R-K Electronics, Inc. Protection Relays & Systems STRP-12D-B

The STRP is a panel-mounted seal and temperature status relay designed to monitor submersible pump motor seal integrity and temperature sensor resistance. It has a 12VDC supply with backlight display, pluggable terminal blocks, and dual relay outputs for seal fault (<330Ω) and temp-stat fault (>1,500Ω) conditions. Contact ratings are 10A at 120VAC, 5A at 277VAC, and 5A at 30VDC. Operating ambient temperature ranges from -40°C to 60°C; terminal blocks and display may not function below -20°C. The unit weighs 1 pound and measures 3.88" x 3" x 0.5".