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Dwyer Instruments TR-7-UX | Ground Continuity Control with 72" cable | Stud type contactor, 220V
TR-7-UX Dwyer A temperature control element intended for dangerous environments is called Safe-T-Ground. With an electrical rating of DPDT, 10 amps, 125 VAC, 60 Hz, and an explosion-proof, copper-free cast aluminum shell, it is an impressive device. The unit comes with two grounding studs and a 3/4" NPT conduit connection. Seventeenth-inch mounting lugs simplify installation, while terminal strips streamline wiring. A 16-2 type SO coiled cable with a maximum length of 16 feet and a molded polyethylene contactor (grounding clamp) are included with the device. The TR-7-UX is an energy-efficient device that operates at 105–125 VAC, although it may also run at 220-240 VAC. The overall measurements are 10-3/8" H x 5-5/8" D x 6-5/8" W.
- 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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