Molded Case Circuit Breakers - ABB

Molded case circuit breakers (MCCBs) protect higher-current circuits, typically 15 to 2,500 amps, in panelboards, switchboards and equipment.

MCCB Features

  • Thermal-magnetic trip units – standard protection
  • Electronic trip units – adjustable settings
  • High interrupting ratings – high fault currents
  • Accessories – shunt trips, auxiliaries and handles

Choosing an MCCB

Select frame size, current rating, interrupting rating and trip unit. Confirm lug sizes and mounting.

Centro supplies molded case circuit breakers.

Related categories: Circuit Protection | Circuit Breaker Enclosures | Circuit Protection Accessories | Circuit Monitoring | Disconnect Switches

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KIT FCCUAL 14-1/0AWG XT4 4PC UL/CSA

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KIT FCCUAL 14-1/0AWG XT4 8PC UL/CSA

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KIT FCCUAL 14-1/0AWG XT4 CT 3PC UL

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KIT FCCuAl 14-1/0AWG XT4 CT 4PC UL

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KIT FCCUAL 4-300AWG XT4 3PC UL/CSA

$29.56$99.90

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KIT FCCUAL 4-300AWG XT4 4PC UL/CSA

$39.30$132.83

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KIT FCCUAL 4-300AWG XT4 6PC UL/CSA

$60.02$202.86

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KIT FCCUAL 4-300AWG XT4 8PC UL/CSA

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KIT FCCUAL 4-300AWG XT4 CT 3PC UL

$29.56$99.90

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KIT FCCUAL 4-300AWG XT4 CT 4PC UL

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KIT FCCUAL 250-350KCMIL XT4 3PC UL

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KIT FCCUAL 250-350KCMIL XT4 4PC UL

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KIT FCCUAL 250-350KCMIL XT4 6PC UL

$60.02$202.86

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KIT FCCUAL 250-350KCMIL XT4 8PC UL

$80.83$273.17

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KIT DIN50022 XT4 PIA.DI FI.PRO.DI

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CT EXT NEUTRAL 100A XT4

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CT EXT NEUTRAL 160A XT4

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CT EXT NEUTRAL 250A XT4

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CT EXT NEUTRAL 40A XT4

$222.15$750.84

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Should ship between 13 Nov and 20 Nov

Subject to factory lead times

KIT FCCUAL 14-1/0AWG XT4 4PC UL/CSA

$40.92$138.32

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Should ship between 13 Nov and 20 Nov

Subject to factory lead times

KIT FCCUAL 14-1/0AWG XT4 8PC UL/CSA

$80.83$273.17

You save 70%
Should ship between 13 Nov and 20 Nov

Subject to factory lead times

KIT FCCUAL 14-1/0AWG XT4 CT 3PC UL

$104.57$353.46

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Should ship between 13 Nov and 20 Nov

Subject to factory lead times

KIT FCCuAl 14-1/0AWG XT4 CT 4PC UL

$126.01$425.91

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Should ship between 13 Nov and 20 Nov

Subject to factory lead times

KIT FCCUAL 4-300AWG XT4 3PC UL/CSA

$29.56$99.90

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Should ship between 13 Nov and 20 Nov

Subject to factory lead times

KIT FCCUAL 4-300AWG XT4 4PC UL/CSA

$39.30$132.83

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Should ship between 13 Nov and 20 Nov

Subject to factory lead times

KIT FCCUAL 4-300AWG XT4 6PC UL/CSA

$60.02$202.86

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Should ship between 13 Nov and 20 Nov

Subject to factory lead times

KIT FCCUAL 4-300AWG XT4 8PC UL/CSA

$80.83$273.17

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Should ship between 13 Nov and 20 Nov

Subject to factory lead times

KIT FCCUAL 4-300AWG XT4 CT 3PC UL

$29.56$99.90

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Should ship between 13 Nov and 20 Nov

Subject to factory lead times

KIT FCCUAL 4-300AWG XT4 CT 4PC UL

$39.30$132.83

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Should ship between 13 Nov and 20 Nov

Subject to factory lead times

KIT FCCUAL 250-350KCMIL XT4 3PC UL

$29.56$99.90

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Should ship between 13 Nov and 20 Nov

Subject to factory lead times

KIT FCCUAL 250-350KCMIL XT4 4PC UL

$39.30$132.83

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Should ship between 13 Nov and 20 Nov

Subject to factory lead times

KIT FCCUAL 250-350KCMIL XT4 6PC UL

$60.02$202.86

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Should ship between 13 Nov and 20 Nov

Subject to factory lead times

KIT FCCUAL 250-350KCMIL XT4 8PC UL

$80.83$273.17

You save 70%
Should ship between 13 Nov and 20 Nov

Subject to factory lead times

KIT FCCUAL3/0-350KCMIL XT4AUXV3PCUL

$29.56$99.90

You save 70%
Should ship between 13 Nov and 20 Nov

Subject to factory lead times

KIT FCCUAL3/0-350KCMIL XT4AUXV4PCUL

$39.30$132.83

You save 70%
Should ship between 13 Nov and 20 Nov

Subject to factory lead times

KIT DIN50022 XT4 PIA.DI FI.PRO.DI

$38.32$129.53

You save 70%
Should ship between 13 Nov and 20 Nov

Subject to factory lead times

KIT DIN50022 XT4 4P PL DIN

$36.38$122.94

You save 70%
Should ship between 13 Nov and 20 Nov

Subject to factory lead times

KIT XCONN.PREL.TEN.NEUT EXT XT4 F/P

$43.19$145.99

You save 70%
Should ship between 13 Nov and 20 Nov

Subject to factory lead times

KIT X CONN.PREL.TEN.NEUT EXT XT4 W

$53.59$181.12

You save 70%
Should ship between 13 Nov and 20 Nov

Subject to factory lead times

CT EXT NEUTRAL 100A XT4

$233.83$790.36

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Should ship between 13 Nov and 20 Nov

Subject to factory lead times

CT EXT NEUTRAL 160A XT4

$233.59$789.54

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Should ship between 13 Nov and 20 Nov

Subject to factory lead times

CT EXT NEUTRAL 250A XT4

$233.83$790.36

You save 70%
Should ship between 13 Nov and 20 Nov

Subject to factory lead times

CT EXT NEUTRAL 40A XT4

$222.15$750.84

You save 70%
Should ship between 13 Nov and 20 Nov

Subject to factory lead times