Eaton PKZM4 Series Motor Protection Circuit Breaker, 50 to 58A, 690V AC Supply Voltage - 222394 PKZM4-58 This motor protection circuit breaker is designed to protect electric motors from overload and phase failure, ensuring consistent operation in various industrial environments. It prevents machinery damage and extends operational lifespan, featuring a high breaking capacity that is crucial for effective motor management in automation and electrical systems. Features & Benefits • Adjustable overload protection for enhanced reliability
• Phase-failure sensitivity for immediate corrective action
• Three-pole design accommodates diverse motor applications
• Breaking capacity of 50kA for improved safety
• Screw terminals ensure secure connections
• Designed for a lifespan of up to 30,000 operations Applications • Suitable for controlling three-phase industrial motors
• Ideal for automation systems requiring dependable motor protection
• Operates effectively in ambient temperatures from -25°C to 40°C
• Compatible with motors classified in efficiency class IE3 or higher
• Designed for mounting on top-hat rails in control panels What is the significance of the breaking capacity? The breaking capacity indicates the maximum current the device can safely interrupt, thus preventing damage during overload conditions. Can it be installed in environments with varying temperatures? Yes, it functions effectively in ambient temperatures from -25 to 40°C. How is the overload protection adjusted? Overload protection settings can be customised from 50A to 58A based on application needs. What type of connection does it use? It employs screw terminals, providing stable electrical connections and facilitating straightforward installation. What is the expected lifespan of the device? This circuit breaker is designed for a lifespan of up to 30,000 operations, ensuring durability in industrial applications.