Eaton Motor Protection Circuit Breaker 630 mA, 1A, 690V AC, 3 Poles, -25 to 55°C Operating Temperature, PKZM 278479 PKZM01-1

Eaton 278479 PKZM01-1 Motor Protection Circuit Breaker is a critical component designed for safeguarding industrial motors against overloads and short circuits. Operating with a current rating range of 630 mA to 1A and a supply voltage of 690V AC, this three-pole breaker ensures robust electrical protection in demanding environments.

Its high breaking capacity of 50kA guarantees dependable circuit interruption capability to protect electrical systems during fault conditions. The device supports a wide operating temperature range from -25 to 55°C, making it suitable for varied industrial climates and applications.

This model is equipped with screw terminals for secure electrical connections, enhancing operational reliability. The current transformer sensing type provides precise detection of motor current, ensuring timely intervention during overload or fault events.

Built to comply with stringent standards such as VDE 0660 Part 102, RoHS, and IEC/EN 60947-4-1, the motor protection circuit breaker assures both safety and environmental compliance.

The part features a compact design with dimensions 93 mm length, 45 mm width, and 90.5 mm depth, allowing installation on IEC/EN 60715 rails in confined spaces. It is suitable for various industrial machinery setups, automated machinery, and small to medium-sized motors, enhancing the protection and lifespan of electrical systems.

High breaking capacity of 50kA for reliable circuit protection. Three-pole configuration for enhanced adaptability. Screw terminals for secure and reliable connections. Wide operating temperature range from -25 to 55°C. Compliant with VDE 0660 Part 102, RoHS, and IEC/EN 60947-4-1 standards.

Current transformer sensing type for accurate overload detection. Compact size suitable for top-hat rail mounting. Electrical lifespan of 50,000 operations reduces maintenance intervals. Phase failure sensitivity maintains motor efficiency.

Compatible with IE3 efficiency class motors.

This Eaton motor protection circuit breaker is ideal for industrial, manufacturing, automated machinery, commercial, and HVAC applications where motor safety and efficiency are paramount. It significantly contributes to the operational reliability of electric motors, safeguarding equipment and reducing downtime.

For more industrial electrical protection devices and motor control products, explore our wide range in the Motor Protection Circuit Breaker category at EnvMart.