ZB Overload Relays
* Protects the motor against phase failure or overload
Short circuit protection when fitted directly to a contact
Suitable for protection of Atex motors
Single phase sensitivity to IEC/EN 60947
When fitting overload relay remote from contactor or using more than one overload relay, use remote mounting base.
ZB12 have 5 pins, ZB32 have 4 pins.
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