PKZM4-40 - EATON Distributor | Moeller Bussmann UPS Circuit Breakers Supplier

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PKZM4-40

The Eaton PKZM4-40 is a compact, high-performance motor protection circuit breaker designed for reliable overload and short-circuit protection of motors in industrial applications. Part of Eaton's PKZ series, this device combines motor starter and circuit protection functions in one unit.

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Key Specifications Rated Current: 40A (adjustable 12-40A) Poles: 3P (3-phase) Motor Power Rating: 18.5kW at 400V AC Short-Circuit Protection: Up to 100kA (with backup fuse) Trip Class: Class 10 (fixed) Standards Compliance: IEC/EN 60947-4-1, UL 508, CSA C22.2 Advanced Features ✔ Integrated Motor Protection Adjustable thermal overload protection Magnetic short-circuit protection Phase failure sensitivity ✔ Space-Saving Design Compact dimensions (45mm width) Integrated design eliminates need for separate overload relay DIN rail mounting (35mm) ✔ Operational Convenience Rotary operation handle Clear trip indication Test button for functionality verification ✔ Durability & Safety Silver alloy contacts High mechanical endurance (>100,000 operations) Finger-safe terminals