SH204-D25_ABB_PRODUCT_吉林易择科技技术发展有限公司

Technical Specifications Parameter Specification Part / Model S204‑D25 Product Type Miniature Circuit Breaker (MCB) Series / Family System pro M / S200 series Number of Poles 4 poles (4P) Tripping Characteristic D‑curve Rated Current (In) 25 A Rated Operational Voltage up to 400 V AC (IEC 60898‑1) / 440 V AC (IEC 60947‑2) Rated Insulation Voltage (Ui) 440 V AC Rated Impulse Withstand Voltage (Uimp) 4 kV (typically ~6.2 kV at sea level) Rated Short‑Circuit Capacity (Icn) 6 kA (AC) Rated Ultimate Breaking Capacity (Icu) up to 10 kA (depending on voltage level) Rated Service Breaking Capacity (Ics) ~7.5 kA (typical at 400 V AC) Frequency 50 / 60 Hz Connection Type Screw terminals (bi‑directional cylinder‑lift) Mounting DIN‑rail (TH35) Contact Position Indication Red ON / Green OFF Pollution Degree 3 Overvoltage Category III Energy Limiting Class 3 Electrical Endurance ~20,000 AC cycles Mechanical Endurance ~20,000 cycles Terminal Torque ~2.8 N·m Operational Temperature Range –25 °C to +55 °C Dimensions (approx.) Width ~70 mm × Depth ~69 mm × Height ~88 mm Weight (approx.) ~0.5 kg

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DESCRIBE

The ABB S204‑D25 is a 4‑pole miniature circuit breaker (MCB) from ABB’s System pro M / S200 series, engineered for reliable overload and short‑circuit protection in low‑voltage AC distribution systems. It features a Type D trip characteristic, which provides enhanced tolerance for high inrush currents typically seen in motor and transformer loads, while still offering dependable protective operation. This DIN‑rail mountable breaker has screw‑type terminals and a compact design suitable for residential, commercial, and light industrial panels. It also supports add‑on accessories such as auxiliary contacts and shunt trips for expanded control and monitoring

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