Siemens 5SY4101-7 1-Pole Circuit Breaker, 230-400VAC 1Amp

Siemens 5SY4101-7 1-Pole Circuit Breaker is a miniature circuit breaker designed for reliable overload and short-circuit protection in low-current electrical circuits, offering fast tripping performance and compact DIN rail mounting for control panels and distribution systems. Manufacturer: Siemens AG Country of manufacture: Germany Model: 5SY4101-7 Type: Miniature circuit breaker (MCB) Number of poles: 1 pole Rated current: 1 A Rated voltage (AC): 230–400 VAC Rated voltage (DC): Typically up to 220 VDC Frequency: 50/60 Hz Trip curve: C-curve (moderate inrush capability) Breaking capacity: 10 kA Tripping mechanism: Thermal-magnetic Thermal protection: Overload protection with inverse time delay Magnetic protection: Instantaneous short-circuit trip Mounting: DIN rail mountable (35 mm rail) Construction: Modular design for panel installation Housing material: Flame-retardant thermoplastic Terminal type: Screw terminals Connection capacity: Suitable for solid and stranded conductors (typically up to 25 mm² depending on conductor type) Operating temperature: Typically -25 °C to +55 °C Insulation voltage: Up to 500 V Protection class: IP20 (when installed) Standards: IEC 60898-1 compliant Reset: Manual reset via toggle lever Indication: ON/OFF/trip position visible on actuator Application areas: Control panels, automation systems, lighting circuits, instrumentation, low-current protection Key feature: High breaking capacity combined with compact size for precise low-current circuit protection