Eaton Motor Protection Circuit Breaker PKZM 01 Series, 400mA, 630mA Current Rating, 690V AC, 3 Poles 278478 PKZM01-0,63

Eaton 278478 PKZM01-0,63 Motor Protection Circuit Breaker from the PKZM 01 Series is engineered for superior motor protection in industrial and commercial electrical installations. Designed to protect motors from overloads and phase failures, this circuit breaker operates at a supply voltage of 690V AC with a current rating range of 400mA to 630mA. Featuring 3 poles and a compact form factor measuring 93mm in length, 45mm in width, and 90.5mm in depth, it supports screw terminal connections for both flexible and solid wires, simplifying installation and maintenance.

The device is built to function reliably across a wide ambient temperature spectrum from -25°C to 55°C, making it suitable for diverse environmental conditions. With a high breaking capacity of 50kA, it ensures safe and effective interruption of fault currents, enhancing system safety and motor longevity. The current transformer sensing type delivers precise motor protection, preventing overheating and minimizing risks due to phase failures. This breaker complies with international standards including VDE 0660 Part 102, IEC/EN 60947-4-1, and adheres to RoHS directives ensuring environmental safety.

Installation is straightforward with clip mounting compatible to IEC/EN 60715 top-hat rails, facilitating integration into existing control panels and machinery setups. This product is ideal for a variety of industrial automation applications, motor control panels, and situations demanding robust overload protection and phase sensitivity.

Reliable motor protection against overload and phase failures. Efficient screw terminal connections for ease of use. Compact 3 pole design fits diverse control panel layouts. Wide operating temperature range supports varied environments.

High breaking capacity for industrial fault protection. Current transformer sensing enhances operational safety. Compliant with VDE 0660 Part 102, IEC/EN 60947-4-1, and RoHS standards.

Eaton's PKZM 01 Motor Protection Circuit Breakers are recognized for their durability and precision, making them an excellent choice for safeguarding motors in industrial manufacturing, HVAC systems, water treatment plants, and commercial automation applications. Explore the full range of Eaton products and motor circuit solutions on EnvMart for reliable electrical protection tailored to your needs.