The Siemens 5SY4325-7 is a robust miniature circuit breaker designed to provide reliable overcurrent protection in a variety of applications. This three-pole device is engineered to handle a rated current of 25 A and is suitable for both AC and DC systems, with a rated voltage of 400 V. It boasts a compact form factor with dimensions of 76 x 54 x 90 mm, making it an ideal choice for space-constrained environments.
Crafted with a tripping characteristic class C, the 5SY4325-7 ensures a high level of protection for general applications, including residential, commercial, and industrial settings. Its quick assembly system facilitates easy installation, while the ability to mount in any position offers flexibility during setup. The circuit breaker's mechanical service life is impressive, with a typical rating of 20,000 switching cycles, indicating a long-lasting and durable performance.
The device's insulation voltage is rated at 440 V for multi-phase operation, and it has a breaking capacity short-circuit current (Icn) of 10 kA, in accordance with EN 60898, which demonstrates its capability to handle high fault currents. The 5SY4325-7 is also designed with safety in mind, featuring touch-protection and the ability to be sealed to prevent unauthorized adjustments.
With its combination of compact size, versatile mounting options, and reliable protection features, the Siemens 5SY4325-7 miniature circuit breaker is a dependable choice for safeguarding electrical circuits against overload and short-circuit conditions.