Siemens 5SY5105-7 1-Pole Circuit Breaker 230-400VAC 220VDC 0.5Amp

Siemens 5SY5105-7 1-Pole Circuit Breaker is a miniature circuit breaker designed for precise low-current protection, providing reliable overload and short-circuit protection in control circuits, instrumentation, and sensitive electrical installations, with a C-curve tripping characteristic for moderate inrush conditions. Manufacturer: Siemens AG Country of manufacture: Germany Model: 5SY5105-7 Type: Miniature circuit breaker (MCB) Number of poles: 1 pole Rated current: 0.5 A Rated voltage (AC): 230–400 VAC Rated voltage (DC): 220 VDC Frequency: 50/60 Hz Trip curve: C-curve (moderate inrush tolerance) Breaking capacity: 10 kA Tripping mechanism: Thermal-magnetic Thermal protection: Overload protection Magnetic protection: Instantaneous short-circuit protection Mounting: DIN rail mountable Construction: Modular design for distribution boards and control panels Housing material: Flame-retardant thermoplastic Terminal type: Screw terminals Connection capacity: Suitable for small cross-section conductors typical of control wiring Operating temperature: Typically -25 °C to +55 °C Insulation voltage: Up to 500 V Protection class: IP20 (touch-protected when installed) Standards: IEC 60898-1 compliant Reset: Manual reset via toggle lever Indication: Clear ON/OFF and tripped position indicator on handle Applications: Control circuits, PLC panels, instrumentation, low-current protection, automation systems Key feature: High breaking capacity with very low current rating for sensitive circuit protection Maintenance: Maintenance-free under normal operating conditions