


Dwyer Instruments TR-7-X | Ground Continuity Control with 72" cable | Stud type contactor
A component for explosion-proof grounding intended for hazardous environments is the Dwyer TR-7-X Safe-T-Ground. It can run on 1.75 watts without lights or 105-125 VAC 60 Hz with lights. Its temperature range is -13 to 104°F (-25 to 40°C). The enclosure has a DPDT, 10 amp, 125 VAC, 60 Hz contact rating and is constructed of a copper-free cast aluminum alloy. The enclosure is 6-5/8" W x 10-3/8" H x 5-5/8" D, with a 3/4" NPT conduit connection. It includes two grounding studs, a terminal strip for wiring, and 7/16" mounting lugs for installation. The grounding clamp has a 16-2 type SO coiled cable that is retractable to 3' and extendable to 16'. It is constructed of molded polyethylene and has contact clips made of berylium copper.

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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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