Technical Parameters Category Specification Model PKZMO-4-T Product Type Motor Protection Circuit Breaker (MPCB) Rated Operational Voltage (Ue) 690V AC Rated Insulation Voltage (Ui) 690V AC Frame Size 4 (This frame covers a specific range of adjustable current settings, e.g., up to 32A or 40A). Utilization Category A (For general purpose) Number of Poles 3-Pole Protection Functions Overload Protection Yes, adjustable via a rotary dial (Ir). Based on a thermal bi-metal trip mechanism. Short-Circuit Protection Yes, fixed magnetic trip setting (Im). Phase Loss Sensitivity** Yes, inherently provides protection against single-phasing. Auxiliary Contacts Trip Indicator Contact (T) - 1 NO (Normally Open) contact that closes upon tripping. Breaking Capacity High breaking capacity according to IEC 60947-2 (e.g., 50kA at 400V). Standards IEC/EN 60947-2, IEC/EN 60947-4-1 Mounting Standard 35 mm DIN rail Control Circuit Connection Screw clamp terminals
