Additional equipment, closing magnet, can be combined with a shunt release and an undervoltage release., Retrofit kit, maximum switching frequency switches/minute 3, is limited to 3/min due to the high pull-in current within 35ms., Please note - the switching frequency of the switch = 60/h, rated control supply voltage Us 110 - 127 V AC 50/60 Hz, 110 - 125 V DC V, operating range x Us 0.85 - 1.1 factor, max. pull-in current (35ms) In 5.22 A, max. pull-in power (35ms) AC/DC 540 VA/W, total switching time of the circuit breaker @ Us=100% 35 ms, can be used for IZMX16..., IZMX40..., INX16..., INX40...