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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 KXT4ER-4PC - KIT R XT4 4 PIECES
ABB
ABB KXT4ER-4PC - KIT R XT4 4 PIECES
MPN:KXT4ER-4PC
KIT R XT4 4 PIECES

$98.73$333.71

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

Subject to factory lead times

ABB KXT4ER-6PC - KIT R XT4 6 PIECES
ABB
ABB KXT4ER-6PC - KIT R XT4 6 PIECES
MPN:KXT4ER-6PC
KIT R XT4 6 PIECES

$148.11$500.57

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

Subject to factory lead times

ABB KXT4ER-8PC - KIT R XT4 8 PIECES
ABB
ABB KXT4ER-8PC - KIT R XT4 8 PIECES
MPN:KXT4ER-8PC
KIT R XT4 8 PIECES

$196.48$664.12

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

Subject to factory lead times

ABB KXT4ERCSEL-4 - RC SEL X XT4 4P F
ABB
ABB KXT4ERCSEL-4 - RC SEL X XT4 4P F
MPN:KXT4ERCSEL-4
RC SEL X XT4 4P F

$1,829.41$6,183.47

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

Subject to factory lead times

ABB KXT4ES-3PC - KIT ES XT4 3 PIECES
ABB
ABB KXT4ES-3PC - KIT ES XT4 3 PIECES
MPN:KXT4ES-3PC
KIT ES XT4 3 PIECES

$91.59$309.56

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

Subject to factory lead times

ABB KXT4ES-4PC - KIT ES XT4 4 PIECES
ABB
ABB KXT4ES-4PC - KIT ES XT4 4 PIECES
MPN:KXT4ES-4PC
KIT ES XT4 4 PIECES

$107.17$362.25

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

Subject to factory lead times

ABB KXT4EWFPHR-3 - XT4 W FP 3P HR
ABB
ABB KXT4EWFPHR-3 - XT4 W FP 3P HR
MPN:KXT4EWFPHR-3
XT4 W FP 3P HR

$426.42$1,441.31

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

Subject to factory lead times

ABB KXT4EWFPHR-4 - XT4 W FP 4P HR
ABB
ABB KXT4EWFPHR-4 - XT4 W FP 4P HR
MPN:KXT4EWFPHR-4
XT4 W FP 4P HR

$515.73$1,743.18

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

Subject to factory lead times

ABB KXT4EWMPRC-4 - KIT W MP RC XT4 4P
ABB
ABB KXT4EWMPRC-4 - KIT W MP RC XT4 4P
MPN:KXT4EWMPRC-4
KIT W MP RC XT4 4P

$344.59$1,164.68

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

Subject to factory lead times

ABB KXT4F-3PC - KIT F XT4 3 PIECES
ABB
ABB KXT4F-3PC - KIT F XT4 3 PIECES
MPN:KXT4F-3PC
KIT F XT4 3 PIECES

$23.07$77.94

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

Subject to factory lead times

ABB KXT4F-4PC - KIT F XT4 4 PIECES
ABB
ABB KXT4F-4PC - KIT F XT4 4 PIECES
MPN:KXT4F-4PC
KIT F XT4 4 PIECES

$26.64$90.02

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

Subject to factory lead times

ABB KXT4F-6PC - KIT F XT4 6 PIECES
ABB
ABB KXT4F-6PC - KIT F XT4 6 PIECES
MPN:KXT4F-6PC
KIT F XT4 6 PIECES

$40.61$137.21

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

Subject to factory lead times

ABB KXT4FPPTOFPW - KIT FP XT4 TO FP XT4 W
ABB
ABB KXT4FPPTOFPW - KIT FP XT4 TO FP XT4 W
MPN:KXT4FPPTOFPW
KIT FP XT4 TO FP XT4 W

$166.93$564.23

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

Subject to factory lead times

ABB KXT4HTC-3 - HTC XT4 3P TERM CVR HIGH 2PCS
ABB
ABB KXT4HTC-3 - HTC XT4 3P TERM CVR HIGH 2PCS
MPN:KXT4HTC-3
HTC XT4 3P TERM CVR HIGH 2PCS

$43.53$147.09

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

Subject to factory lead times

ABB KXT4HTC-4 - HTC XT4 4P TERM CVR HIGH 2PCS
ABB
ABB KXT4HTC-4 - HTC XT4 4P TERM CVR HIGH 2PCS
MPN:KXT4HTC-4
HTC XT4 4P TERM CVR HIGH 2PCS

$57.81$195.39

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

Subject to factory lead times

ABB KXT4LTC-3 - LTC XT4 3P TERMINAL COVERS LOW 2PCS
ABB
ABB KXT4LTC-3 - LTC XT4 3P TERMINAL COVERS LOW 2PCS
MPN:KXT4LTC-3
LTC XT4 3P TERMINAL COVERS LOW 2PCS

$41.57$140.51

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

Subject to factory lead times

ABB KXT4LTC-4 - LTC XT4 4P TERMINAL COVERS LOW 2PCS
ABB
ABB KXT4LTC-4 - LTC XT4 4P TERMINAL COVERS LOW 2PCS
MPN:KXT4LTC-4
LTC XT4 4P TERMINAL COVERS LOW 2PCS

$54.89$185.51

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

Subject to factory lead times

ABB KXT4MC-3PC - KIT MC CU 6X12-2 AWG XT4 3PC UL/CSA
ABB
ABB KXT4MC-3PC - KIT MC CU 6X12-2 AWG XT4 3PC UL/CSA
MPN:KXT4MC-3PC
KIT MC CU 6X12-2 AWG XT4 3PC UL/CSA

$198.77$671.81

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

Subject to factory lead times

ABB KXT4MC-4PC - KIT MC CU 6X12-2 AWG XT4 4PC UL/CSA
ABB
ABB KXT4MC-4PC - KIT MC CU 6X12-2 AWG XT4 4PC UL/CSA
MPN:KXT4MC-4PC
KIT MC CU 6X12-2 AWG XT4 4PC UL/CSA

$264.37$893.55

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

Subject to factory lead times

ABB KXT4MC-6PC - KIT MC CU 6X12-2 AWG XT4 6PC UL/CSA
ABB
ABB KXT4MC-6PC - KIT MC CU 6X12-2 AWG XT4 6PC UL/CSA
MPN:KXT4MC-6PC
KIT MC CU 6X12-2 AWG XT4 6PC UL/CSA

$231.88$783.77

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

Subject to factory lead times

ABB KXT4MC-8PC - KIT MC CU 6X12-2 AWG XT4 8PC UL/CSA
ABB
ABB KXT4MC-8PC - KIT MC CU 6X12-2 AWG XT4 8PC UL/CSA
MPN:KXT4MC-8PC
KIT MC CU 6X12-2 AWG XT4 8PC UL/CSA

$309.29$1,045.41

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

Subject to factory lead times

ABB KXT4MIRFXT5 - MIR-P XT4 F x MIR-H/V XT5
ABB
ABB KXT4MIRFXT5 - MIR-P XT4 F x MIR-H/V XT5
MPN:KXT4MIRFXT5
MIR-P XT4 F x MIR-H/V XT5

$86.71$293.10

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

Subject to factory lead times

ABB KXT4MIRPLF - MIR-P PLATE X XT4 F
ABB
ABB KXT4MIRPLF - MIR-P PLATE X XT4 F
MPN:KXT4MIRPLF
MIR-P PLATE X XT4 F

$81.84$276.62

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

Subject to factory lead times

ABB KXT4MIRPLPW - MIR-P PLATE X XT4 P/W
ABB
ABB KXT4MIRPLPW - MIR-P PLATE X XT4 P/W
MPN:KXT4MIRPLPW
MIR-P PLATE X XT4 P/W

$81.84$276.62

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

Subject to factory lead times

ABB KXT4ER-4PC - KIT R XT4 4 PIECES
ABB
ABB KXT4ER-4PC - KIT R XT4 4 PIECES
MPN:KXT4ER-4PC
KIT R XT4 4 PIECES

$98.73$333.71

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

Subject to factory lead times

ABB KXT4ER-6PC - KIT R XT4 6 PIECES
ABB
ABB KXT4ER-6PC - KIT R XT4 6 PIECES
MPN:KXT4ER-6PC
KIT R XT4 6 PIECES

$148.11$500.57

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

Subject to factory lead times

ABB KXT4ER-8PC - KIT R XT4 8 PIECES
ABB
ABB KXT4ER-8PC - KIT R XT4 8 PIECES
MPN:KXT4ER-8PC
KIT R XT4 8 PIECES

$196.48$664.12

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

Subject to factory lead times

ABB KXT4ERCSEL-4 - RC SEL X XT4 4P F
ABB
ABB KXT4ERCSEL-4 - RC SEL X XT4 4P F
MPN:KXT4ERCSEL-4
RC SEL X XT4 4P F

$1,829.41$6,183.47

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

Subject to factory lead times

ABB KXT4ES-3PC - KIT ES XT4 3 PIECES
ABB
ABB KXT4ES-3PC - KIT ES XT4 3 PIECES
MPN:KXT4ES-3PC
KIT ES XT4 3 PIECES

$91.59$309.56

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

Subject to factory lead times

ABB KXT4ES-4PC - KIT ES XT4 4 PIECES
ABB
ABB KXT4ES-4PC - KIT ES XT4 4 PIECES
MPN:KXT4ES-4PC
KIT ES XT4 4 PIECES

$107.17$362.25

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

Subject to factory lead times

ABB KXT4EWFPHR-3 - XT4 W FP 3P HR
ABB
ABB KXT4EWFPHR-3 - XT4 W FP 3P HR
MPN:KXT4EWFPHR-3
XT4 W FP 3P HR

$426.42$1,441.31

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

Subject to factory lead times

ABB KXT4EWFPHR-4 - XT4 W FP 4P HR
ABB
ABB KXT4EWFPHR-4 - XT4 W FP 4P HR
MPN:KXT4EWFPHR-4
XT4 W FP 4P HR

$515.73$1,743.18

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

Subject to factory lead times

ABB KXT4EWMPRC-4 - KIT W MP RC XT4 4P
ABB
ABB KXT4EWMPRC-4 - KIT W MP RC XT4 4P
MPN:KXT4EWMPRC-4
KIT W MP RC XT4 4P

$344.59$1,164.68

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

Subject to factory lead times

ABB KXT4F-3PC - KIT F XT4 3 PIECES
ABB
ABB KXT4F-3PC - KIT F XT4 3 PIECES
MPN:KXT4F-3PC
KIT F XT4 3 PIECES

$23.07$77.94

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

Subject to factory lead times

ABB KXT4F-4PC - KIT F XT4 4 PIECES
ABB
ABB KXT4F-4PC - KIT F XT4 4 PIECES
MPN:KXT4F-4PC
KIT F XT4 4 PIECES

$26.64$90.02

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

Subject to factory lead times

ABB KXT4F-6PC - KIT F XT4 6 PIECES
ABB
ABB KXT4F-6PC - KIT F XT4 6 PIECES
MPN:KXT4F-6PC
KIT F XT4 6 PIECES

$40.61$137.21

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

Subject to factory lead times

ABB KXT4FPPTOFPW - KIT FP XT4 TO FP XT4 W
ABB
ABB KXT4FPPTOFPW - KIT FP XT4 TO FP XT4 W
MPN:KXT4FPPTOFPW
KIT FP XT4 TO FP XT4 W

$166.93$564.23

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

Subject to factory lead times

ABB KXT4HTC-3 - HTC XT4 3P TERM CVR HIGH 2PCS
ABB
ABB KXT4HTC-3 - HTC XT4 3P TERM CVR HIGH 2PCS
MPN:KXT4HTC-3
HTC XT4 3P TERM CVR HIGH 2PCS

$43.53$147.09

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

Subject to factory lead times

ABB KXT4HTC-4 - HTC XT4 4P TERM CVR HIGH 2PCS
ABB
ABB KXT4HTC-4 - HTC XT4 4P TERM CVR HIGH 2PCS
MPN:KXT4HTC-4
HTC XT4 4P TERM CVR HIGH 2PCS

$57.81$195.39

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

Subject to factory lead times

ABB KXT4LTC-3 - LTC XT4 3P TERMINAL COVERS LOW 2PCS
ABB
ABB KXT4LTC-3 - LTC XT4 3P TERMINAL COVERS LOW 2PCS
MPN:KXT4LTC-3
LTC XT4 3P TERMINAL COVERS LOW 2PCS

$41.57$140.51

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

Subject to factory lead times

ABB KXT4LTC-4 - LTC XT4 4P TERMINAL COVERS LOW 2PCS
ABB
ABB KXT4LTC-4 - LTC XT4 4P TERMINAL COVERS LOW 2PCS
MPN:KXT4LTC-4
LTC XT4 4P TERMINAL COVERS LOW 2PCS

$54.89$185.51

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

Subject to factory lead times

ABB KXT4MC-3PC - KIT MC CU 6X12-2 AWG XT4 3PC UL/CSA
ABB
ABB KXT4MC-3PC - KIT MC CU 6X12-2 AWG XT4 3PC UL/CSA
MPN:KXT4MC-3PC
KIT MC CU 6X12-2 AWG XT4 3PC UL/CSA

$198.77$671.81

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

Subject to factory lead times

ABB KXT4MC-4PC - KIT MC CU 6X12-2 AWG XT4 4PC UL/CSA
ABB
ABB KXT4MC-4PC - KIT MC CU 6X12-2 AWG XT4 4PC UL/CSA
MPN:KXT4MC-4PC
KIT MC CU 6X12-2 AWG XT4 4PC UL/CSA

$264.37$893.55

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

Subject to factory lead times

ABB KXT4MC-6PC - KIT MC CU 6X12-2 AWG XT4 6PC UL/CSA
ABB
ABB KXT4MC-6PC - KIT MC CU 6X12-2 AWG XT4 6PC UL/CSA
MPN:KXT4MC-6PC
KIT MC CU 6X12-2 AWG XT4 6PC UL/CSA

$231.88$783.77

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

Subject to factory lead times

ABB KXT4MC-8PC - KIT MC CU 6X12-2 AWG XT4 8PC UL/CSA
ABB
ABB KXT4MC-8PC - KIT MC CU 6X12-2 AWG XT4 8PC UL/CSA
MPN:KXT4MC-8PC
KIT MC CU 6X12-2 AWG XT4 8PC UL/CSA

$309.29$1,045.41

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

Subject to factory lead times

ABB KXT4MIRFXT5 - MIR-P XT4 F x MIR-H/V XT5
ABB
ABB KXT4MIRFXT5 - MIR-P XT4 F x MIR-H/V XT5
MPN:KXT4MIRFXT5
MIR-P XT4 F x MIR-H/V XT5

$86.71$293.10

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

Subject to factory lead times

ABB KXT4MIRPLF - MIR-P PLATE X XT4 F
ABB
ABB KXT4MIRPLF - MIR-P PLATE X XT4 F
MPN:KXT4MIRPLF
MIR-P PLATE X XT4 F

$81.84$276.62

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

Subject to factory lead times

ABB KXT4MIRPLPW - MIR-P PLATE X XT4 P/W
ABB
ABB KXT4MIRPLPW - MIR-P PLATE X XT4 P/W
MPN:KXT4MIRPLPW
MIR-P PLATE X XT4 P/W

$81.84$276.62

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

Subject to factory lead times