


Dwyer Instruments TR-7-ABXL | Ground Continuity Control with 72" cable | Battery type contactor with pilot lights
An explosion-proof enclosure specifically intended for hazardous locations is the Dwyer TR-7-ABXL Safe-T-Ground. It requires 105–125 VAC 60 Hz of electricity and can operate in temperatures between -13 and 104°F. The electrical rating is DPDT, 10 amps, 125 VAC, 60 Hz, and the enclosure is constructed of 356-T6 cast aluminum alloy. It is 6-5/8" W x 10-3/8" H x 5-5/8" D in size, with a 3/4" NPT conduit connector. Wiring is completed using a terminal strip, and installation is completed with 7/16" mounting lugs. Two grounding studs are included in the kit, but more pairs can be ordered. The contactor is a polyethylene grounding clamp with contact clips made of beryllium copper that is manufactured. A 16-2 type SO coiled cable, which retracts to 3' and extends to 16', is also included in the package.

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- Specifications
- Features
- Downloads
Component | Ground Control |
Connection | Conduit: 3/4" NPT |
Current Rating | DPDT, 10 amps, 125 VAC, 60 Hz contact rating |
Housing | 356-T6 cast aluminum alloy (copper free), explosion-proof - Class I, Group D |
Installation | 7/16" mounting lugs, integrally cast |
Manufacturer | Dwyer |
Power | 105-125 VAC 60 Hz 7.75 watts - with light, 1.75 watts - without lights. Optional 220-240 VAC, 50/60 Hz |
Size | 6-5/8" W x 10-3/8" H x 5-5/8" D |
Supply Voltage AC | Instrument-Sensor: 105-125 VAC |
Supply Voltage AC | Instrument-Sensor: 220-240 VAC |
Temperature Range | Instrument-Sensor: -13 - 104°F/-25 - 40°C |
Temperature | Temperature Limits: -13 to 104°F (-25 to 40°C) |
Weight (for shipping) | 20 lb with contactor and cord |
- Housing that is safe against explosions.
- An audible alert and LED status lights.
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