R-K Electronics, Inc. Protection Relays & Systems SVM-48D-20

The SVM-48D-20 is a single-phase voltage relay designed to monitor DC voltages between 42 and 55 VDC and operate dry contacts rated for 10 amps at 30 VDC. It features a plug-in mounting style with an 8-pin octal base, a fixed 0.5-second delay for nuisance voltage variations, and ±16% over/under voltage trip settings selectable via a single knob. The relay consumes 1.5 VA, operates within 0°C to 40°C ambient temperatures, and includes a dust cover. Its contacts are configured for over and under voltage protection. The device weighs 9 ounces.