Additional equipment, motor drive, the motor automatically tensions the spring energy store for remote or local switching., retrofit kit, maximum switching frequency switches/minute 3, 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. operating current In 3 AC / 2 DC A, max. starting current (35ms) In 9 AC / 7.5 DC A, max. power AC/DC 425 AC / 275 DC VA/W, max. starting power (35ms) AC/DC 3 VA/W, can be used for IZMX40., INX40.