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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BOLTON DUAL STRP KIT XT4 W/FLLR/KLPROV
Requires Quote
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

BOLTON DUAL STRP KIT XT4 W/FLLR
Requires Quote
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

BOLTON DUAL STRP KIT XT5 W/FLLR/KLPROV
Requires Quote
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

BOLTON DUAL STRP KIT XT5 W/FLLR
Requires Quote
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SPP XT7 UL 1000A NEUTRAL CT KIT
Requires Quote
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SPP XT7 UL 1200A NEUTRAL CT KIT
Requires Quote
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SPP XT5 UL 400A NEUTRAL CT KIT
Requires Quote
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SPP XT5 UL 600A NEUTRAL CT KIT
Requires Quote
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SPP XT7 UL 800A NEUTRAL CT KIT
Requires Quote
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SMISSLN MCB UL489 1P 2A K 10KA 240V

$105.49

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SMISSLN MCB UL489 1P 30A K 10KA 240

$105.49

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SMISSLN MCB UL489 1P 4A K 10KA 240V

$105.49

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SMISSL UL489 MCB,480Y/277VAC,10A,1P,K

$105.49

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SMISSL UL489 MCB,480Y/277VAC,13A,1P,K

$105.49

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SMISSL UL489 MCB,480Y/277VAC,15A,1P,K

$105.49

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SMISSL UL489 MCB,480Y/277VAC,16A,1P,K

$105.49

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SMISSL UL489 MCB,480Y/277VAC,20A,1P,K

$105.49

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SMISSL UL489 MCB,480Y/277VAC,25A,1P,K

$105.49

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SMISSL UL489 MCB,480Y/277VAC,3A,1P,K

$105.49

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SMISSL UL489 MCB,480Y/277VAC,30A,1P,K

$105.49

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SMISSL UL489 MCB,480Y/277VAC,4A,1P,K

$105.49

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SMISSL UL489 MCB,480Y/277VAC,5A,1P,K

$105.49

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SMISSL UL489 MCB,480Y/277VAC,6A,1P,K

$105.49

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SMISSL UL489 MCB,480Y/277VAC,8A,1P,K

$105.49

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

BOLTON DUAL STRP KIT XT4 W/FLLR/KLPROV
Requires Quote
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

BOLTON DUAL STRP KIT XT4 W/FLLR
Requires Quote
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

BOLTON DUAL STRP KIT XT5 W/FLLR/KLPROV
Requires Quote
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

BOLTON DUAL STRP KIT XT5 W/FLLR
Requires Quote
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SPP XT7 UL 1000A NEUTRAL CT KIT
Requires Quote
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SPP XT7 UL 1200A NEUTRAL CT KIT
Requires Quote
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SPP XT5 UL 400A NEUTRAL CT KIT
Requires Quote
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SPP XT5 UL 600A NEUTRAL CT KIT
Requires Quote
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SPP XT7 UL 800A NEUTRAL CT KIT
Requires Quote
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SMISSLN MCB UL489 1P 2A K 10KA 240V

$105.49

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SMISSLN MCB UL489 1P 30A K 10KA 240

$105.49

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SMISSLN MCB UL489 1P 4A K 10KA 240V

$105.49

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SMISSL UL489 MCB,480Y/277VAC,10A,1P,K

$105.49

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SMISSL UL489 MCB,480Y/277VAC,13A,1P,K

$105.49

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SMISSL UL489 MCB,480Y/277VAC,15A,1P,K

$105.49

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SMISSL UL489 MCB,480Y/277VAC,16A,1P,K

$105.49

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SMISSL UL489 MCB,480Y/277VAC,20A,1P,K

$105.49

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SMISSL UL489 MCB,480Y/277VAC,25A,1P,K

$105.49

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SMISSL UL489 MCB,480Y/277VAC,3A,1P,K

$105.49

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SMISSL UL489 MCB,480Y/277VAC,30A,1P,K

$105.49

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SMISSL UL489 MCB,480Y/277VAC,4A,1P,K

$105.49

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SMISSL UL489 MCB,480Y/277VAC,5A,1P,K

$105.49

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SMISSL UL489 MCB,480Y/277VAC,6A,1P,K

$105.49

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SMISSL UL489 MCB,480Y/277VAC,8A,1P,K

$105.49

Should ship between 14 Nov and 21 Nov

Subject to factory lead times