Eaton - Cutler Hammer PKZM0-20Product Attribute Attribute Value Current Rating 20 A Height 3. 7 Inch Length 1. 8 Inch Series PKZM0 Standards IEC EN 60947 UL 508 CSA C22. 2 Terminal Type Screw Type Motor Protector UPC Code 4015080469889 Voltage, AC 690 V Weight . 68 Pound Width 3 Inch Overview PKZM0 Rotary Switch Operated MPCB Modular Motor Protective Circuit Breakers designed for use with add on contactor modules and accessories which provide isolation, short circuit and thermal