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Introducing the PKZM4 Motor Protection Switch

The PKZM4 Motor Protection Switch by Eaton is a top-of-the-line modular switch designed for the insertion and protection of motor-powered utilities. Representing the superior size of the PKZM0 series, the PKZM4 is compatible with almost all accessories of the PKZM0 range. This switch offers a proven technical solution for motor protection, utilizing bimetallic delay-release circuit breakers based on current. Its design ensures a reliable protection system for motors, with circuit breakers sensitive to phase failure and thermally compensated. The fixed short-circuit breakers, set at 14 x Iu, provide secure protection for the installation (motor) and power conductor. Additionally, the motor startup is guaranteed in all operating states. The sensitivity to phase failure allows for the protection of electric motors EEx, and the ATEX certification is available.

Key Product Properties and Specifications

The PKZM4 Motor Protection Switch is equipped with a range of features that enhance its performance and reliability. The switch features bimetallic delay-release circuit breakers, which are sensitive to phase failure and thermally compensated for optimal performance. The fixed short-circuit breakers are set at 14 x Iu, ensuring the safety of the motor and power conductor. The switch is designed to be used with the motor's nominal current for protection purposes. With its modular design, the PKZM4 can be easily integrated into various motor-powered systems, offering flexibility and adaptability.

• Proven bimetallic delay-release circuit breakers for motor protection
• Thermally compensated for optimal performance
• Fixed short-circuit breakers set at 14 x Iu for secure protection
• Modular design for easy integration into motor-powered systems

Practical Applications and Benefits

The PKZM4 Motor Protection Switch is an essential component for ensuring the safety and efficiency of motor-powered systems. Its ability to protect against phase failure and short-circuits makes it ideal for a wide range of applications, including industrial machinery, pumps, and fans. The switch guarantees reliable motor startup in all operating states, enhancing the overall performance and lifespan of the motor. With its ATEX certification, the PKZM4 is suitable for use in potentially explosive environments, making it a versatile choice for various industries. Whether you are a maintenance engineer or an industrial professional, the PKZM4 offers the protection and reliability you need for your motor-powered equipment.

• Protection against phase failure and short-circuits
• Guaranteed motor startup in all operating states
• Suitable for industrial machinery, pumps, and fans
• ATEX certified for use in potentially explosive environments