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Supplier: WATTCO
Description: which is operated manually. It is called secondary thermal cut-off. A disconnect switch is present to interrupt the electric power supply at the time of heater’s service and maintenance. There is another relay whose purpose is to make sure the fan is ready and energized before
- AC Voltage Required: 120 to 600 volts
- Fuel / Energy Source: Electric
- Heater Type: Tubular Heater, Duct Heater
- Heating Capacity: 50 kW
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Supplier: Thermon, Inc
Description: The Caloritech™ CPXD Control Panel is normally supplied with the XDF Explosion-Proof Duct Heater. These control panels are available in two basic types - type 4 moisture-resistant or explosion proof, and with four different control packages (see Catalog for details).All CPXD control panels
- Additional Control Outputs: Switches / Relays
- Display Type: No Display
- Panel Type: Other
- Power Supply: AC Voltage
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Supplier: Gefran
Description: The GD series of solid state relays (zero crossing type) are solid state actuators with heater break diagnostics (Hb function), selectable current scale, and adjustable setpoint. Junction overheat protection is available as an option. An alarm signal is provided in output. The GD
- Application Type: General Application Relay
- Input Current Range: 40 amps
- Input Voltage Type: AC, DC
- Maximum Current: 40 amps
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Supplier: OMEGA Engineering, Inc.
Description: temperature control. The OMEGALUX® Series CBC controller utilizes a bulb and capillary type sensor to control a single pole, single throw switch. Once the temperature is set, it is automatically maintained by the controller. The control is housed in a rugged cast aluminum enclosure and has an
- Control Signal Output: Switch / Relay Output
- Control Technique: Limit / Set Point Control
- Controller Inputs: Other
- Form Factor: Stand-Alone
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Supplier: CARLO GAVAZZI Automation Components
Description: CARLO GAVAZZI has launched the RM1D Series, a comprehensive family of DC switching solid state relays. The RM1D Series is designed for applications that demand critical response times, rapid cycling, and high reliability. They are ideal for use in transportation, off
- Application Type: Automotive Relay
- Input Voltage Type: DC
- Mounting: Panel
- Operating Temperature: -4 to 176 F
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Supplier: OMEGA Engineering, Inc.
Description: The SSRL series of solid state relays are used to control large resistance heaters in conjunction with temperature controllers. Solid state relays are SPST, normally open switching devices with no moving parts, capable of millions of cycles of operation. By applying a
- Application Type: General Application Relay
- Input (Pick-up) Voltage Range: 3 to 90 volts
- Input Current Range: 0.0100 to 0.0140 amps
- Input Voltage Type: AC, DC
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Supplier: CARLO GAVAZZI Automation Components
Description: also possible. Switching modes cover phase angle control, distributed full cycle control and soft start for limiting inrush current of loads having a high temperature coefficient, such as short wave infrared heaters. Detection of mains loss, load loss, SSR short circuit and
- Application Type: General Application Relay
- Dropout Voltage: 4 volts
- Features: Built-in Heat Sink
- Input (Pick-up) Voltage Range: 4 to 10 volts
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Supplier: CARLO GAVAZZI Automation Components
Description: This slim RG design is capable of detecting various failure modes occurring to the heaters and also to the product itself. Failures which can be detected include partial load failure, heater loss, open circuit SSR, short circuit SSR and SSR over temperature. A normally closed,
- Application Type: General Application Relay
- Dropout Voltage: 1 volts
- Features: Reverse Protection, Visual Indicator
- Input (Pick-up) Voltage Range: 3.8 volts
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Supplier: CARLO GAVAZZI Automation Components
Description: RMD3H combines the benefits of solid state relays and electromechanical relays to provide a hybrid relay. This means that there is virtually no contact arcing and much less heat emission inside the panel. RMD3H switches heaters on three legs while RMD2H has two
- Application Type: General Application Relay
- Dropout Voltage: 9 volts
- Features: Visual Indicator
- Input (Pick-up) Voltage Range: 9 to 90 volts
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Supplier: Allied Electronics, Inc.
Description: LS Series AC Output SIP Relays High surge rated SCR output Metal baseplate Zero volt or instant switch on No moving parts PCB Mount High Surge Rated SCR Output Metal Baseplate Application Include Motor
- Input (Pick-up) Voltage Range: 24 volts
- Input Voltage Type: DC
- Maximum Current: 12 amps
- Mounting: PC Board
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Supplier: Allied Electronics, Inc.
Description: -20 to +70 °C Operational Temperature, Solid State Relays Ideally suited for “phase angle” control of resistive loads, such as heater bands or incandescent lamps. The relay switches off every time the current crosses zero and sw
- Maximum Current: 50 amps
- Mounting: Panel
- Operating Temperature: -4 F
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Supplier: Allied Electronics, Inc.
Description: -20 to +70 °C Operational Temperature, Solid State Relays Ideally suited for “phase angle” control of resistive loads, such as heater bands or incandescent lamps. The relay switches off every time the current crosses zero and swit
- Maximum Current: 50 amps
- Mounting: Panel
- Operating Temperature: -4 F
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Supplier: Allied Electronics, Inc.
Description: -20 to +70 °C Operational Temperature, Solid State Relays Ideally suited for “phase angle” control of resistive loads, such as heater bands or incandescent lamps. The relay switches off every time the current crosses zero and swit
- Maximum Current: 100 amps
- Mounting: Panel
- Operating Temperature: -4 F
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Supplier: Comus International
Description: Hockey Puck Housing, Panel Mounted AC Loads, DC Input, BTB Thyristor 280V Designed to switch inductive loads like electric motors and valves (R-types) as well as resistive loads like heaters and lamps (Z-type).
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Supplier: Comus International
Description: Hockey Puck Housing, Panel Mounted AC Loads, AC Input, Thyristor 280V Designed to switch inductive loads like electric motors and valves (R-types) as well as resistive loads like heaters and lamps (Z-type).
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Supplier: Comus International
Description: Hockey Puck Housing, Panel Mounted AC Loads, AC Input, Thyristor 280V Designed to switch inductive loads like electric motors and valves (R-types) as well as resistive loads like heaters and lamps (Z-type).
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Solid State Relays - Electric Heat Controls -- R810 Series Solid State Relays w/Integrated Heat SinkSupplier: Viconics Technologies Inc.
Description: Viconics’ R810 power switches have been designed for safe and reliable control of electric heat loads. This broad line of value priced products is used by most major North American duct heater manufacturers. The appropriate PWM or pulsed input signal can be provided by a DDC panel or
- Application Type: General Application Relay
- Features: Built-in Heat Sink
- Input (Pick-up) Voltage Range: 240 to 600 volts
- Input Current Range: 10 to 75 amps
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Supplier: Heat Wagon
Description: Heavy-duty frame with wheels and lifting hook Changes from vapor propane to natural gas with a turn of a valve Low amp draw (5.0/8.5) Ductable up to 50’ High CFM axial fan Air switch protected by 30 mesh filter Remote thermostat with 50’ of cord Optional delay start relay Capable of
- Fuel / Energy Source: Natural Gas / Propane
- Heater Type: Space Heater, Air Heater
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Supplier: Finder S.p.A. con unico socio
Description: Hockey puck Solid State Relay Type 77.A1. Zero-crossing switch-on. Output: 25 A Suggested applications: – heater control, lamps, solenoid, contactor driver
- Input (Pick-up) Voltage Range: 240 volts
- Input Current Range: 25 amps
- Input Voltage Type: DC
- Operating Temperature: -22 to 176 F
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Supplier: Finder S.p.A. con unico socio
Description: Hockey puck Solid State Relay Type 77.G1. Zero-crossing switch-on. Output: 100 A Suggested applications: – heater control, lamps, solenoid, contactor driver
- Input (Pick-up) Voltage Range: 240 volts
- Input Current Range: 100 amps
- Input Voltage Type: DC
- Operating Temperature: -22 to 176 F
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Supplier: Finder S.p.A. con unico socio
Description: Hockey puck Solid State Relay Type 77.H1. Zero-crossing switch-on. Output: 125 A Suggested applications: – heater control, lamps, solenoid, contactor driver
- Input (Pick-up) Voltage Range: 240 volts
- Input Current Range: 125 amps
- Input Voltage Type: AC
- Operating Temperature: -22 to 176 F
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Supplier: Finder S.p.A. con unico socio
Description: Hockey puck Solid State Relay Type 77.A3. Random switch-on . Output: 25 A/600 V AC. Suggested applications: – heater or motor control
- Input (Pick-up) Voltage Range: 600 volts
- Input Current Range: 25 amps
- Input Voltage Type: AC
- Operating Temperature: -22 to 176 F
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Supplier: Comus International
Description: Hockey Puck Housing, Panel Mounted AC Loads, DC Input, Triac 420V Especially suited to switch resistive loads as in heaters and lamps.
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Supplier: Process Technology
Description: service in corrosive liquids. Ethylene glycol filled system. Vapor tight, NEMA 1, IP21, flame retardant gasketed plastic enclosure with stainless steel hardware. SPECIFICATIONS Double pole, single throw switches rated at 25 amps for either 120 or 240
- Control Signal Output: Switch / Relay Output
- Control Technique: Limit / Set Point Control
- Controller Inputs: Other
- Form Factor: Stand-Alone
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Supplier: Thermon, Inc
Description: The Caloritech™ AFS Air Flow Switch is used as an interlock to ensure sufficient air movement before a duct heater can be energized. The pressure differential switch must be installed on a vertical surface.
- Control Signal Output: Switch / Relay Output
- Control Technique: Limit / Set Point Control
- Form Factor: Other
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Supplier: Reznor
Description: Reznor® series model UDBS gas-fired separated combustion unit heaters are available in 14 sizes ranging from 30,000 to 400,000 BTUH gas input. Model UDBS heaters are designed for 82-83% thermal efficiency and are approved for commercial/industria l installations in the United
- Fuel / Energy Source: Natural Gas / Propane
- Heater Type: Forced Air Heater, Space Heater
- Heating Capacity: 25.54 kW
- Maximum Air Flow: 1793 SCFM
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Supplier: WorldWide Electric Corporation
Description: standard Self-powered - no separate source required Self protected in short circuit condition No heaters required (saves cost and eliminates time for installation) Test button - tests electronics Conformally coated circuit board Repeat trip accuracy
- Full Load Current Range: 10 to 40 amps
- Motor / Load Phase: Three Phase Protection
- Overload Relay Type: Solid State Overload Relay
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Supplier: Chromalox
Description: The Snow Switch Model PD Pro is an automatic snow and ice melting control system. Utilizing standard Environmental Technology snow and ice sensors (sold separately), applications include snow and ice detection and melting for pavement, sidewalks, loading docks, roofs, gutters and downspouts
- Control Signal Output: Switch / Relay Output
- Standards and Compliance: Other
- Temperature Controller Type: Heating Control
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Supplier: Chromalox
Description: Pro features built-in 30 mA, self-testing Ground Fault Equipment Protection (GFEP), digitally filtered to minimize false tripping. A ground fault condition must be manually reset using the Test/Reset switch before heater operation can continue. The GF Pro uses both automatic and manual
- Control Signal Output: Switch / Relay Output
- Control Technique: Limit / Set Point Control
- Standards and Compliance: Other
- Temperature Controller Type: Heating Control
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Supplier: OMRON Automation and Safety
Description: High-power, load-control SSRs with high current of 75 or 150 A at 240 or 480 VAC The G3PH high power SSRs are designed to switch heaters like alloyed metal heaters (NI-CR heaters f.i.) and lamp heaters (halogen heaters f.i.). It has a replaceable power
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Supplier: Brainboxes Limited
Description: switching of AC and DC motors, Fans, relay drivers, pumps, Voltage Regulators and Battery Chargers, LEDs and Bulbs, Air Conditioning, Heaters and Solenoids. Offers robust and intelligent 'control side' devices that provide the interface to systems on the 24V factory floor
- Analog Input Channels: 0.0 #
- Connection to Host: Ethernet
- Data Acquisition Device Type: I/O Module
- Form Factor: Panel / Chassis Mount
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Supplier: OMRON Automation and Safety
Description: ideal for applications where down time must be minimized. Built-in Current Transformer (CT) helps reduce wiring steps. Detects the burnout of any one of a group of heaters. Detects the burnout of 3-phase heaters. Detects SSR short-circuit failures. Error detection level can be easily
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Supplier: Gems Sensors & Controls
Description: are polypropylene or stainless steel, making this switch ideal for a wide range of chemical and temperature requirements. The materials are also NSF or FDA approved for potable water treatment applications including chlorinators, purifiers and heaters. The FS-500 is ideal for equipment
- Approvals: Other
- Electrical Output: Switch
- End Fittings: Threaded
- Liquid Volumetric Flow Rate Range: 0.2500 to 5 GPM
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Supplier: Oil-Rite Corp.
Description: outlet helps maintain liquid quality. The normally open low level switch inside the reservoir can be wired to shut down machinery or turn on warning devices when the liquid supply fails or recedes to a predetermined level. A conduit box and relay are provided for electrical connection
- Features: Adjustable Volume
- Feed Type: Circulating Oil
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Supplier: Gefran
Description: The GTD series of power solid state relays (zero crossing type) are solid state actuators with built-in heatsink, heater break diagnostics (Hb function), selectable current scale, and adjustable setpoint. Junction overheat protection is available as an option. An alarm signal is
- Application Type: General Application Relay
- Features: Built-in Heat Sink
- Input (Pick-up) Voltage Range: 480 volts
- Input Current Range: 25 to 40 amps
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Supplier: West Control Solutions
Description: West Control Solutions presents a range of thyristor power controllers designed to switch single phase loads. This type of thyristor units is ideal for normal or variable resistive loads as well as transformer and inductive load types. Relay S – 1PH = Simple on/off firing with a DC
- Command Signal: Analog Voltage (e.g. 0-5V), Analog Current (e.g. 4-20 mA)
- Maximum Current: 700 amps
- Mounting: DIN Rail
- Phase: Single Phase
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Supplier: West Control Solutions
Description: West Control Solutions presents a range of thyristor power controllers which have been designed to switch 3 legs of 3 phase loads. These thyristor units are ideal for 3 phase configuration with neutral connection, normal (Relay S or Relay M) or variable resistive loads and
- Command Signal: Analog Voltage (e.g. 0-5V), Analog Current (e.g. 4-20 mA), Other
- Maximum Current: 500 amps
- Mounting: DIN Rail
- Phase: Three Phase (3-leg)
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Supplier: West Control Solutions
Description: West Control Solutions presents a range of thyristor power controllers which have been designed to switch 2 legs of 3 phase loads. These thyristor units are ideal for 3 phase configuration, resistive load, without neutral connection. Relay S – 2PH = Simple on/off firing with
- Command Signal: Analog Voltage (e.g. 0-5V), Analog Current (e.g. 4-20 mA), Other
- Maximum Current: 700 amps
- Mounting: DIN Rail
- Phase: Other
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Supplier: Hydrofarm, Inc.
Description: Most people are slightly vague on the functions provided by this relay and the important role it plays in the co-ordination of the total environment control system. Our Atmospheric Controllers function heaters, fans, coolers etc.. Timers control light cycles, irrigation and CO2
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Supplier: Oil-Rite Corp.
Description: filters larger debris. A low level switch inside the reservoir can be wired to shut down machinery or turn on warning devices when the liquid supply fails or recedes to a predetermined level. The wiring can be accessed using the conduit box and relay. This system is plumbed for
- Features: Adjustable Volume
- Feed Type: Circulating Oil
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Supplier: RS Components, Ltd.
Description: High reliability. SCR output. LED status indicator. Direct load switching of motors, heaters and transformers. Dimensions:H30 x W73.4 x D103.8mm. Terminal Type Screw, Saddle Clamp. 8pF Input-Output Capacitance Accessory Type = Cover For Use With = Single Phase SSRs, Three Phase SSRs
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Featured Products Top
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Classic GNR3 relay, and a panel mount Reverse GN0 relay. Both the GN3 and the GR3 are for use where there’s frequent start/stop operations of three-phase motors or heaters. The GN0 relay is for frequent start/stop/reverse operation of three-phase motors and includes an interlock feature that allows (read more)
Browse Solid State Relays Datasheets for Heilind Electronics, Inc. -
contactors, relays, fuses, on - off disconnect switches, and other components to help regulate your Wattco heater in a safe environment. In conjunction with thermocouples or RTD sensors, temperature controllers (read more)
Browse Temperature Controllers Datasheets for WATTCO
Conduct Research Top
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Application Note: Timely Detection of Heater Failure in a Drying Process
In semi-conductor manufacturing, solid state relays are used to control the switching of infrared heaters that are used to dry lead frames after a washing process.
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The Empirical Validation of House Energy Rating (HER) Software for Lightweight Housing in Cool Temperate Climates
After some initial problems with the data logger programming, it was possible to have the scripting of the alarm, which con- trolled the heater relay switch , overlaid with a time clock control.
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Cryogenic Tritium Target
Would exceeding the predetermined limiting temperature and pressure values is exceeded, the source heater emergency relays switch off.
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Evaluation of various heat-pulse methods for estimation of sap flow in orchard trees: comparison with micrometeorological estimates of evaporation
the thermistor bridge circuits and the relays for switching heat- ers .
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Physics for Chemists and Biologists
Both are temperature- sensitive devices which serve to operate a relay switching a heater either 'on' or 'off' when the temperature of the bath falls below or exceeds a certain value.
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An improved air‐stream incubator for use in high resolution time‐lapse cinemicrography
The temperature was con- trolled by means of an amplifier, run by a thermistor, which drove a relay switching the heater current on and off.
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Transcillatory heat transfer in a liquid with gas bubbles
To provide temperature constancy we use the relay switching the heater power on and off at reaching the preset temperature limits.
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An apparatus for determining the purity of organic compounds
When the light spot due to the thermal e.m.f, falls on the photoresistor, a relay switches the heater on and when the spot disappears, the heater is switched off.
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Semi-automatic equipment for the determination of the ignition temperature of light oil products
…SM synchronic motor; H heater of the analyzer cell; K1 electropneumatic valve; Pl heater relay; Pz relay of the recorder potentiometer; Pz spark relay; KiP 1 and K1P3 are relay contacts; Kl contact switching on the heater relay ; K2 limiting contact; Ks…
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Digital Signal Processing and Spectral Analysis for Scientists
Daily consumption patterns also change according to rate changes at different times (e.g., relay - switched water heaters to benefit from special night rates).
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Advances in Power and Electrical Engineering
Next, set the temperature control device’s regulation temperature at 25℃, open the relay switch , the heater began to work at this point.