R-K Electronics, Inc. Protection Relays & Systems DPMP-240A-B

The DPMP is a digital phase monitor that safeguards three-phase AC systems by detecting overvoltage, undervoltage, phase imbalance, and phase rotation. It operates from 200 to 600VAC, 3Ø, with a 50/60Hz supply frequency, and mounts on a panel using four inserts for two mounting dimensions. The device features a 16-character, two-line LCD display with backlighting and membrane button adjustments. Output is provided by SPDT contacts rated at 10 amps at 120VAC, 6 amps at 277VAC, and 5 amps at 30VDC. Termination uses 5mm pluggable terminal blocks. The unit is gasketed for environmental protection and has an operating temperature range of -40°C to 59°C with storage from -40°C to 85°C. Weight is one pound.