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Centro, Inc.Centro, Inc.
(800) 238-6672
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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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ABB KXT3ER-6PC - KIT R XT3 6 PIECES
ABB
ABB KXT3ER-6PC - KIT R XT3 6 PIECES
MPN:KXT3ER-6PC
KIT R XT3 6 PIECES

$141.93$479.70

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

Subject to factory lead times

ABB KXT3ERCB-4 - RC B TYPE X XT3 4P F
ABB
ABB KXT3ERCB-4 - RC B TYPE X XT3 4P F
MPN:KXT3ERCB-4
RC B TYPE X XT3 4P F

$2,295.13$7,757.61

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

Subject to factory lead times

ABB KXT3ERCINST-3 - RC INST X XT3 3P F
ABB
ABB KXT3ERCINST-3 - RC INST X XT3 3P F
MPN:KXT3ERCINST-3
RC INST X XT3 3P F

$1,372.14$4,637.88

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

Subject to factory lead times

ABB KXT3ERCINST-4 - RC INST X XT3 4P F
ABB
ABB KXT3ERCINST-4 - RC INST X XT3 4P F
MPN:KXT3ERCINST-4
RC INST X XT3 4P F

$1,475.42$4,986.95

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

Subject to factory lead times

ABB KXT3ERCSEL-3 - RC SEL X XT3 3P F
ABB
ABB KXT3ERCSEL-3 - RC SEL X XT3 3P F
MPN:KXT3ERCSEL-3
RC SEL X XT3 3P F

$1,524.78$5,153.81

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

Subject to factory lead times

ABB KXT3ERCSEL-4 - RC SEL X XT3 4P F
ABB
ABB KXT3ERCSEL-4 - RC SEL X XT3 4P F
MPN:KXT3ERCSEL-4
RC SEL X XT3 4P F

$1,639.42$5,541.30

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

Subject to factory lead times

ABB KXT3ERRC-4PC - KIT R X RC XT3 4 PIECES
ABB
ABB KXT3ERRC-4PC - KIT R X RC XT3 4 PIECES
MPN:KXT3ERRC-4PC
KIT R X RC XT3 4 PIECES

$183.50$620.21

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

Subject to factory lead times

ABB KXT3ES-3PC - KIT ES XT3 3 PIECES
ABB
ABB KXT3ES-3PC - KIT ES XT3 3 PIECES
MPN:KXT3ES-3PC
KIT ES XT3 3 PIECES

$60.73$205.28

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

Subject to factory lead times

ABB KXT3ES-4PC - KIT ES XT3 4 PIECES
ABB
ABB KXT3ES-4PC - KIT ES XT3 4 PIECES
MPN:KXT3ES-4PC
KIT ES XT3 4 PIECES

$80.87$273.34

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

Subject to factory lead times

ABB KXT3ES-6PC - KIT ES XT3 6 PIECES
ABB
ABB KXT3ES-6PC - KIT ES XT3 6 PIECES
MPN:KXT3ES-6PC
KIT ES XT3 6 PIECES

$125.70$424.82

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

Subject to factory lead times

ABB KXT3F-3PC - KIT F XT3 3 PIECES
ABB
ABB KXT3F-3PC - KIT F XT3 3 PIECES
MPN:KXT3F-3PC
KIT F XT3 3 PIECES

$21.43$72.45

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

Subject to factory lead times

ABB KXT3F-4PC - KIT F XT3 4 PIECES
ABB
ABB KXT3F-4PC - KIT F XT3 4 PIECES
MPN:KXT3F-4PC
KIT F XT3 4 PIECES

$25.00$84.52

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

Subject to factory lead times

ABB KXT3F-6PC - KIT F XT3 6 PIECES
ABB
ABB KXT3F-6PC - KIT F XT3 6 PIECES
MPN:KXT3F-6PC
KIT F XT3 6 PIECES

$37.03$125.14

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

Subject to factory lead times

ABB KXT3HTC-3 - HTC XT3 3P TERM CVR HIGH 2PCS
ABB
ABB KXT3HTC-3 - HTC XT3 3P TERM CVR HIGH 2PCS
MPN:KXT3HTC-3
HTC XT3 3P TERM CVR HIGH 2PCS

$39.62$133.92

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

Subject to factory lead times

ABB KXT3HTC-4 - HTC XT3 4P TERM CVR HIGH 2PCS
ABB
ABB KXT3HTC-4 - HTC XT3 4P TERM CVR HIGH 2PCS
MPN:KXT3HTC-4
HTC XT3 4P TERM CVR HIGH 2PCS

$52.62$177.83

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

Subject to factory lead times

ABB KXT3KLCCBA - KLC XT3 KEY LK RONIS ON CB TYPE A
ABB
ABB KXT3KLCCBA - KLC XT3 KEY LK RONIS ON CB TYPE A
MPN:KXT3KLCCBA
KLC XT3 KEY LK RONIS ON CB TYPE A

$74.05$250.28

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

Subject to factory lead times

ABB KXT3KLCCBB - KLC XT3 KEY LK RONIS ON CB TYPE B
ABB
ABB KXT3KLCCBB - KLC XT3 KEY LK RONIS ON CB TYPE B
MPN:KXT3KLCCBB
KLC XT3 KEY LK RONIS ON CB TYPE B

$65.29$220.65

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

Subject to factory lead times

ABB KXT3KLCCBC - KLC XT3 KEY LK RONIS ON CB TYPE C
ABB
ABB KXT3KLCCBC - KLC XT3 KEY LK RONIS ON CB TYPE C
MPN:KXT3KLCCBC
KLC XT3 KEY LK RONIS ON CB TYPE C

$65.29$220.65

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

Subject to factory lead times

ABB KXT3KLCCBD - KLC XT3 KEY LK RONIS ON CB TYPE D
ABB
ABB KXT3KLCCBD - KLC XT3 KEY LK RONIS ON CB TYPE D
MPN:KXT3KLCCBD
KLC XT3 KEY LK RONIS ON CB TYPE D

$65.29$220.65

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

Subject to factory lead times

ABB KXT3KLCCBDIF - KLC XT3 KEY LK RONIS ON CB DIFF
ABB
ABB KXT3KLCCBDIF - KLC XT3 KEY LK RONIS ON CB DIFF
MPN:KXT3KLCCBDIF
KLC XT3 KEY LK RONIS ON CB DIFF

$65.29$220.65

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

Subject to factory lead times

ABB KXT3KLCCBOPCL - KLC XT3 KEY LK RON ON CB DIFF OP/CL
ABB
ABB KXT3KLCCBOPCL - KLC XT3 KEY LK RON ON CB DIFF OP/CL
MPN:KXT3KLCCBOPCL
KLC XT3 KEY LK RON ON CB DIFF OP/CL

$65.29$220.65

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

Subject to factory lead times

ABB KXT3LTC-3 - LTC XT3 3P TERMINAL COVERS LOW 2PCS
ABB
ABB KXT3LTC-3 - LTC XT3 3P TERMINAL COVERS LOW 2PCS
MPN:KXT3LTC-3
LTC XT3 3P TERMINAL COVERS LOW 2PCS

$37.67$127.33

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

Subject to factory lead times

ABB KXT3LTC-4 - LTC XT3 4P TERMINAL COVERS LOW 2PCS
ABB
ABB KXT3LTC-4 - LTC XT3 4P TERMINAL COVERS LOW 2PCS
MPN:KXT3LTC-4
LTC XT3 4P TERMINAL COVERS LOW 2PCS

$50.02$169.05

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

Subject to factory lead times

ABB KXT3MC-3PC - KIT MC CU 6X12-2 AWG XT3 3PC UL/CSA
ABB
ABB KXT3MC-3PC - KIT MC CU 6X12-2 AWG XT3 3PC UL/CSA
MPN:KXT3MC-3PC
KIT MC CU 6X12-2 AWG XT3 3PC UL/CSA

$192.91$652.05

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

Subject to factory lead times

ABB KXT3ER-6PC - KIT R XT3 6 PIECES
ABB
ABB KXT3ER-6PC - KIT R XT3 6 PIECES
MPN:KXT3ER-6PC
KIT R XT3 6 PIECES

$141.93$479.70

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

Subject to factory lead times

ABB KXT3ERCB-4 - RC B TYPE X XT3 4P F
ABB
ABB KXT3ERCB-4 - RC B TYPE X XT3 4P F
MPN:KXT3ERCB-4
RC B TYPE X XT3 4P F

$2,295.13$7,757.61

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

Subject to factory lead times

ABB KXT3ERCINST-3 - RC INST X XT3 3P F
ABB
ABB KXT3ERCINST-3 - RC INST X XT3 3P F
MPN:KXT3ERCINST-3
RC INST X XT3 3P F

$1,372.14$4,637.88

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

Subject to factory lead times

ABB KXT3ERCINST-4 - RC INST X XT3 4P F
ABB
ABB KXT3ERCINST-4 - RC INST X XT3 4P F
MPN:KXT3ERCINST-4
RC INST X XT3 4P F

$1,475.42$4,986.95

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

Subject to factory lead times

ABB KXT3ERCSEL-3 - RC SEL X XT3 3P F
ABB
ABB KXT3ERCSEL-3 - RC SEL X XT3 3P F
MPN:KXT3ERCSEL-3
RC SEL X XT3 3P F

$1,524.78$5,153.81

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

Subject to factory lead times

ABB KXT3ERCSEL-4 - RC SEL X XT3 4P F
ABB
ABB KXT3ERCSEL-4 - RC SEL X XT3 4P F
MPN:KXT3ERCSEL-4
RC SEL X XT3 4P F

$1,639.42$5,541.30

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

Subject to factory lead times

ABB KXT3ERRC-4PC - KIT R X RC XT3 4 PIECES
ABB
ABB KXT3ERRC-4PC - KIT R X RC XT3 4 PIECES
MPN:KXT3ERRC-4PC
KIT R X RC XT3 4 PIECES

$183.50$620.21

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

Subject to factory lead times

ABB KXT3ES-3PC - KIT ES XT3 3 PIECES
ABB
ABB KXT3ES-3PC - KIT ES XT3 3 PIECES
MPN:KXT3ES-3PC
KIT ES XT3 3 PIECES

$60.73$205.28

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

Subject to factory lead times

ABB KXT3ES-4PC - KIT ES XT3 4 PIECES
ABB
ABB KXT3ES-4PC - KIT ES XT3 4 PIECES
MPN:KXT3ES-4PC
KIT ES XT3 4 PIECES

$80.87$273.34

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

Subject to factory lead times

ABB KXT3ES-6PC - KIT ES XT3 6 PIECES
ABB
ABB KXT3ES-6PC - KIT ES XT3 6 PIECES
MPN:KXT3ES-6PC
KIT ES XT3 6 PIECES

$125.70$424.82

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

Subject to factory lead times

ABB KXT3F-3PC - KIT F XT3 3 PIECES
ABB
ABB KXT3F-3PC - KIT F XT3 3 PIECES
MPN:KXT3F-3PC
KIT F XT3 3 PIECES

$21.43$72.45

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

Subject to factory lead times

ABB KXT3F-4PC - KIT F XT3 4 PIECES
ABB
ABB KXT3F-4PC - KIT F XT3 4 PIECES
MPN:KXT3F-4PC
KIT F XT3 4 PIECES

$25.00$84.52

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

Subject to factory lead times

ABB KXT3F-6PC - KIT F XT3 6 PIECES
ABB
ABB KXT3F-6PC - KIT F XT3 6 PIECES
MPN:KXT3F-6PC
KIT F XT3 6 PIECES

$37.03$125.14

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

Subject to factory lead times

ABB KXT3HTC-3 - HTC XT3 3P TERM CVR HIGH 2PCS
ABB
ABB KXT3HTC-3 - HTC XT3 3P TERM CVR HIGH 2PCS
MPN:KXT3HTC-3
HTC XT3 3P TERM CVR HIGH 2PCS

$39.62$133.92

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

Subject to factory lead times

ABB KXT3HTC-4 - HTC XT3 4P TERM CVR HIGH 2PCS
ABB
ABB KXT3HTC-4 - HTC XT3 4P TERM CVR HIGH 2PCS
MPN:KXT3HTC-4
HTC XT3 4P TERM CVR HIGH 2PCS

$52.62$177.83

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

Subject to factory lead times

ABB KXT3KLCCBA - KLC XT3 KEY LK RONIS ON CB TYPE A
ABB
ABB KXT3KLCCBA - KLC XT3 KEY LK RONIS ON CB TYPE A
MPN:KXT3KLCCBA
KLC XT3 KEY LK RONIS ON CB TYPE A

$74.05$250.28

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

Subject to factory lead times

ABB KXT3KLCCBB - KLC XT3 KEY LK RONIS ON CB TYPE B
ABB
ABB KXT3KLCCBB - KLC XT3 KEY LK RONIS ON CB TYPE B
MPN:KXT3KLCCBB
KLC XT3 KEY LK RONIS ON CB TYPE B

$65.29$220.65

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

Subject to factory lead times

ABB KXT3KLCCBC - KLC XT3 KEY LK RONIS ON CB TYPE C
ABB
ABB KXT3KLCCBC - KLC XT3 KEY LK RONIS ON CB TYPE C
MPN:KXT3KLCCBC
KLC XT3 KEY LK RONIS ON CB TYPE C

$65.29$220.65

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

Subject to factory lead times

ABB KXT3KLCCBD - KLC XT3 KEY LK RONIS ON CB TYPE D
ABB
ABB KXT3KLCCBD - KLC XT3 KEY LK RONIS ON CB TYPE D
MPN:KXT3KLCCBD
KLC XT3 KEY LK RONIS ON CB TYPE D

$65.29$220.65

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

Subject to factory lead times

ABB KXT3KLCCBDIF - KLC XT3 KEY LK RONIS ON CB DIFF
ABB
ABB KXT3KLCCBDIF - KLC XT3 KEY LK RONIS ON CB DIFF
MPN:KXT3KLCCBDIF
KLC XT3 KEY LK RONIS ON CB DIFF

$65.29$220.65

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

Subject to factory lead times

ABB KXT3KLCCBOPCL - KLC XT3 KEY LK RON ON CB DIFF OP/CL
ABB
ABB KXT3KLCCBOPCL - KLC XT3 KEY LK RON ON CB DIFF OP/CL
MPN:KXT3KLCCBOPCL
KLC XT3 KEY LK RON ON CB DIFF OP/CL

$65.29$220.65

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

Subject to factory lead times

ABB KXT3LTC-3 - LTC XT3 3P TERMINAL COVERS LOW 2PCS
ABB
ABB KXT3LTC-3 - LTC XT3 3P TERMINAL COVERS LOW 2PCS
MPN:KXT3LTC-3
LTC XT3 3P TERMINAL COVERS LOW 2PCS

$37.67$127.33

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

Subject to factory lead times

ABB KXT3LTC-4 - LTC XT3 4P TERMINAL COVERS LOW 2PCS
ABB
ABB KXT3LTC-4 - LTC XT3 4P TERMINAL COVERS LOW 2PCS
MPN:KXT3LTC-4
LTC XT3 4P TERMINAL COVERS LOW 2PCS

$50.02$169.05

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

Subject to factory lead times

ABB KXT3MC-3PC - KIT MC CU 6X12-2 AWG XT3 3PC UL/CSA
ABB
ABB KXT3MC-3PC - KIT MC CU 6X12-2 AWG XT3 3PC UL/CSA
MPN:KXT3MC-3PC
KIT MC CU 6X12-2 AWG XT3 3PC UL/CSA

$192.91$652.05

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

Subject to factory lead times