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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CONN PLUG-SOCK. SWITC 3PIN XT1..XT4

$34.43$116.36

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

CONN PLUG-SOCK. SWITC 6PIN XT1..XT4

$46.76$158.07

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

CONN PLUG-SOCK. SWITC 9PIN XT1..XT4

$60.73$205.28

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ANTI-ADJUST SEAL RELEASES XT1..XT4

$23.38$79.03

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

PB 90MM FP 4PCS XT1..XT4 3P

$21.11$71.35

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

PB 90MM FP 6PCS XT1..XT4 4P

$31.83$107.57

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

RCQ020/A RELAY 115-230VAC NO TOR

$526.86$1,780.78

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

RCQ020/A RELAY 415VAC NO TOR

$526.86$1,780.78

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

RHE XT1-XT4 IP54 ROT.HANDLE PROT

$43.53$147.09

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SCREWS SEAL XT1..XT4 2PCS

$42.22$142.71

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

EM LH XT1...XT4 EMER. RETURNED

$159.14$537.88

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

LH XT1...XT4 STAND. RETURNED

$159.14$537.88

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

MIR-HR XT1..XT4 MECH INTRLK HOR 2CB

$281.57$951.73

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

MIR-VR XT1..XT4 MECH INTRLK VER 2CB

$543.99$1,838.69

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

XT-XT4,T5 F HDL N1,3R,12,4

$394.27$1,332.64

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

FLANGE HANDLE ONLY, XT1...XT4, T5, T6 4X

$433.56$1,465.46

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

RHE NFPA HANDLE

$153.95$520.32

You save 70%
Should ship between 14 Nov and 21 Nov

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RHE_H XT1..XT4 EM HNDL EXT ROT HNDL

$58.14$196.50

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

RHE_H XT1..XT4 HANDLE EXT ROT HNDL

$58.14$196.50

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

RHE_S XT1..XT4 500MM SHFT EXT ROT H

$21.77$73.55

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

RHL XT1..XT4 KEY LK RONIS TYPE A

$40.61$137.21

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

RHL XT1..XT4 KEY LK RONIS TYPE B

$40.61$137.21

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

RHL XT1..XT4 KEY LK RONIS TYPE C

$40.61$137.21

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

RHL XT1..XT4 KEY LK RONIS TYPE D

$40.61$137.21

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

CONN PLUG-SOCK. SWITC 3PIN XT1..XT4

$34.43$116.36

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

CONN PLUG-SOCK. SWITC 6PIN XT1..XT4

$46.76$158.07

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

CONN PLUG-SOCK. SWITC 9PIN XT1..XT4

$60.73$205.28

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ANTI-ADJUST SEAL RELEASES XT1..XT4

$23.38$79.03

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

PB 90MM FP 4PCS XT1..XT4 3P

$21.11$71.35

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

PB 90MM FP 6PCS XT1..XT4 4P

$31.83$107.57

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

RCQ020/A RELAY 115-230VAC NO TOR

$526.86$1,780.78

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

RCQ020/A RELAY 415VAC NO TOR

$526.86$1,780.78

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

RHE XT1-XT4 IP54 ROT.HANDLE PROT

$43.53$147.09

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

SCREWS SEAL XT1..XT4 2PCS

$42.22$142.71

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

EM LH XT1...XT4 EMER. RETURNED

$159.14$537.88

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

LH XT1...XT4 STAND. RETURNED

$159.14$537.88

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

MIR-HR XT1..XT4 MECH INTRLK HOR 2CB

$281.57$951.73

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

MIR-VR XT1..XT4 MECH INTRLK VER 2CB

$543.99$1,838.69

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

XT-XT4,T5 F HDL N1,3R,12,4

$394.27$1,332.64

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

FLANGE HANDLE ONLY, XT1...XT4, T5, T6 4X

$433.56$1,465.46

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

RHE NFPA HANDLE

$153.95$520.32

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

RHE_H XT1..XT4 EM HNDL EXT ROT HNDL

$58.14$196.50

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

RHE_H XT1..XT4 HANDLE EXT ROT HNDL

$58.14$196.50

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

RHE_S XT1..XT4 500MM SHFT EXT ROT H

$21.77$73.55

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

RHL XT1..XT4 KEY LK RONIS TYPE A

$40.61$137.21

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

RHL XT1..XT4 KEY LK RONIS TYPE B

$40.61$137.21

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

RHL XT1..XT4 KEY LK RONIS TYPE C

$40.61$137.21

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

RHL XT1..XT4 KEY LK RONIS TYPE D

$40.61$137.21

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times