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MS116-2.5

The ABB MS116-2.5 is a miniature circuit breaker (MCB) from the compact MSxxx series within the broader System M (M200 S-series). It is a highly space-saving device designed for final circuit protection.

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Parameter Specification Product Line / Series System M (M200 S-series) - MSxxx compact series Device Type Miniature Circuit Breaker (MCB) - 1P+N (Single Pole + Neutral) Protected Poles 1 (Phase/Live only) Switched Poles 2 (Phase and Neutral) Rated Current (Iₙ) 2.5 A Rated Voltage (Uₙ) 230/400 V AC (Phase to Neutral / Phase to Phase) Rated Frequency 50/60 Hz Breaking Capacity (Icn) 10 kA (at 230/400V AC) Tripping Characteristic C Curve (Instantaneous trip between 5x and 10x Iₙ). Suitable for applications with moderate inrush currents. For a 2.5A device, this is often used for small transformer-fed circuits (e.g., doorbells, control power) or specific lighting loads. Mechanical Endurance ≥ 20,000 operations Electrical Endurance ≥ 10,000 operations (at Iₙ) Mounting 35 mm symmetrical DIN rail (EN 60715) Width 18 mm (This is a key advantage: it occupies the space of a single standard module, despite being a 1P+N device). Terminal Torque 1.5 Nm (for rated cross-section conductors) Connection Capacity Typically up to 16 mm² (Confirm with official datasheet) Standards Compliance IEC/EN 60898-1 Ambient Temperature (Operation) -25°C to +55°C