ABB Molded Case Circuit Breakers (MCCBs) provide reliable protection and switching solutions for low-voltage electrical distribution systems. Designed for industrial, commercial, infrastructure, motor protection, and renewable energy applications, ABB MCCBs offer protection against overloads and short circuits, together with flexible options for isolation, motor protection, residual current protection, and specialized applications.

Our MCCB product range covers Tmax XT Series, Tmax Series, Formula Series, and PV Molded Case Circuit Breakers, together with a comprehensive range of MCCB Accessories. With various frame sizes, breaking capacities, trip units, protection functions, and configuration options available, ABB molded case circuit breakers provide flexible solutions for a wide range of power distribution and electrical protection requirements.

MCCB Series

Tmax XT Series

High-performance molded case circuit breakers for power distribution, motor protection, and advanced protection applications.

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Tmax Series

Proven and reliable molded case circuit breakers for power distribution, motor protection, and isolation applications.

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Formula Series

Cost-effective molded case circuit breakers for standard industrial applications, including Formula A, ATM, DSP, BLD, and related products.

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PV Molded Case Circuit Breakers

Specialized molded case circuit breakers and switches for photovoltaic (PV) systems, including T4D/PV, T7D/PV, Tmax PV, and Ts3L Series.

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MCCB Accessories

A comprehensive range of accessories and spare parts for ABB molded case circuit breakers, including auxiliary contacts, control accessories, connection kits, and other related components.

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