SH204-D50_ABB_PRODUCT_吉林易择科技技术发展有限公司

Technical Specifications Parameter Specification Part / Model ABB S204‑D50 Product Type 4‑Pole Miniature Circuit Breaker (MCB) Series / Family System pro M / S200M Tripping Characteristic Type D (high inrush tolerance) Rated Current (In) 50 A Rated Operational Voltage (Ue) 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 Rated Frequency 50 / 60 Hz Rated Short‑Circuit Breaking Capacity (Icn) 6 kA at 400 V AC Rated Ultimate Breaking Capacity (Icu) ~10 kA at 400 V AC Rated Service Breaking Capacity (Ics) ~7.5 kA at 400 V AC Energy Limiting Class Class 3 Pollution Degree 3 Overvoltage Category III Connection Type Screw terminals (failsafe bi‑directional) Mounting DIN‑rail (TH35) Contact Position Indication Red ON / Green OFF Ambient Operating Temperature –25 °C to +55 °C Degree of Protection IP20 Number of Poles 4 poles Width in Modular Units 4 modules Connectable Conductors Solid: 0.75 – 35 mm²; Flexible: 0.75 – 25 mm² Standards Compliance IEC/EN 60898‑1, IEC/EN 60947‑2, UL 1077

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DESCRIBE

The ABB S204‑D50 is a 4‑pole miniature circuit breaker (MCB) with a Type‑D trip characteristic, designed to provide reliable overload and short‑circuit protection for low‑voltage AC distribution circuits. It is part of ABB’s System pro M Compact / S200M series, engineered for residential, commercial, and light industrial electrical installations. The D‑curve enables the breaker to tolerate high inrush currents such as those from motors, transformers, and other inductive loads while still offering dependable protective performance. This compact DIN‑rail mountable breaker features screw terminals with clear ON/OFF indication and complies with international safety standards.

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