S202-K4_ABB_PRODUCT_吉林易择科技技术发展有限公司

Technical Specifications Specification Value Manufacturer ABB Model / Part Number S202‑K4 Product Type Miniature Circuit Breaker (MCB) Series System pro M compact S200 Number of Poles 2 (2P) Trip Characteristic K‑curve (thermal‑magnetic) Rated Current (Iₙ) 4 A Rated Operational Voltage Up to 400 V AC (per IEC standards) Maximum Operating Voltage 277 Y / 480 V AC (UL/CSA) Rated Frequency 50 / 60 Hz Breaking / Interrupting Capacity ~6 kA (short‑circuit capacity at rated voltage) Rated Insulation Voltage (Uᵢ) ~440 V Rated Impulse Withstand Voltage (Uᵢₘₚ) ~4 kV Mounting Type DIN‑rail (TH35) Terminal Type Screw terminals Contact Position Indication ON (red) / OFF (green) Protection Degree IP20 (installed within panel) Pollution Degree 3 Operational Temperature Range ~‑25 °C to +55 °C Mechanical Endurance ~20 000 cycles Electrical Endurance ~20 000 AC cycles Dimensions (Approx.) Height: 88 mm × Width: 35 mm × Depth: 69 mm Application Overload and short‑circuit protection in electrical distribution boards

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DESCRIBE

The ABB S202‑K4 is a 2‑pole miniature circuit breaker from ABB’s System pro M compact S200 series designed to provide reliable overload and short‑circuit protection in low‑voltage electrical circuits. It uses a thermal‑magnetic trip unit with a K‑type characteristic, which provides enhanced tolerance for inrush currents and quick response to fault conditions. The compact DIN‑rail mountable device is suitable for residential, commercial, and industrial electrical panels, offering robust protection and visual ON/OFF status indication

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