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C3SS2-10B-20

The ABB C3SS2-10B-20 is a 2-pole (1+N) miniature circuit breaker with a Type B tripping characteristic and a 10 kA breaking capacity. It has a 20A rated current and is designed to protect electrical circuits against overloads and short circuits in residential, commercial, and light-industrial applications. The "1+N" configuration means the first pole ("1") provides full protection (overload and short-circuit), while the neutral pole ("N") functions primarily as an isolator or switching pole; it may provide short-circuit protection but typically does not have overload protection. It is designed for easy installation on a standard 35mm top-hat DIN rail.

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Technical Specifications Parameter Value / Description Explanation Series / Range System Pro M compact ABB's mainstream, compact distribution equipment series. Product Type Miniature Circuit Breaker (MCB) Core function: Protection against overload and short circuit. Model Breakdown C3SS2-10B-20 Code Decoded: - C3: Product family/design platform. - SS2: "S" for MCB, "S2" indicates a 2-pole device. - 10: Breaking Capacity = 10 kA (Icn). - B: Tripping Characteristic = Type B. - 20: Rated Current = 20 Amperes. Number of Poles 2 Poles (1+N) "1" = Fully protected phase pole. "N" = Neutral pole (primarily for isolation). Rated Current (In) 20 A The continuous current the device is designed to carry. Rated Voltage (Ue) 230/400V AC Suitable for single-phase (230V) and three-phase (400V) systems. Tripping Characteristic Type B Trips between 3x and 5x In (60A to 100A). For general use: lighting, sockets, residential circuits. Breaking Capacity (Icn) 10 kA Maximum short-circuit current it can safely interrupt at rated voltage. Insulation Voltage (Ui) 500V Rated insulation voltage. Impulse Withstand Voltage (Uimp) 4 kV Resistance to voltage surges (e.g., from lightning). Pollution Degree 2 For normal indoor environments. Mounting DIN Rail Mounting Standard 35mm top-hat (TS35) DIN rail. Standards Compliance IEC/EN 60898-1 IEC/EN 60947-2 International and European standards for circuit-breakers. Terminals Screw Clamp Terminals Suitable for rigid and flexible conductors (check local guidelines for torque). Electrical Life Typically >10,000 cycles Mechanical and electrical endurance. Ambient Temperature -25°C to +55°C (for calibration) Operating temperature range. Storage Temperature -40°C to +70°C Approximated Dimensions (W x H x D) ~36mm x 78mm x 70mm 2-module width on a DIN rail.