Eaton Motor Protection Circuit Breaker PKZM 01 Series 250mA to 400mA Current Rating 690V AC, 3 Poles 278477 PKZM01-0,4

Eaton 278477 PKZM01-0,4 is a Motor Protection Circuit Breaker from the PKZM 01 series designed to protect three-phase induction motors by automatically interrupting power during overloads and short circuits. It operates within a current range of 250mA to 400mA and supports a supply voltage of 690V AC. The breaker features a compact three-pole configuration, screw terminal connections, and a rated breaking capacity of 50kA for safety and reliability.

This device is engineered to function effectively in harsh industrial conditions with operational temperatures ranging from -25°C minimum to 55°C maximum. It is sensitive to phase failure, which helps prevent motor damage and ensures smooth operation of electrical systems.

Designed for use in industrial automation, electric motor safety circuits, and other high voltage applications, this motor protection circuit breaker meets key standards including IEC/EN 60947-4-1, RoHS, and VDE 0660 Part 102. Its robust construction and precise protection capabilities make it ideal for enhancing motor longevity and system efficiency.

Key technical specifications include a 3-pole design, current transformer sensing type, and IP ratings IP00 and IP20. Its overall dimensions are 93mm length, 45mm width, and 90.5mm depth. The product is manufactured in Germany, ensuring premium quality and compliance with industrial safety requirements.

Provides overload and short-circuit protection through automatic tripping. Compact three-pole design enables space-efficient installation. Equipped with screw terminal connections for easy and secure wiring. Rated breaking capacity is 50kA for enhanced safety in electrical systems.

Operates reliably over wide temperature range from -25°C to 55°C. Features phase-failure sensitivity to prevent motor damage. Suitable for protecting three-phase induction motors in industrial environments. Complies with IEC/EN 60947-4-1, RoHS, and VDE 0660 Part 102 standards.

Made in Germany ensuring high-quality manufacturing standards.

This Eaton Motor Protection Circuit Breaker is essential for industrial, manufacturing, and automation settings requiring reliable motor protection. Explore our wide range of Eaton products and motor protection devices at EnvMart for trusted performance and safety.