Siemens SENTRON Miniature Circuit Breaker 4-Pole 32A Type D 400V AC 60V DC 10 kA Breaking Capacity 5SY4432-8

Siemens 5SY4432-8 SENTRON Miniature Circuit Breaker is a high-quality, reliable protective device designed for use in electrical distribution systems both in industrial and residential sectors. This 4-pole breaker supports a current rating of 32A and is characterized by a Type D tripping curve, providing tripping at 10 to 14 times the rated current. Suitable for use with both 400V AC and 60V DC power systems, it features a robust breaking capacity of 10 kA, ensuring safe interruption of fault currents.

The breaker includes a toggle switch reset actuator for simple manual operation and is designed for DIN rail mounting, enabling quick fitting and removal during installation or maintenance. Its IP20 protection rating protects internal components from solid objects larger than 12.5 mm, making it suitable for indoor electrical panels. Compact with dimensions of 90mm height, 76mm width, and 90mm depth, it fits well in constrained electrical system spaces.

Compliance with IEC/EN 60898-1 and IEC/EN 60947-2 / UL1077 approvals guarantee that the device meets stringent international safety and performance standards. The Type D tripping characteristic makes it ideal for protecting circuits with high inrush currents such as welders, motors, and transformers, as it trips safely at 10 to 14 times the rated current to avoid nuisance trips.

As part of Siemens' SENTRON 5SY4 series, this circuit breaker supports modular design systems with supplementary components like control current switches, shunt releases, and remote operating mechanisms to enhance installation flexibility and safety.

Toggle switch actuator allows easy manual resetting. DIN rail mounting enables fast installation and removal. Rated breaking capacity of 10 kA ensures robust short circuit protection. Tripping Type D curve specifically for high surge circuits protection.

Compact size fits tight electrical panels efficiently. IP20 rating guards internal parts against solid object ingress. Manufactured in Germany ensuring premium build quality. Compliant with IEC/EN and UL standards for low voltage circuit protection.

This Miniature Circuit Breaker is suitable for use in industrial, commercial, and residential electrical distribution installations requiring reliable overcurrent protection. It is widely used in control panels, motor protection, and electrical distribution boards, ensuring system safety and reliability. Discover more Siemens SENTRON products in the Circuit Breakers category on EnvMart for your complete electrical protection needs.