S203-B6_ABB_PRODUCT_吉林易择科技技术发展有限公司

Parameter Specification Product Line / Series System Pro M compact S200 (S200 Series) Device Type Miniature Circuit Breaker (MCB) with B Curve Poles 3P (Three Poles) Rated Current (Iₙ) 6 A (per pole) Rated Voltage (Uₙ) 400 V AC (3-phase) Rated Frequency 50/60 Hz Breaking Capacity (Icn) 6 kA (at 400V AC). This is the standard value for the base S200 series. Tripping Characteristic B Curve (Instantaneous magnetic trip operates between 3 to 5 times Iₙ, i.e., between 18A and 30A per pole). This provides fast, sensitive protection ideal for circuits with long cable runs or where limiting let-through energy is critical. Mechanical Endurance ≥ 20,000 operations Electrical Endurance ≥ 10,000 operations (at Iₙ) Mounting 35 mm symmetrical DIN rail (EN 60715) Width 54 mm (3 standard modules, each 18mm) Terminal Torque 1.5 - 2.0 Nm (for rated cross-section conductors) Connection Capacity Rigid Cable: Up to 25 mm² (per pole) Flexible Cable: Up to 16 mm² (with ferrule recommended, per pole) Standards Compliance IEC/EN 60898-1, IEC/EN 60947-2 Ambient Temperature (Operation) -25°C to +55°C

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DESCRIBE

The ABB S203-B6 is a three-pole miniature circuit breaker (MCB) from the industry-standard S200 series, featuring a "B" characteristic trip curve. This device is a compact, three-module MCB with a rated current of 6 Amperes per pole. The "B" curve is designed for the protection of circuits with very low inrush currents, providing fast and sensitive protection against short-circuits. It is the standard choice for circuits supplying purely resistive loads or loads with minimal startup surge, such as general lighting, socket outlets for small appliances, and certain control circuits.

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