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Circuit Breakers - Molded Case Circuit Breakers
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Molded Case Circuit Breakers

Molded case circuit breakers, or MCCBs, are electrical protection devices used to protect the electrical circuit from excessive current, which can cause overloads or short circuits. Molded case... More

Molded case circuit breakers, or MCCBs, are electrical protection devices used to protect the electrical circuit from excessive current, which can cause overloads or short circuits. Molded case circuit breakers can be used for a wide range of voltages and frequencies with adjustable trip settings. The MCCB uses a temperature sensitive device (the thermal element) with a current sensitive electromagnetic device (the magnetic element) to provide the trip mechanism for protection and isolation. In addition to tripping mechanisms, MCCBs can also be used as manual disconnection switches in case of emergency or maintenance operations.

 

ABB offers an expansive offering of Molded case circuit breakers for your projects from brands like SACE® Tmax®, TEY Lighting Panel Circuit Breakers, Thermal Magnetic and ProLine.

Molded Case Circuit Breakers
SACE Tmax XT  series of Moulded Case Circuit Breakers
Tmax XT - ABB's newest line of MCCBs are available up to 1600A; globally certified UL/CSA/IEC
SACE Formula
ABB‘s SACE® FORMULA molded case circuit breaker line offers simplicity and quality in some of the smallest dimensions available.
Record Plus - Molded Case Circuit Breakers
FB100, available up to 600A with interruption capacities up to 200kAIC.
Lighting Panel Circuit Breakers - GE TEY
15-125A; Designed for use in lighting panel applications. Internal accessories and mounting bases make them suited for individual mounting as well.
Tmax T
SACE® Tmax® T - A complete range of molded case circuit-breakers up to 3200 A. All the circuit-breakers, both three-pole and four-pole, are available in fixed versions.
Thermal Magnetic MCCB GE
15 to 150A. Our industrial thermal-magnetic E150 breakers provide a proven, cost-effective solution.
Proline circuit breakers
The ProLine Circuit Breaker is the industry's first UL approved current limiting breaker to be used in a panelboard application.
Tmax Retrofit Kits
SACE® Tmax®XT Retrofit Kit for Spectra Bolt-On Panelboards

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