R-K Electronics, Inc. Protection Relays & Systems TVM-100-20-2000

The TVM-100-20-2000 is a three-phase voltage relay for monitoring line voltage between 100 VAC and 130 VAC, with plug-in mounting and an 8-pin octal termination. It provides over/under voltage protection, phase loss detection, and phase rotation verification, with a fixed 0.5-second pick-up and drop-out delay. The relay has a 10 A output rating at 250 VAC, 30 VDC, or 1/2 HP at 250 VAC, and includes a status LED. It operates in ambient temperatures from 0°C to 40°C and weighs approximately 4.5 ounces. The device is designed for use with a 600V OT-08 socket for other series variants, and includes a dust cover. The model operates in under voltage only mode when configured as 20.