The Schneider Electric Acti9 series contactor has action local signalling indicator. It is remote control type with action indicator. Relative humidity of this type of circuit breaker is 95 % at 55 °C. Pole contact composition is 4 NC. These contactors are compliant with standards such as IEC/EN 61095. Impulse withstand voltage is 4 kV Clip-on mounting mode Mechanical durability of 1000000 cycles Ambient air temperature for operation is around -5 to 60 °C