Under voltage coil ABB 1SDA073705R1: rated control circuit AC supply voltage Us at 60 Hz 480 V, switch-on current type AC, suitable for power circuit breaker, rated control supply voltage Us AC at 50 Hz 480–500 V. Undervoltage coil tripping the breaker when voltage drops.
Technical data
Series
YU E1.2..E6.2-XT7-XT7M 480-500 Vac
Electrical
Rated control circuit AC supply voltage Us at 60 Hz