Additional equipment, shunt release, can be combined with an undervoltage release or a second shunt release., 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 60 V DC V, operating range x Us 0.7 - 1.1 factor, max. holding current In 0.07 A, max. pull-in current (35ms) In 7.84 A, max. holding power AC/DC 5 VA/W, max. pull-in power (35ms) AC/DC 540 VA/W, total switching time of the circuit breaker @ Us=100% 30 (IZMX16., INX16.), 35 (IZMX40., INX40.) ms, can be used for IZMX16..., IZMX40..., INX16..., INX40...