Siemens 5SX21 D10 1-Pole Circuit Breaker 230-400VAC 10Amp

Siemens 5SX21 D10 miniature circuit breaker designed for robust protection of single‑phase circuits, offering reliable overload and short‑circuit protection for industrial control panels and commercial electrical installations. Technical specifications: Manufacturer: Siemens Product type: Miniature Circuit Breaker (MCB) Series: 5SX21 Model: 5SX21 D10 Poles: 1‑pole Rated current: 10 A Trip characteristic: D‑curve Rated operational voltage: 240-400 VAC Maximum rated voltage: 277 VAC Rated frequency: 50/60 Hz Rated breaking capacity: 6 kA Tripping mechanism: Thermal‑magnetic Protection function: Overload and short‑circuit protection Mounting type: 35 mm DIN rail Connection type: Screw terminals Housing material: Flame‑retardant thermoplastic Housing color: Light gray Operating handle color: Black Status indication: ON/OFF and trip position indicator Protection degree: IP20 when installed in enclosure Standards compliance: IEC/EN 60898 Certifications and markings: CE Mechanical endurance: More than 20,000 switching operations Electrical endurance: More than 10,000 switching operations Typical applications: Control panels, machinery protection, distribution circuits Installation environment: Industrial and commercial indoor use Country of manufacture: Germany Please review pictures carefully and let us know if you have any questions!