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MS450-32

The ABB MS450-32 is a Complete Motor Starter Combination from ABB's MS (Motor Starter) Series. It is an integrated, compact assembly that combines a Contactor, a Thermal Overload Relay, and a Short-Circuit Protective Device (typically a fuse or a circuit breaker base) into a single, pre-assembled unit. This specific model is designed for the direct control and protection of a three-phase motor with a full load current of approximately 32 Amperes.

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Technical Parameters Parameter Description / Value Product Series ABB MS Series (Complete Motor Starter) Starter Type Direct-On-Line (DOL) Motor Starter Combination Frame Size MS450 Rated Operational Current (Ie) 32 A (at 400V AC, for AC-3 duty) Rated Operational Voltage (Ue) Up to 690 V AC Contactor Rated Current (AC-3) Typically 40A or 45A at 400V AC. Contactor Utilization Category AC-3 (Squirrel-cage motor starting, switching off during running). Thermal Overload Relay Setting Range Adjustable, typically covering the range that includes 32A (e.g., 25-36A or 28-40A). Class 10 trip characteristic. Short-Circuit Protection Device Usually rated for 32A (e.g., a 32A fuse-link like aS/gG type, or a 32A circuit breaker). The exact type (fuse or breaker) is part of the starter assembly. Motor Power Range (at 400V 3ph) Corresponds to ~15 kW. Control Coil Voltage Various AC/DC voltages available (e.g., 24V DC, 110V AC, 230V AC). Must be specified when ordering. Auxiliary Contacts Typically includes at least 1 NO + 1 NC auxiliary contact. Mechanical Durability Millions of operations for the contactor. Electrical Durability Hundreds of thousands of operations at rated current for the contactor. Mounting DIN Rail (35mm) Standards IEC/EN 60947-4-1, IEC/EN 60947-1