 9999
from DigiKey
One Shot Time Delay Relay SPST-NO (1 Form A) 1 Sec ~ 1023 Sec Delay Chassis Mount [See More]
- Timer Type: One-Shot
- Time Ranges: 1 Sec ~ 1023 Sec
- Function Type: Single Function
- Contact Configuration: Normally Open (NO)
from RS Components, Ltd.
100 V â † ’ 240 Vac or 24 Vac/dc voltage input. Large time range: (0.1 s â † ’ 500 h) 16 time ranges available for selection. High switching capacity (5 A, 250 Vac). 2 changeover contacts. 3 control inputs: stop, signal, reset. DIN housing. Protection rating IP50. [See More]
- Timer Type: ON-Delay; Off-Delay; One-Shot
- Minimum: 1
- Function Type: Multi-function
- Maximum: 500
from DigiKey
One Shot Time Delay Relay SPST-NO (1 Form A) 1 Sec ~ 1023 Sec Delay Chassis Mount [See More]
- Timer Type: One-Shot
- Time Ranges: 1 Sec ~ 1023 Sec
- Function Type: Single Function
- Contact Configuration: Normally Open (NO)
from RS Components, Ltd.
Backlit two-tone LCD display. Timer is simple to program and easily integrated into standardised sections. Complies with all necessary European standards. Function selection via DIP switch. Output signal emitted after two time periods. Protection rating IP66. Functions: â € ” Delayed... [See More]
- Timer Type: One-Shot
- Minimum: 0.0
- Function Type: Multi-function
- Maximum: 9999
from DigiKey
One Shot Time Delay Relay SPST-NO (1 Form A) 0.1 Sec ~ 3 Sec Delay Chassis Mount [See More]
- Timer Type: One-Shot
- Time Ranges: 0.1 Sec ~ 3 Sec
- Function Type: Single Function
- Contact Configuration: Normally Open (NO)
from RS Components, Ltd.
100 V â † ’ 240 Vac or 24 Vac/dc voltage input. Large time range: (0.1 s â † ’ 500 h) 16 time ranges available for selection. High switching capacity (5 A, 250 Vac). 2 changeover contacts. 3 control inputs: stop, signal, reset. DIN housing. Protection rating IP50. [See More]
- Timer Type: ON-Delay; Off-Delay; One-Shot
- Minimum: 1
- Function Type: Multi-function
- Maximum: 500
from DigiKey
One Shot Time Delay Relay SPST-NO (1 Form A) 1 Sec ~ 100 Sec Delay Chassis Mount [See More]
- Timer Type: One-Shot
- Time Ranges: 1 Sec ~ 100 Sec
- Function Type: Single Function
- Contact Configuration: Normally Open (NO)
from RS Components, Ltd.
Backlit two-tone LCD display. Timer is simple to program and easily integrated into standardised sections. Complies with all necessary European standards. Function selection via DIP switch. Output signal emitted after two time periods. Protection rating IP66. Functions: â € ” Delayed... [See More]
- Timer Type: One-Shot
- Minimum: 0.0
- Function Type: Multi-function
- Maximum: 9999
from DigiKey
One Shot Time Delay Relay SPDT (1 Form C) 7 Sec ~ 300 Sec Delay 10A @ 120/240VAC Socketable [See More]
- Timer Type: One-Shot
- Time Ranges: 7 Sec ~ 300 Sec
- Function Type: Single Function
- Pole and Throw Specifications: Single Pole, Double Throw (SPDT)
from RS Components, Ltd.
100 V â † ’ 240 Vac or 24 Vac/dc voltage input. Large time range: (0.1 s â † ’ 500 h) 16 time ranges available for selection. High switching capacity (5 A, 250 Vac). 2 changeover contacts. 3 control inputs: stop, signal, reset. DIN housing. Protection rating IP50. [See More]
- Timer Type: ON-Delay; Off-Delay; One-Shot
- Minimum: 1
- Function Type: Multi-function
- Maximum: 500
from Quarktwin Technology Ltd.
One Shot Time Delay Relay SPDT (1 Form C) 0.1 Sec ~ 100 Hrs Delay 8A @ 250VAC DIN Rail [See More]
- Timer Type: One-Shot
- Maximum: 100
- Minimum: 0.1000
- Time Ranges: 0.1 Sec ~ 100 Hrs
from Littelfuse, Inc.
The KRD9 Series microcontroller timing circuit provides excellent repeat accuracy and stability. Cost effective approach for OEM applications that require small size, isolation, reliability, and long life. Operation (Retriggerable Single Shot)Function Type A (Output Initially De-energized): Input... [See More]
- Timer Type: One-Shot
- Pole and Throw Specifications: Single Pole, Double Throw (SPDT)
- Minimum: 0.1000 to 10
- Mounting: Surface mount with 1 #10 (M5 x 0.8) screw
from Time Mark Corporation
The Model 334 and 364 Delayed One-Shot Timers are functionally interchangeable. The Model 334 is a DPDT potentiometer (knob-adjust) timer while the Model 364 is a DPDT, high-accuracy digital input timer. Solid-state timing circuits in each model drive an internal electromechanical relay. Upon... [See More]
- Timer Type: One-Shot
- Time Range: Multiple Time Ranges
- Function Type: Single Function
- Minimum: 1 to 10
from Macromatic Industrial Controls, Inc.
Industry-standard 8 pin octal sockets, low profile knob [See More]
- Timer Type: One-Shot
- Time Range: Single Time Range
- Function Type: Single Function
- Minimum: 0.2000
from Airotronics
TH3P are solid state output Single Shot timers in a fully encapsulated 2" x 2" case. Available with factory-fixed time or adjustable via on-board potentiometer or external resistor. [See More]
- Timer Type: One-Shot; Recycle
- Time Range: Single Time Range; Multiple Time Ranges (optional feature); Field Selectable (optional feature)
- Function Type: Single Function
- Minimum: 0.1000
from Trumeter Company, Inc.
This versatile time relay has a three digit black on silver LCD readout and two pushbuttons, Program (P) and Reset (R). The display carries a wide range of internationally understood annunciators to indicate all the modes, direction of timing and the status of the output at all times. Features. [See More]
- Timer Type: ON-Delay; Off-Delay; One-Shot; Counter
- Time Range: Multiple Time Ranges
- Function Type: Multi-function
- Minimum: 0.0100 to 1
from Quarktwin Technology Ltd.
One Shot Time Delay Relay SPDT (1 Form C) 0.1 Sec ~ 100 Hrs Delay 8A @ 250VAC DIN Rail [See More]
- Timer Type: One-Shot
- Maximum: 100
- Minimum: 0.1000
- Time Ranges: 0.1 Sec ~ 100 Hrs
from Littelfuse, Inc.
The KSPS Series is a factory programmed module available in any 1 of 14 standard functions. The KSPS offers a single, fixed, externally or onboard adjustable time delay. The 1A steady, 10A inrush rated solid-state output provides 100 million operations typical. Its microcontroller timing circuit... [See More]
- Timer Type: One-Shot
- Switch Type: SolidState
- Minimum: 60 to 6000
- Mounting: Surface mount with 1 #10 (M5 x 0.8) screw
from Time Mark Corporation
The Model 334 and 364 Delayed One-Shot Timers are functionally interchangeable. The Model 334 is a DPDT potentiometer (knob-adjust) timer while the Model 364 is a DPDT, high-accuracy digital input timer. Solid-state timing circuits in each model drive an internal electromechanical relay. Upon... [See More]
- Timer Type: One-Shot
- Time Range: Multiple Time Ranges
- Function Type: Single Function
- Minimum: 0.1000 to 102
from Airotronics
TH3PL are solid state output Single Shot timers in a fully encapsulated 2" x 2" case. Available with factory-fixed time or adjustable via on-board potentiometer or external resistor. [See More]
- Timer Type: One-Shot; Recycle
- Time Range: Single Time Range; Multiple Time Ranges (optional feature); Field Selectable (optional feature)
- Function Type: Single Function
- Minimum: 0.1000
from Quarktwin Technology Ltd.
One Shot Time Delay Relay SPDT (1 Form C) 0.1 Sec ~ 100 Hrs Delay 10A @ 250VAC DIN Rail [See More]
- Timer Type: One-Shot
- Maximum: 100
- Minimum: 0.1000
- Time Ranges: 0.1 Sec ~ 100 Hrs
from Littelfuse, Inc.
The TSD6 offers total solid-state, interval timing for 12 or 24VDC applications. This series provides either negative or positive switching. The TSD Series is designed for more demanding commercial and industrial applications where small size and accurate performance is required. The factory... [See More]
- Timer Type: One-Shot
- Switch Type: SolidState
- Minimum: 10
- Contact Configuration: Normally Open (NO)
from Time Mark Corporation
The Model 349 Series Override Timers are one-shot timers designed as lighting control timers or override controls for energy management applications. The timers are designed to operate from either 24 or 120 VAC and mount in a standard wall switch box. Wire leads allow connections to be made with... [See More]
- Timer Type: One-Shot
- Time Range: Single Time Range
- Function Type: Single Function
- Minimum: 300
from Quarktwin Technology Ltd.
One Shot Time Delay Relay DPDT (2 Form C) 0.1 Sec ~ 10 Sec Delay 10A @ 240VAC Socketable [See More]
- Timer Type: One-Shot
- Maximum: 0.0028
- Minimum: 0.1000
- Time Ranges: 0.1 Sec ~ 10 Sec
from Littelfuse, Inc.
The KRPS Series is a factory programmed time delay relay available with 1 of 15 functions and measures only 2 inches square. The KRPS offers a wide range of fixed, onboard, or externally adjustable time delays. The output relay contacts offer a full 10A rating with complete isolation. Its... [See More]
- Timer Type: One-Shot
- Pole and Throw Specifications: Single Pole, Double Throw (SPDT)
- Minimum: 1 to 100
- Mounting: Surface mount with 1 #10 (M5 x 0.8) screw
from Time Mark Corporation
The Model 310 Programmable Timer is a universal timer designed to replace over 20 standard timers. Each Model 310 can be set for one of five functions in four timing ranges, and is available in three voltage ranges. The digital design of the Model 310 provides high accuracy repeatability and... [See More]
- Timer Type: ON-Delay; Off-Delay; One-Shot; Interval; Recycle
- Time Range: Multiple Time Ranges
- Function Type: Multi-function
- Minimum: 0.1500
from Quarktwin Technology Ltd.
One Shot Time Delay Relay DPDT (2 Form C) 0.1 Sec ~ 10 Sec Delay 10A @ 240VAC Socketable [See More]
- Timer Type: One-Shot
- Maximum: 0.0028
- Minimum: 0.1000
- Time Ranges: 0.1 Sec ~ 10 Sec
from Time Mark Corporation
The Model 335 and 365 Retriggerable One-Shot Timers are functionally interchangeable. The Model 335 is a DPDT potentiometer (knob-adjust) timer while the Model 365 is a DPDT, high-accuracy digital input timer. Solidstate timing circuits in each model drive an internal electromechanical relay. With... [See More]
- Timer Type: One-Shot
- Time Range: Multiple Time Ranges
- Function Type: Single Function
- Minimum: 1 to 10
from Quarktwin Technology Ltd.
One Shot Time Delay Relay DPDT (2 Form C) 0.3 Sec ~ 30 Sec Delay 10A @ 240VAC Socketable [See More]
- Timer Type: One-Shot
- Maximum: 0.0083
- Minimum: 0.3000
- Time Ranges: 0.3 Sec ~ 30 Sec
from Time Mark Corporation
The Model 335 and 365 Retriggerable One-Shot Timers are functionally interchangeable. The Model 335 is a DPDT potentiometer (knob-adjust) timer while the Model 365 is a DPDT, high-accuracy digital input timer. Solidstate timing circuits in each model drive an internal electromechanical relay. With... [See More]
- Timer Type: One-Shot
- Time Range: Multiple Time Ranges
- Function Type: Single Function
- Minimum: 0.1000 to 102
from Quarktwin Technology Ltd.
One Shot Time Delay Relay DPDT (2 Form C) 0.6 Sec ~ 60 Sec Delay 10A @ 240VAC Socketable [See More]
- Timer Type: One-Shot
- Maximum: 0.0167
- Minimum: 0.6000
- Time Ranges: 0.6 Sec ~ 60 Sec
from Quarktwin Technology Ltd.
One Shot Time Delay Relay DPDT (2 Form C) 0.1 Min ~ 10 Min Delay 10A @ 240VAC Socketable [See More]
- Timer Type: One-Shot
- Maximum: 0.1667
- Minimum: 6
- Time Ranges: 0.1 Min ~ 10 Min
from Quarktwin Technology Ltd.
One Shot Time Delay Relay DPDT (2 Form C) Delay 10A @ 120/240VAC Socketable [See More]
- Timer Type: One-Shot
- Mounting: Socket or Plug-in Style; Socketable
- Pole and Throw Specifications: Double Pole, Double Throw (DPDT); DPDT (2 Form C)
from Quarktwin Technology Ltd.
One Shot Time Delay Relay SPST-NO (1 Form A) Delay 6A @ 48VDC DIN Rail [See More]
- Timer Type: One-Shot
- Pole and Throw Specifications: Single Pole, Single Throw (SPST); SPST-NO (1 Form A)
- Contact Configuration: Normally Open (NO)
- Mounting: Din Rail; DIN Rail
from Quarktwin Technology Ltd.
One Shot Time Delay Relay SPST-NO (1 Form A) Delay 6A @ 280VAC DIN Rail [See More]
- Timer Type: One-Shot
- Pole and Throw Specifications: Single Pole, Single Throw (SPST); SPST-NO (1 Form A)
- Contact Configuration: Normally Open (NO)
- Mounting: Din Rail; DIN Rail
from Quarktwin Technology Ltd.
One Shot Time Delay Relay SPDT (1 Form C) Fixed, 3 Min Delay 30A @ 125/240VAC Chassis Mount [See More]
- Timer Type: One-Shot
- Pole and Throw Specifications: Single Pole, Double Throw (SPDT); SPDT (1 Form C)
- Time Ranges: Fixed, 3 Min
- Mounting: Chassis Mount
from Quarktwin Technology Ltd.
One Shot Time Delay Relay SPDT (1 Form C) 1 Sec ~ 100 Sec Delay 30A @ 125/240VAC Chassis Mount [See More]
- Timer Type: One-Shot
- Maximum: 0.0278
- Minimum: 1
- Time Ranges: 1 Sec ~ 100 Sec
from Quarktwin Technology Ltd.
One Shot Time Delay Relay SPST-NO (1 Form A) Delay Chassis Mount [See More]
- Timer Type: One-Shot
- Pole and Throw Specifications: Single Pole, Single Throw (SPST); SPST-NO (1 Form A)
- Contact Configuration: Normally Open (NO)
- Mounting: Chassis Mount
from Quarktwin Technology Ltd.
One Shot Time Delay Relay SPDT (1 Form C) 0.1 Sec ~ 10 Sec Delay 10A @ 125VAC Chassis Mount [See More]
- Timer Type: One-Shot
- Maximum: 0.0028
- Minimum: 0.1000
- Time Ranges: 0.1 Sec ~ 10 Sec
from Quarktwin Technology Ltd.
One Shot Time Delay Relay SPDT (1 Form C) 0.1 Sec ~ 10 Sec Delay 10A @ 125VAC Chassis Mount [See More]
- Timer Type: One-Shot
- Maximum: 0.0028
- Minimum: 0.1000
- Time Ranges: 0.1 Sec ~ 10 Sec
from Quarktwin Technology Ltd.
One Shot Time Delay Relay SPDT (1 Form C) Fixed, 35 Min Delay 10A @ 125VAC Chassis Mount [See More]
- Timer Type: One-Shot
- Pole and Throw Specifications: Single Pole, Double Throw (SPDT); SPDT (1 Form C)
- Time Ranges: Fixed, 35 Min
- Mounting: Chassis Mount
from Quarktwin Technology Ltd.
One Shot Time Delay Relay SPDT (1 Form C) 0.1 Sec ~ 10 Sec Delay 10A @ 125VAC Chassis Mount [See More]
- Timer Type: One-Shot
- Maximum: 0.0028
- Minimum: 0.1000
- Time Ranges: 0.1 Sec ~ 10 Sec
from Quarktwin Technology Ltd.
One Shot Time Delay Relay SPDT (1 Form C) 1 Sec ~ 100 Sec Delay 10A @ 125VAC Chassis Mount [See More]
- Timer Type: One-Shot
- Maximum: 0.0278
- Minimum: 1
- Time Ranges: 1 Sec ~ 100 Sec
from Quarktwin Technology Ltd.
One Shot Time Delay Relay SPST-NO (1 Form A) Fixed, 15 Sec Delay Chassis Mount [See More]
- Timer Type: One-Shot
- Contact Configuration: Normally Open (NO)
- Time Ranges: Fixed, 15 Sec
- Pole and Throw Specifications: Single Pole, Single Throw (SPST); SPST-NO (1 Form A)
from Quarktwin Technology Ltd.
One Shot Time Delay Relay SPST-NO (1 Form A) 0.1 Sec ~ 10 Sec Delay Chassis Mount [See More]
- Timer Type: One-Shot
- Maximum: 0.0028
- Minimum: 0.1000
- Time Ranges: 0.1 Sec ~ 10 Sec
from Quarktwin Technology Ltd.
One Shot Time Delay Relay SPST-NO (1 Form A) 0.1 Sec ~ 10 Sec Delay Chassis Mount [See More]
- Timer Type: One-Shot
- Maximum: 0.0028
- Minimum: 0.1000
- Time Ranges: 0.1 Sec ~ 10 Sec
from Quarktwin Technology Ltd.
One Shot Time Delay Relay SPST-NO (1 Form A) 1 Min ~ 100 Min Delay Chassis Mount [See More]
- Timer Type: One-Shot
- Maximum: 1.67
- Minimum: 60
- Time Ranges: 1 Min ~ 100 Min
from Quarktwin Technology Ltd.
One Shot Time Delay Relay DPDT (2 Form C) Fixed, 50 Sec Delay 10A @ 120/240VAC Chassis Mount [See More]
- Timer Type: One-Shot
- Pole and Throw Specifications: Double Pole, Double Throw (DPDT); DPDT (2 Form C)
- Time Ranges: Fixed, 50 Sec
- Mounting: Chassis Mount
from Quarktwin Technology Ltd.
One Shot Time Delay Relay SPDT (1 Form C) 7 Sec ~ 480 Sec Delay 10A @ 400VAC Socketable [See More]
- Timer Type: One-Shot
- Maximum: 0.1333
- Minimum: 7
- Time Ranges: 7 Sec ~ 480 Sec