Adjustable overvoltage and undervoltage protection relay, 3P+N 100A 63A three-phase phase selector (100A phase selector)

Rated supply voltage: 3 x 220 V AC Maximum load current: 100 A Current protection: adjustable from 1 to 100 A Operating voltage range: 140 V AC to 300 V AC Rated frequency: 50/60 Hz Hysteresis: overvoltage and asymmetry: 5 V, undervoltage: 3 V Trip delay in case of asymmetry: 10 s Voltage measurement accuracy: ≤ 1% (over full range) Rated insulation voltage: 450 V Output contact: 1 NO Electrical life: 100,000 Mechanical life: 100,000 Protection rating: IP20 Altitude: ≤ 2000 m Humidity: < 50% at 40°C (non-condensing)