The PKZ2/ZM-4 is a 3-pole, 4A manual motor protector consisting of a PKZ2 base module and ZM-4-PKZ2 overload module. Thermal trip adjustment spans 2.4 to 4A; magnetic trip operates between 35 and 55A. It is UL/CSA certified and rated for 3-phase motors up to 1 HP at 230V and 2 HP at 460V. This device provides coordinated thermal and magnetic protection in industrial motor circuits.
| Electrical rating | |
| Amperage Rating | 4A |
| Trip Type | adjustable thermal/magnetic trip |
| Physical details | |
| Poles | 3P |
| Type | manual motor protector |
| General information | |
| Standards | UL/CSA |
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