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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 KXT1ER-4PC - KIT R XT1 4 PIECES
ABB
ABB KXT1ER-4PC - KIT R XT1 4 PIECES
MPN:KXT1ER-4PC
KIT R XT1 4 PIECES

$73.08$246.99

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

Subject to factory lead times

ABB KXT1ER-6PC - KIT R XT1 6 PIECES
ABB
ABB KXT1ER-6PC - KIT R XT1 6 PIECES
MPN:KXT1ER-6PC
KIT R XT1 6 PIECES

$112.70$380.91

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

Subject to factory lead times

ABB KXT1ERCINST-3 - RC INST X XT1 3P F
ABB
ABB KXT1ERCINST-3 - RC INST X XT1 3P F
MPN:KXT1ERCINST-3
RC INST X XT1 3P F

$1,205.21$4,073.64

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

Subject to factory lead times

ABB KXT1ERCINST-4 - RC INST X XT1 4P F
ABB
ABB KXT1ERCINST-4 - RC INST X XT1 4P F
MPN:KXT1ERCINST-4
RC INST X XT1 4P F

$1,296.14$4,381.01

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

Subject to factory lead times

ABB KXT1ERCSEL-3 - RC SEL X XT1 3P F
ABB
ABB KXT1ERCSEL-3 - RC SEL X XT1 3P F
MPN:KXT1ERCSEL-3
RC SEL X XT1 3P F

$1,296.14$4,381.01

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

Subject to factory lead times

ABB KXT1ERCSEL-4 - RC SEL X XT1 4P F
ABB
ABB KXT1ERCSEL-4 - RC SEL X XT1 4P F
MPN:KXT1ERCSEL-4
RC SEL X XT1 4P F

$1,393.58$4,710.33

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

Subject to factory lead times

ABB KXT1ERCSEL200-4 - RC SEL 200 X XT1 4P F
ABB
ABB KXT1ERCSEL200-4 - RC SEL 200 X XT1 4P F
MPN:KXT1ERCSEL200-4
RC SEL 200 X XT1 4P F

$1,393.58$4,710.33

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

Subject to factory lead times

ABB KXT1ERFP-3 - KIT R FP XT1 3 PIECES
ABB
ABB KXT1ERFP-3 - KIT R FP XT1 3 PIECES
MPN:KXT1ERFP-3
KIT R FP XT1 3 PIECES

$54.89$185.51

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

Subject to factory lead times

ABB KXT1ERFP-4 - KIT R FP XT1 4 PIECES
ABB
ABB KXT1ERFP-4 - KIT R FP XT1 4 PIECES
MPN:KXT1ERFP-4
KIT R FP XT1 4 PIECES

$73.08$246.99

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

Subject to factory lead times

ABB KXT1ERRC-4PC - KIT R X RC XT1 4 PIECES
ABB
ABB KXT1ERRC-4PC - KIT R X RC XT1 4 PIECES
MPN:KXT1ERRC-4PC
KIT R X RC XT1 4 PIECES

$146.15$493.97

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

Subject to factory lead times

ABB KXT1ES-3PC - KIT ES XT1 3 PIECES
ABB
ABB KXT1ES-3PC - KIT ES XT1 3 PIECES
MPN:KXT1ES-3PC
KIT ES XT1 3 PIECES

$54.57$184.42

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

Subject to factory lead times

ABB KXT1ES-4PC - KIT ES XT1 4 PIECES
ABB
ABB KXT1ES-4PC - KIT ES XT1 4 PIECES
MPN:KXT1ES-4PC
KIT ES XT1 4 PIECES

$63.99$216.25

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

Subject to factory lead times

ABB KXT1F-3PC - KIT F XT1 3 PIECES
ABB
ABB KXT1F-3PC - KIT F XT1 3 PIECES
MPN:KXT1F-3PC
KIT F XT1 3 PIECES

$17.86$60.38

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

Subject to factory lead times

ABB KXT1F-4PC - KIT F XT1 4 PIECES
ABB
ABB KXT1F-4PC - KIT F XT1 4 PIECES
MPN:KXT1F-4PC
KIT F XT1 4 PIECES

$20.46$69.15

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

Subject to factory lead times

ABB KXT1F-6PC - KIT F XT1 6 PIECES
ABB
ABB KXT1F-6PC - KIT F XT1 6 PIECES
MPN:KXT1F-6PC
KIT F XT1 6 PIECES

$30.86$104.29

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

Subject to factory lead times

ABB KXT1F-8PC - KIT F XT1 8 PIECES
ABB
ABB KXT1F-8PC - KIT F XT1 8 PIECES
MPN:KXT1F-8PC
KIT F XT1 8 PIECES

$40.61$137.21

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

Subject to factory lead times

ABB KXT1F3PCMCP - KIT F XT1 MCP 3PCS UL/CSA
ABB
ABB KXT1F3PCMCP - KIT F XT1 MCP 3PCS UL/CSA
MPN:KXT1F3PCMCP
KIT F XT1 MCP 3PCS UL/CSA

$17.86$60.38

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

Subject to factory lead times

ABB KXT1F6PCMCP - KIT F XT1 MCP 6PCS UL/CSA
ABB
ABB KXT1F6PCMCP - KIT F XT1 MCP 6PCS UL/CSA
MPN:KXT1F6PCMCP
KIT F XT1 MCP 6PCS UL/CSA

$29.56$99.90

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

Subject to factory lead times

ABB KXT1HTC-3 - HTC XT1 3P TERM CVR HIGH 2PCS
ABB
ABB KXT1HTC-3 - HTC XT1 3P TERM CVR HIGH 2PCS
MPN:KXT1HTC-3
HTC XT1 3P TERM CVR HIGH 2PCS

$27.94$94.41

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

Subject to factory lead times

ABB KXT1HTC-4 - HTC XT1 4P TERM CVR HIGH 2PCS
ABB
ABB KXT1HTC-4 - HTC XT1 4P TERM CVR HIGH 2PCS
MPN:KXT1HTC-4
HTC XT1 4P TERM CVR HIGH 2PCS

$37.03$125.14

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

Subject to factory lead times

ABB KXT1KLCCBA - KLC XT1 KEY LK RONIS ON CB TYPE A
ABB
ABB KXT1KLCCBA - KLC XT1 KEY LK RONIS ON CB TYPE A
MPN:KXT1KLCCBA
KLC XT1 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 KXT1KLCCBB - KLC XT1 KEY LK RONIS ON CB TYPE B
ABB
ABB KXT1KLCCBB - KLC XT1 KEY LK RONIS ON CB TYPE B
MPN:KXT1KLCCBB
KLC XT1 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 KXT1KLCCBC - KLC XT1 KEY LK RONIS ON CB TYPE C
ABB
ABB KXT1KLCCBC - KLC XT1 KEY LK RONIS ON CB TYPE C
MPN:KXT1KLCCBC
KLC XT1 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 KXT1KLCCBD - KLC XT1 KEY LK RONIS ON CB TYPE D
ABB
ABB KXT1KLCCBD - KLC XT1 KEY LK RONIS ON CB TYPE D
MPN:KXT1KLCCBD
KLC XT1 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 KXT1ER-4PC - KIT R XT1 4 PIECES
ABB
ABB KXT1ER-4PC - KIT R XT1 4 PIECES
MPN:KXT1ER-4PC
KIT R XT1 4 PIECES

$73.08$246.99

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

Subject to factory lead times

ABB KXT1ER-6PC - KIT R XT1 6 PIECES
ABB
ABB KXT1ER-6PC - KIT R XT1 6 PIECES
MPN:KXT1ER-6PC
KIT R XT1 6 PIECES

$112.70$380.91

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

Subject to factory lead times

ABB KXT1ERCINST-3 - RC INST X XT1 3P F
ABB
ABB KXT1ERCINST-3 - RC INST X XT1 3P F
MPN:KXT1ERCINST-3
RC INST X XT1 3P F

$1,205.21$4,073.64

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

Subject to factory lead times

ABB KXT1ERCINST-4 - RC INST X XT1 4P F
ABB
ABB KXT1ERCINST-4 - RC INST X XT1 4P F
MPN:KXT1ERCINST-4
RC INST X XT1 4P F

$1,296.14$4,381.01

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

Subject to factory lead times

ABB KXT1ERCSEL-3 - RC SEL X XT1 3P F
ABB
ABB KXT1ERCSEL-3 - RC SEL X XT1 3P F
MPN:KXT1ERCSEL-3
RC SEL X XT1 3P F

$1,296.14$4,381.01

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

Subject to factory lead times

ABB KXT1ERCSEL-4 - RC SEL X XT1 4P F
ABB
ABB KXT1ERCSEL-4 - RC SEL X XT1 4P F
MPN:KXT1ERCSEL-4
RC SEL X XT1 4P F

$1,393.58$4,710.33

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

Subject to factory lead times

ABB KXT1ERCSEL200-4 - RC SEL 200 X XT1 4P F
ABB
ABB KXT1ERCSEL200-4 - RC SEL 200 X XT1 4P F
MPN:KXT1ERCSEL200-4
RC SEL 200 X XT1 4P F

$1,393.58$4,710.33

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

Subject to factory lead times

ABB KXT1ERFP-3 - KIT R FP XT1 3 PIECES
ABB
ABB KXT1ERFP-3 - KIT R FP XT1 3 PIECES
MPN:KXT1ERFP-3
KIT R FP XT1 3 PIECES

$54.89$185.51

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

Subject to factory lead times

ABB KXT1ERFP-4 - KIT R FP XT1 4 PIECES
ABB
ABB KXT1ERFP-4 - KIT R FP XT1 4 PIECES
MPN:KXT1ERFP-4
KIT R FP XT1 4 PIECES

$73.08$246.99

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

Subject to factory lead times

ABB KXT1ERRC-4PC - KIT R X RC XT1 4 PIECES
ABB
ABB KXT1ERRC-4PC - KIT R X RC XT1 4 PIECES
MPN:KXT1ERRC-4PC
KIT R X RC XT1 4 PIECES

$146.15$493.97

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

Subject to factory lead times

ABB KXT1ES-3PC - KIT ES XT1 3 PIECES
ABB
ABB KXT1ES-3PC - KIT ES XT1 3 PIECES
MPN:KXT1ES-3PC
KIT ES XT1 3 PIECES

$54.57$184.42

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

Subject to factory lead times

ABB KXT1ES-4PC - KIT ES XT1 4 PIECES
ABB
ABB KXT1ES-4PC - KIT ES XT1 4 PIECES
MPN:KXT1ES-4PC
KIT ES XT1 4 PIECES

$63.99$216.25

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

Subject to factory lead times

ABB KXT1F-3PC - KIT F XT1 3 PIECES
ABB
ABB KXT1F-3PC - KIT F XT1 3 PIECES
MPN:KXT1F-3PC
KIT F XT1 3 PIECES

$17.86$60.38

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

Subject to factory lead times

ABB KXT1F-4PC - KIT F XT1 4 PIECES
ABB
ABB KXT1F-4PC - KIT F XT1 4 PIECES
MPN:KXT1F-4PC
KIT F XT1 4 PIECES

$20.46$69.15

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

Subject to factory lead times

ABB KXT1F-6PC - KIT F XT1 6 PIECES
ABB
ABB KXT1F-6PC - KIT F XT1 6 PIECES
MPN:KXT1F-6PC
KIT F XT1 6 PIECES

$30.86$104.29

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

Subject to factory lead times

ABB KXT1F-8PC - KIT F XT1 8 PIECES
ABB
ABB KXT1F-8PC - KIT F XT1 8 PIECES
MPN:KXT1F-8PC
KIT F XT1 8 PIECES

$40.61$137.21

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

Subject to factory lead times

ABB KXT1F3PCMCP - KIT F XT1 MCP 3PCS UL/CSA
ABB
ABB KXT1F3PCMCP - KIT F XT1 MCP 3PCS UL/CSA
MPN:KXT1F3PCMCP
KIT F XT1 MCP 3PCS UL/CSA

$17.86$60.38

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

Subject to factory lead times

ABB KXT1F6PCMCP - KIT F XT1 MCP 6PCS UL/CSA
ABB
ABB KXT1F6PCMCP - KIT F XT1 MCP 6PCS UL/CSA
MPN:KXT1F6PCMCP
KIT F XT1 MCP 6PCS UL/CSA

$29.56$99.90

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

Subject to factory lead times

ABB KXT1HTC-3 - HTC XT1 3P TERM CVR HIGH 2PCS
ABB
ABB KXT1HTC-3 - HTC XT1 3P TERM CVR HIGH 2PCS
MPN:KXT1HTC-3
HTC XT1 3P TERM CVR HIGH 2PCS

$27.94$94.41

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

Subject to factory lead times

ABB KXT1HTC-4 - HTC XT1 4P TERM CVR HIGH 2PCS
ABB
ABB KXT1HTC-4 - HTC XT1 4P TERM CVR HIGH 2PCS
MPN:KXT1HTC-4
HTC XT1 4P TERM CVR HIGH 2PCS

$37.03$125.14

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

Subject to factory lead times

ABB KXT1KLCCBA - KLC XT1 KEY LK RONIS ON CB TYPE A
ABB
ABB KXT1KLCCBA - KLC XT1 KEY LK RONIS ON CB TYPE A
MPN:KXT1KLCCBA
KLC XT1 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 KXT1KLCCBB - KLC XT1 KEY LK RONIS ON CB TYPE B
ABB
ABB KXT1KLCCBB - KLC XT1 KEY LK RONIS ON CB TYPE B
MPN:KXT1KLCCBB
KLC XT1 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 KXT1KLCCBC - KLC XT1 KEY LK RONIS ON CB TYPE C
ABB
ABB KXT1KLCCBC - KLC XT1 KEY LK RONIS ON CB TYPE C
MPN:KXT1KLCCBC
KLC XT1 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 KXT1KLCCBD - KLC XT1 KEY LK RONIS ON CB TYPE D
ABB
ABB KXT1KLCCBD - KLC XT1 KEY LK RONIS ON CB TYPE D
MPN:KXT1KLCCBD
KLC XT1 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