Electric
The 388CQX-274 is a 3-phase Delta Voltage Monitor Relay from Schneider Electric. It is a high-accuracy, cost-effective device used to monitor and protect motor circuits from overvoltage, undervoltage, phase loss, and phase reversal. Its all three normally open, normally closed, and common terminals provide for a wide variety of wiring options. The 388CQX-274 features a 240/277V AC Voltage Range, 1S/C HP/1HP @120V, 2HP @ 240V or 2HP @277V, a 16A Contact Rating, and an adjustable, field-selectable voltage setpoint. This device is ideal for both industrial and commercial applications including compressors, pumps, air-conditioners, pumps, and many more.