Additional equipment, undervoltage release, Cannot be combined with a second shunt 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 208 - 240 V AC 50/60 Hz, 208 - 250 V DC V, Operating range x Us 0.85 - 1.1 factor, max. holding current In 0.028 A, max. pull-in current (35ms) In 4.27 A, max. holding power AC/DC 5 VA/W, max. pull-in power (35ms) AC/DC 910 VA/W, total switching time of the circuit breaker @ Us=100% 37 ms, can be used for IZMX16..., IZMX40..., INX16..., INX40...