Molded case circuit breakers (MCCBs) are UL 489-approved circuit breakers whose current-carrying parts, mechanisms and trip devices are all completely contained within a molded case of insulating material. MCCBs are available in various frame sizes with various interrupting ratings for each frame size. MCCBs are one of the two basic low voltage classes of circuit breakers.
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Molded case circuit breakers (MCCBs) are UL 489-approved circuit breakers whose current-carrying parts, mechanisms and trip devices are all completely contained within a molded case of insulating material. MCCBs are available in various frame sizes with various interrupting ratings for each frame size. MCCBs are one of the two basic low voltage classes of circuit breakers.
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NCR office:
Unit 914 Emar Suites, 409 Shaw Blvd., Brgy. Additionhills, Mandaluyong City, Metro Manila
Region IV-A office:
148 Aguinaldo Highway., Brgy. Maitim 2nd East, Tagaytay City, Cavite
Region XII office:
Lourdes Street, Poblacion, Koronadal City, South Cotabato