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Dwyer Instruments TR-7-ABX | Ground Continuity Control with 72" cable | Battery type contactor
An explosion-proof grounding system specifically engineered for hazardous environments is the Dwyer TR-7-ABX Safe-T-Ground. It has a temperature range of -25 to 40°C (-13 to 104°F) and requires 105–125 VAC at 60 Hz of power. The enclosure has a DPDT electrical rating of 10 amps, 125 VAC, 60 Hz, and is composed of a copper-free cast aluminum alloy. The measurements are 6-5/8" W x 10-3/8" H x 5-5/8" D. The installation requires 3/4" NPT conduit connection and 7/16" mounting lugs. The grounding system consists of a coiled wire that can be extended to 16 feet and retracted to 3 feet, as well as a molded polypropylene contactor with beryllium copper contact clips.
- 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 Instruments |
| 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 |
| Temp 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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