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Supplier: VAST STOCK CO., LIMITED
Description: General Purpose Relays 30A AC VOLT PANEL MT POWER RELAY AgCdO
- Relay Type: General Application Relay
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Supplier: Time Mark Corporation
Description: The Model 2002Y 3-Phase Voltage Unbalance Monitor is designed to continuously monitor a three-phase line with a neutral connection for unbalanced voltage conditions. This device will only energize the relay if an unbalance exists. Zero volts on all three phases is considered a balanced
- Features: Automatic Reset, Visual Indicator
- Operating Temperature: -20 to 131 F
- Phase Unbalance: Yes
- Supply Voltage Range: Up to 480 volts
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Supplier: Hubbell Wiring Device-Kellems
Description: OCCUPANCY/VACANCY SENSOR WITH DUAL RELAY TYPE; 1.76 INCH W X 1.83 INCH D X 2.73 INCH H SIZE; GRAY FINISH; UL (CANADA AND US) APPROVAL; COMMERCIAL, SMALL ROOM, BI-LEVEL LIGHTING WITH NO PARTITION OR OBSTRUCTION APPLICATION; 120/230/277 VAC AT 50/60 HZ VOLT
- Power Requirements: AC Powered
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Supplier: Honeywell International, Inc.
Description: DIFFERENTIAL TEMPERATURE RATING 1 DEG F FIXED SETPOINT TEMPERATURE RATING 0 TO 100 DEG F OUTPUT TYPE RELAY SWITCHING ACTION SPDT BULB SIZE 1/2 X 4-3/16 CAPILLARY LENGTH 20' PACKAGING QUANTITY 24 WEIGHT 1.6 LB MAXIMUM AC VOLTAGE RATING (V) 277 VOLT MINIMUM AC VOLTAGE RATING (V)
- Standards and Compliance: Other
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Supplier: Honeywell International, Inc.
Description: DIFFERENTIAL TEMPERATURE RATING 3 TO 10 DEG F SETPOINT TEMPERATURE RATING 0 TO 100 DEG F OUTPUT TYPE RELAY SWITCHING ACTION SPDT BULB AND CAPILLARY SIZE 1/2 X 4-3/16 CAPILLARY LENGTH 20' INCLUDES DUCT BULB HOLDER PACKAGING QUANTITY 4 WEIGHT 1.6 MAXIMUM AC VOLTAGE RATING (V) 277
- Standards and Compliance: Other
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Supplier: Thomas & Betts Corporation
Description: OCCUPANCY/VACANCY SENSOR WITH DUAL RELAY TYPE; 1.76 INCH W X 1.83 INCH D X 2.73 INCH H SIZE; GRAY FINISH; UL (CANADA AND US) APPROVAL; COMMERCIAL, SMALL ROOM, BI-LEVEL LIGHTING WITH NO PARTITION OR OBSTRUCTION APPLICATION; 120/230/277 VAC AT 50/60 HZ VOLT
- Beam: Infrared
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Supplier: Honeywell International, Inc.
Description: 2 INCH WIDTH X 2-5/8 INCH DEPTH X 5-5/8 INCH HEIGHT SIZE 50/60 HERTZ FREQUENCY RATING UL, CSA APPROVAL BOILER, TANK, PIPE, DUCT, HEATING, COOLING APPLICATION 120/240/277 VOLT AC VOLTAGE RATING 125 DEG F OPERATING TEMPERATURE COPPER
- Standards and Compliance: Other
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Supplier: SOCOMEC
Description: ATyS r and ATyS d are three-phase remotely operated motorised transfer switches, 3 or 4 poles, with positive break indication. They enable the on load transfer of two three-phase power supplies via remote volt-free contacts, from either an external automatic controller, using pulse logic
- Features: Locking
- Maximum AC Voltage Rating: 208 to 277 volts
- Maximum Current Rating: 125 to 3200 amps
- Number of Poles: 3 to 4
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Electrical - Grainger Industrial Supply
• Wireless Relay /Transmitter, Coil Volts 277 VAC, 2-Way Wireless, Dry Contact Input, 60 Hz, Communication Method RF, 315 MHz Band, Wireless Range 50 to 150 ft., Contact Form SPDT, Number of Contacts 2, Contact Amp Rating (Inductive) 770 VA Pilot …
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Electrical - Grainger Industrial Supply
• Wireless Relay /Transmitter, Coil Volts 277 VAC, 2-Way Wireless, Dry Contact Input, 60 Hz, Communication Method RF, 315 MHz Band, Wireless Range 50 to 150 ft., Contact Form SPDT, Number of Contacts 2, Contact Amp Rating (Inductive) 770 VA Pilot …
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Electrical - Grainger Industrial Supply
• Wireless Relay /Transmitter, Coil Volts 277 VAC, 2-Way Wireless, Dry Contact Input, 60 Hz, Communication Method RF, 315 MHz Band, Wireless Range 50 to 150 ft., Contact Form SPDT, Number of Contacts 2, Contact Amp Rating (Inductive) 770 VA Pilot …
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Grainger.com
• Wireless Relay /Transmitter, Coil Volts 277 VAC, 2-Way Wireless, Dry Contact Input, 60 Hz, Communication Method RF, 315 MHz Band, Wireless Range 50 to 150 ft., Contact Form SPDT, Number of Contacts 2, Contact Amp Rating (Inductive) 770 VA Pilot …
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Electrical - Grainger Industrial Supply
• Wireless Relay /Transmitter, Coil Volts 277 VAC, 2-Way Wireless, Dry Contact Input, 60 Hz, Communication Method RF, 315 MHz Band, Wireless Range 50 to 150 ft., Contact Form SPDT, Number of Contacts 2, Contact Amp Rating (Inductive) 770 VA Pilot …
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Electrical - Grainger Industrial Supply
• Wireless Relay /Transmitter, Coil Volts 277 VAC, 2-Way Wireless, Dry Contact Input, 60 Hz, Communication Method RF, 315 MHz Band, Wireless Range 50 to 150 ft., Contact Form SPDT, Number of Contacts 2, Contact Amp Rating (Inductive) 770 VA Pilot …
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WHITE-RODGERS products - Grainger Industrial Supply
• Switching Relay , Coil Voltage Rating @ 50/60 Hz 208/240 Volts , Voltage Rating 277 VAC, Resistive Current 15 Amps, Switch Action DPDT, 2 1/8 x 1 7/8 x 2 1/4 Inches .
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HVAC and Refrigeration - Grainger Industrial Supply
• Switching Relay , Coil Voltage Rating @ 50/60 Hz 208/240 Volts , Voltage Rating 277 VAC, Resistive Current 15 Amps, Switch Action DPDT, 2 1/8 x 1 7/8 x 2 1/4 Inches .
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States > Washington > State > Proposed Regulations > 2012 Documents > October 23‚ 2012 > WAC 296-46B - Electrical Safety Standards‚ Administration&...
(f) The like-in-kind replacement of up to twenty: Paddle fans, luminaires not exceeding 277 volts and 20 amperes; snap switches, dimmers, receptacle outlets, line voltage thermostats, heating elements, luminaire ballasts, circuit breakers, contractors, relays , timers, starters, circuit boards, fuses, or …
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Discussion "Clearing Ground Fault Currents on Distribution Systems---600 Volts or Less"
Since these relays are now more readily available, it would appear that the National Electrical Code should be changed to require their use on all future 480Y/ 277 - volt systems and recommend their use on all other systems.