PQ1

Simplest possible interface

AC power in, normally-closed relay contacts out. DIN-rail mount or chassis-mount. Pre-programmed with standard thresholds: SEMI F47, ITIC, CBEMA, IEC, ZA, MIL-STD, and more

Automatically adapts to 50 Hz, 60 Hz, and 400 Hz, at any standard world-wide voltage: 100V, 110V, 120V, 200V, 208V, 220V, 230V or 240V (or higher with external step-down transformer)

Comes pre-programmed to industry-standard thresholds

AC in, Relay out

Connect PQ1 inputs to the AC line that feeds your system, and connect its relay contacts to your control computer’s digital inputs