ABB Circuit Breaker Bases & Accessories
ABB Circuit Breaker Accessories are components used to enhance the functionality or control of ABB circuit breakers, providing features such as auxiliary contacts, signaling, shunt trips and manual operation. Accessories enable remote monitoring, visual indication and integration into control systems, making them essential for modern safety, automation and maintenance applications in electrical and power distribution systems. ABB's accessory portfolio includes accessories for molded case circuit breakers (MCCB), mini circuit breakers (MCB), air circuit breakers and miniature supplementary protectors.
ABB Circuit Breaker Accessories are add-on products used with ABB circuit breakers. They allow circuit breakers to be controlled remotely, provide auxiliary signaling, indicate the operational state or expand their protection functions. They are installed directly on or within ABB MCCBs or MCBs and are fully rated for use with ABB breakers. Examples include auxiliary switches, alarm switches, bell annunciator contacts, shunt trip releases, undervoltage trip releases, rotary handle mechanisms, terminal covers, motor operators and communication interfaces (Modbus, PROFIBUS). ABB circuit breaker accessories are widely employed in control panels, switchboards, motor control centers, machinery starters, building power panels, switchgear and distribution boards to add safety, signaling, feedback and extra protection. Accessories conform to ABB compatibility requirements and electrical ratings.
FAQs
What are ABB circuit breaker accessories used for?
ABB circuit breaker accessories are used to add functionality such as remote tripping, status indication, alarm signaling, and motorized operation to circuit breakers. They help improve safety, control, and system monitoring in electrical distribution systems.
What types of circuit breaker accessories does ABB offer?
ABB offers auxiliary and alarm contacts, shunt trip devices, undervoltage releases, motor operators, rotary handles, communication modules, and locking mechanisms designed to work with ABB circuit breakers.
What is a shunt trip accessory used for?
A shunt trip accessory allows a circuit breaker to be tripped remotely by an external electrical signal. It is commonly used for emergency stop systems, fire alarm integration, and automated shutdown applications.
What is the purpose of an undervoltage release?
An undervoltage release trips the circuit breaker when supply voltage drops below a set level, preventing automatic restart when power returns and protecting equipment from unsafe operating conditions.
Are ABB circuit breaker accessories compatible with automation and control systems?
Yes, many ABB circuit breaker accessories are designed to integrate with PLCs, SCADA systems, and building management systems, enabling remote monitoring, control, and fault signaling within automated electrical systems.