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PKZMC-4

Eaton PKZMC-4 – 4A motor protection circuit breaker (MPCB), compact design, 690V AC, 100kA breaking capacity. Thermal-magnetic trip, DIN rail mount. Ideal for small motor and load protection in industrial applications. Complies with IEC/EN 60947-2 & 60947-4-1.

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Eaton PKZMC-4 – Motor Protection Circuit Breaker (MPCB) Technical Specifications

Electrical Parameters
Rated Current (Iₙ): 4A (adjustable 2.5-4A)

Poles: 3

Rated Voltage (Uₙ): 690V AC (50/60Hz)

Breaking Capacity (Icu): 100kA at 415V AC

Trip Class: Class 10 (fast tripping for motors)

Short-Circuit Protection: Magnetic (≈12×Iₙ)

Protection Features
Thermal Overload: Adjustable (0.63-1×Iₙ)

Phase Loss Sensitivity: Integrated

Manual Reset: Standard (auto-reset optional)

Mechanical/Construction
Mounting: DIN rail (35mm)

Terminals: Screw-type (up to 6mm² wire)

Width: 45mm (3-module)

IP Rating: IP20

Environmental/Standards
Operating Temperature: -25°C to +60°C

Certifications: IEC/EN 60947-2 & 60947-4-1, UL 60947, CE, RoHS

Typical Applications
Small motor protection (≤3kW at 400V AC)

Compressor and pump controls

Industrial automation panels