Siemens 5SY4525-8

The SUPPLEMENTARY PROTECTOR operates with a configuration of 1+N poles and is designed for a rated current of 25 A. It features a trip characteristic curve D, making it suitable for various applications requiring precise protection against overloads. This component is UL1077 rated, ensuring compliance with safety standards.

With a width of 36 mm and a depth of 70 mm, this IEC Mini Circuit Breaker is compact yet efficient. It operates at a rated voltage of 277 VAC and has a rated insulation voltage of 250 V. The device is designed for installation in environments with a pollution degree of 3 and an overvoltage category of 3, providing reliable performance under varying conditions.

Furthermore, it supports a connectable conductor cross-section of 0.75 mm² for both solid-core and multi-wired conductors. The device's rated short-circuit breaking capacities are 10 kA at 230 V and 20 kA at 230 V per IEC 60947-2, which enhances its utility in protecting circuits from potential faults. The product is also rated for an ambient temperature range of -40 °C, making it suitable for diverse operational environments. This supplementary protector is identified by the Designation Code 5SY4525-8.