SH204-D20_ABB_PRODUCT_吉林易择科技技术发展有限公司

Technical Specifications Parameter Specification Part / Model S204‑D20 Product Type Miniature Circuit Breaker (MCB) Number of Poles 4 poles (4P) Tripping Characteristic Type D (high inrush tolerance) Rated Current (In) 20 A Rated Operational Voltage (Ue) 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 Frequency 50 / 60 Hz Rated Short‑Circuit Capacity (Icn) 6 kA (AC) Rated Ultimate Short‑Circuit Breaking Capacity (Icu) ~10 kA (AC) Rated Service Short‑Circuit Breaking Capacity (Ics) ~7.5 kA (AC) Energy Limiting Class Class 3 Connection Type Screw terminals Mounting DIN rail (TH35) Terminal Torque ~2.8 N·m Degree of Protection IP20 Pollution Degree 3 Overvoltage Category III Ambient Operating Temperature –25 °C to +55 °C Standards Compliance IEC/EN 60898‑1; IEC/EN 60947‑2; UL 1077; CSA Contact Position Indication Red ON / Green OFF Typical Dimensions ~70 mm width × 69 mm depth × ~88 mm height Typical Weight ~0.5 kg

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DESCRIBE

The ABB S204‑D20 is a 4‑pole miniature circuit breaker (MCB) from ABB’s System pro M / S200 series, featuring a D‑type trip characteristic. It is designed to provide overload and short‑circuit protection for low‑voltage AC distribution circuits and is suitable for residential, commercial, and light industrial applications. The D‑curve trip characteristic gives the breaker higher tolerance to high inrush currents such as those from motors and transformers, while still delivering dependable protection. The breaker mounts on a standard DIN rail and includes screw‑type terminals for secure wiring.

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