Siemens SENTRON 5SJ4203-7HG42 Miniature Circuit Breaker | 3A, 2-Pole
$ 29.7
Description
Siemens SENTRON 5SJ4203-7HG42 Miniature Circuit Breaker | 3A, 2-Pole. Rated Operational Current: 3A. Vibration Resistance: 50 m/s² at 25 to 150Hz. Conductor Range: Supports finely stranded conductors with core end processing from 0.75 mm² up to 25 mm². Safety & Protection: Touch protection included, IP20 rated (IP0 in handle range), halogen-free, and silicon-free construction. Siemens SENTRON 5SJ4203-7HG42 Miniature Circuit Breaker | 3A, 2-Pole This listing is for a brand-new Siemens 5SJ4203-7HG42 miniature circuit breaker from the SENTRON product line . This 2-pole breaker is rated for 3A and is designed for branch circuit protection in infrastructure and industrial applications, specifically supporting 480Y/277V systems according to UL 489 standards . Product Specifications Brand: Siemens SENTRON Part Number: 5SJ4203-7HG42 Number of Poles: 2 (2P) Tripping Characteristic: Class C Rated Operational Current: 3A Maximum Operating Voltage (AC): 277V (per UL 489 and CSA C22.2 No. 5-02) Voltage Supply Type: 480/277V Maximum Operating Voltage (DC): 60V (1-channel); 125V (2-channel) Breaking Capacity: 10kA (at AC according to UL 489) Mechanical Service Life: 10,000 typical operating cycles Technical Features Connection Interface: Combined terminals at both top and bottom for versatile power supply positioning . Conductor Range: Supports finely stranded conductors with core end processing from 0.75 mm² up to 25 mm² . Tightening Torque: 3.5 N·m (31 lb·in) for copper (Cu) terminals . Safety & Protection: Touch protection included, IP20 rated (IP0 in handle range), halogen-free, and silicon-free construction . Mounting: Standard mounting rail fastening for any mounting position . Physical Design & Dimensions Height: 121 mm Width: 36 mm (2 modular width units) Depth / Installation Depth: 70 mm Net Weight: 336 g Operational Environment Ambient Temperature (Operation): -25°C to +55°C Ambient Temperature (Storage): -40°C to +75°C Humidity: Maximum 95% humidity during operation Vibration Resistance: 50 m/s² at 25 to 150Hz
