Siemens SENTRON Miniature Circuit Breaker, 4-Pole, 32A, Type B, 400V AC, 72V DC, 10kA, DIN Rail, IP20, Series 5SY4 5SY4432-6

Siemens 5SY4432-6 SENTRON miniature circuit breaker is a high-quality protection device engineered for modern electrical distribution systems requiring advanced safety and reliability. Designed as a 4-pole MCB with a 32A current rating and Type B tripping characteristics, this unit provides robust protection against overload and short circuits in a wide variety of commercial, industrial, and residential applications.

The Siemens SENTRON 5SY4 series breaker supports both 400V AC and 72V DC operations, making it suitable for dual-voltage installations. Its 10kA breaking capacity ensures the circuit remains safe during fault conditions, and the device adheres to IEC/EN 60947-2, UL1077, and IEC/EN 60898-1 standards, guaranteeing performance and industry compliance.

This compact circuit breaker is engineered to be easily installed onto standard DIN rails in control panels and distribution boards. The IP20 ingress protection rating offers a basic level of dust protection and accidental contact prevention, and the toggle switch actuator aids in straightforward manual reset and circuit isolation when necessary.

The 5SY4432-6 is part of Siemens’s SENTRON 5SY4 series, recognized for its extended product life and innovative component integration. The family of devices is compatible with a range of supplementary Siemens modules, such as auxiliary contacts, shunt releases, and fault signal contacts, enabling scalable protection and monitoring solutions tailored to specific electrical system requirements.

Designed for protection against overload and short circuit conditions in distribution systems. Features a compact DIN rail mountable body for convenient installation in control panels. Provides reliable operation with IP20 ingress protection rating for enhanced safety.

Supports both AC (400V) and DC (72V) circuits for versatile functionality. Part of Siemens SENTRON 5SY4 series known for high-quality performance and extended product life. Complies with IEC/EN 60947-2, UL1077, and IEC/EN 60898-1 safety standards.

Features a toggle switch reset actuator for convenient operation and maintenance.

Ideal for use in industrial automation, manufacturing plants, commercial buildings, and infrastructure projects, this Miniature Circuit Breaker enhances electrical safety and operational reliability. For more circuit protection devices and Siemens electrical products, explore the EnvMart catalog for your application needs.