Description
Dwyer TR-7-AX is a Safe-T-Ground component designed for hazardous locations. It operates within a temperature range of -13 to 104°F and requires a power supply of 105-125 VAC. The enclosure is made of 356-T6 cast aluminum alloy, ensuring explosion-proof protection. It has a DPDT electrical rating of 10 amps at 125 VAC and a 3/4″ NPT conduit connection. The dimensions are 6-5/8″ W x 10-3/8″ H x 5-5/8″ D, and it has a terminal strip for wiring. The grounding stud is supplied with the option to order more. The contactor is a molded polyethylene clamp with beryllium copper contact clips, equipped with a 16-2 type SO coiled cable that extends up to 16′.
Specifications
Component
Ground Control
(Instrument-Sensor) Temperature Range
-13 – 104°F/-25 – 40°C
(Instrument-Sensor) Supply Voltage
105-125 VAC
(Instrument-Sensor) Supply Voltage
220-240 VAC
Manufacturer
Dwyer Instruments






