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Centro, Inc.Centro, Inc.
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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 KT82500RP - T8 RATING PLUG 2500A
ABB
ABB KT82500RP - T8 RATING PLUG 2500A
MPN:KT82500RP
T8 RATING PLUG 2500A

$155.36$384.91

You save 60%
Should ship between 13 Nov and 20 Nov

Subject to factory lead times

ABB KT82500VR-6 - REAR VERTICAL TERMINAL - SET OF 6
ABB
ABB KT82500VR-6 - REAR VERTICAL TERMINAL - SET OF 6
MPN:KT82500VR-6
REAR VERTICAL TERMINAL - SET OF 6

$2,763.02$6,845.50

You save 60%
Should ship between 13 Nov and 20 Nov

Subject to factory lead times

ABB KT82500VR-8 - KIT HR/VR S8-T8 2500A 8PCS
ABB
ABB KT82500VR-8 - KIT HR/VR S8-T8 2500A 8PCS
MPN:KT82500VR-8
KIT HR/VR S8-T8 2500A 8PCS

$7,839.36$19,422.37

You save 60%
Should ship between 13 Nov and 20 Nov

Subject to factory lead times

ABB KT8A4 - 4 OP/CL AUX.CONT.X PR331 T8
ABB
ABB KT8A4 - 4 OP/CL AUX.CONT.X PR331 T8
MPN:KT8A4
4 OP/CL AUX.CONT.X PR331 T8

$305.70$757.36

You save 60%
Should ship between 13 Nov and 20 Nov

Subject to factory lead times

ABB KT8A4D - 4 AUX CTCTS OPN/CLS 24V PR232-331
ABB
ABB KT8A4D - 4 AUX CTCTS OPN/CLS 24V PR232-331
MPN:KT8A4D
4 AUX CTCTS OPN/CLS 24V PR232-331

$745.53$1,847.09

You save 60%
Should ship between 13 Nov and 20 Nov

Subject to factory lead times

ABB KT8KL1 - KEY LOCK OPEN POS. DIFF. KEYS T8
ABB
ABB KT8KL1 - KEY LOCK OPEN POS. DIFF. KEYS T8
MPN:KT8KL1
KEY LOCK OPEN POS. DIFF. KEYS T8

$418.17$588.21

You save 29%
Should ship between 13 Nov and 20 Nov

Subject to factory lead times

ABB KT8KL2 - KEY LOCK OPEN POS. N.20005 T8
ABB
ABB KT8KL2 - KEY LOCK OPEN POS. N.20005 T8
MPN:KT8KL2
KEY LOCK OPEN POS. N.20005 T8

$178.33$441.79

You save 60%
Should ship between 13 Nov and 20 Nov

Subject to factory lead times

ABB KT8KL3 - KEY LCK OPEN N.20006 T8
ABB
ABB KT8KL3 - KEY LCK OPEN N.20006 T8
MPN:KT8KL3
KEY LCK OPEN N.20006 T8

$254.75$631.14

You save 60%
Should ship between 13 Nov and 20 Nov

Subject to factory lead times

ABB KT8NCT - CURR.SENS.NE.EXT IN=1000...3200A T8
ABB
ABB KT8NCT - CURR.SENS.NE.EXT IN=1000...3200A T8
MPN:KT8NCT
CURR.SENS.NE.EXT IN=1000...3200A T8

$1,347.08$3,337.44

You save 60%
Should ship between 13 Nov and 20 Nov

Subject to factory lead times

ABB KT8PBH-3 - PHASE BARRIER HIGH T7-T8 3P 2PCS
ABB
ABB KT8PBH-3 - PHASE BARRIER HIGH T7-T8 3P 2PCS
MPN:KT8PBH-3
PHASE BARRIER HIGH T7-T8 3P 2PCS

$83.67$207.26

You save 60%
Should ship between 13 Nov and 20 Nov

Subject to factory lead times

ABB KT8PBH-4 - PHASE BARRIER HIGH T7-T8 4P 3PCS
ABB
ABB KT8PBH-4 - PHASE BARRIER HIGH T7-T8 4P 3PCS
MPN:KT8PBH-4
PHASE BARRIER HIGH T7-T8 4P 3PCS

$112.11$277.76

You save 60%
Should ship between 13 Nov and 20 Nov

Subject to factory lead times

ABB KT8PBL-3 - PHASE BARRIER LOW T7-T8 3P 2PCS
ABB
ABB KT8PBL-3 - PHASE BARRIER LOW T7-T8 3P 2PCS
MPN:KT8PBL-3
PHASE BARRIER LOW T7-T8 3P 2PCS

$17.08$42.31

You save 60%
Should ship between 13 Nov and 20 Nov

Subject to factory lead times

ABB KXT1ADP-3 - ADP MONT. FIXED TERM. X PF XT1 3P
ABB
ABB KXT1ADP-3 - ADP MONT. FIXED TERM. X PF XT1 3P
MPN:KXT1ADP-3
ADP MONT. FIXED TERM. X PF XT1 3P

$19.81$66.96

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

Subject to factory lead times

ABB KXT1ADP-4 - ADP MONT. FIXED TERM. X PF XT1 4P
ABB
ABB KXT1ADP-4 - ADP MONT. FIXED TERM. X PF XT1 4P
MPN:KXT1ADP-4
ADP MONT. FIXED TERM. X PF XT1 4P

$26.30$88.91

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

Subject to factory lead times

ABB KXT1AXC3QL - AUX-C 3Q L 250 V XT1
ABB
ABB KXT1AXC3QL - AUX-C 3Q L 250 V XT1
MPN:KXT1AXC3QL
AUX-C 3Q L 250 V XT1

$453.37$1,532.42

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

Subject to factory lead times

ABB KXT1CU-3PC - KIT FCCUXT1 14-1/0AWG3PCUL/CSA MCCB
ABB
ABB KXT1CU-3PC - KIT FCCUXT1 14-1/0AWG3PCUL/CSA MCCB
MPN:KXT1CU-3PC
KIT FCCUXT1 14-1/0AWG3PCUL/CSA MCCB

$28.91$97.70

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

Subject to factory lead times

ABB KXT1CU-4PC - KIT FCCUXT1 14-1/0AWG4PCUL/CSA MCCB
ABB
ABB KXT1CU-4PC - KIT FCCUXT1 14-1/0AWG4PCUL/CSA MCCB
MPN:KXT1CU-4PC
KIT FCCUXT1 14-1/0AWG4PCUL/CSA MCCB

$41.26$139.41

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

Subject to factory lead times

ABB KXT1CU-6PC - KIT FCCUXT1 14-1/0AWG6PCUL/CSA MCCB
ABB
ABB KXT1CU-6PC - KIT FCCUXT1 14-1/0AWG6PCUL/CSA MCCB
MPN:KXT1CU-6PC
KIT FCCUXT1 14-1/0AWG6PCUL/CSA MCCB

$31.72$107.19

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

Subject to factory lead times

ABB KXT1CU-8PC - KIT FCCUXT1 14-1/0AWG8PCUL/CSA MCCB
ABB
ABB KXT1CU-8PC - KIT FCCUXT1 14-1/0AWG8PCUL/CSA MCCB
MPN:KXT1CU-8PC
KIT FCCUXT1 14-1/0AWG8PCUL/CSA MCCB

$45.70$154.44

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

Subject to factory lead times

ABB KXT1CUAL1-3PC - KIT FC CUAL 10-2/0 AWG XT1 3PCS UL
ABB
ABB KXT1CUAL1-3PC - KIT FC CUAL 10-2/0 AWG XT1 3PCS UL
MPN:KXT1CUAL1-3PC
KIT FC CUAL 10-2/0 AWG XT1 3PCS UL

$21.43$72.45

You save 70%
Low Stock (5)Ships within 1 business day
ABB KXT1CUAL1-4PC - KIT FC CUAL 14-2/0 AWG XT1 4PCS UL
ABB
ABB KXT1CUAL1-4PC - KIT FC CUAL 14-2/0 AWG XT1 4PCS UL
MPN:KXT1CUAL1-4PC
KIT FC CUAL 14-2/0 AWG XT1 4PCS UL

$28.59$96.60

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

Subject to factory lead times

ABB KXT1CUAL1C-3PC - KIT FCCUAL 14-2/0AWG XT1 AUXV 3PCUL
ABB
ABB KXT1CUAL1C-3PC - KIT FCCUAL 14-2/0AWG XT1 AUXV 3PCUL
MPN:KXT1CUAL1C-3PC
KIT FCCUAL 14-2/0AWG XT1 AUXV 3PCUL

$42.88$144.90

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

Subject to factory lead times

ABB KXT1CUAL1C-4PC - KIT FC CUAL 14-2/0AWG XT1 AUXV4PCUL
ABB
ABB KXT1CUAL1C-4PC - KIT FC CUAL 14-2/0AWG XT1 AUXV4PCUL
MPN:KXT1CUAL1C-4PC
KIT FC CUAL 14-2/0AWG XT1 AUXV4PCUL

$57.16$193.20

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

Subject to factory lead times

ABB KXT1CUMCP-3PC - KIT FCCUXT1 14-1/0AWG3PC MCP UL/CSA
ABB
ABB KXT1CUMCP-3PC - KIT FCCUXT1 14-1/0AWG3PC MCP UL/CSA
MPN:KXT1CUMCP-3PC
KIT FCCUXT1 14-1/0AWG3PC MCP UL/CSA

$28.91$97.70

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

Subject to factory lead times

ABB KT82500RP - T8 RATING PLUG 2500A
ABB
ABB KT82500RP - T8 RATING PLUG 2500A
MPN:KT82500RP
T8 RATING PLUG 2500A

$155.36$384.91

You save 60%
Should ship between 13 Nov and 20 Nov

Subject to factory lead times

ABB KT82500VR-6 - REAR VERTICAL TERMINAL - SET OF 6
ABB
ABB KT82500VR-6 - REAR VERTICAL TERMINAL - SET OF 6
MPN:KT82500VR-6
REAR VERTICAL TERMINAL - SET OF 6

$2,763.02$6,845.50

You save 60%
Should ship between 13 Nov and 20 Nov

Subject to factory lead times

ABB KT82500VR-8 - KIT HR/VR S8-T8 2500A 8PCS
ABB
ABB KT82500VR-8 - KIT HR/VR S8-T8 2500A 8PCS
MPN:KT82500VR-8
KIT HR/VR S8-T8 2500A 8PCS

$7,839.36$19,422.37

You save 60%
Should ship between 13 Nov and 20 Nov

Subject to factory lead times

ABB KT8A4 - 4 OP/CL AUX.CONT.X PR331 T8
ABB
ABB KT8A4 - 4 OP/CL AUX.CONT.X PR331 T8
MPN:KT8A4
4 OP/CL AUX.CONT.X PR331 T8

$305.70$757.36

You save 60%
Should ship between 13 Nov and 20 Nov

Subject to factory lead times

ABB KT8A4D - 4 AUX CTCTS OPN/CLS 24V PR232-331
ABB
ABB KT8A4D - 4 AUX CTCTS OPN/CLS 24V PR232-331
MPN:KT8A4D
4 AUX CTCTS OPN/CLS 24V PR232-331

$745.53$1,847.09

You save 60%
Should ship between 13 Nov and 20 Nov

Subject to factory lead times

ABB KT8KL1 - KEY LOCK OPEN POS. DIFF. KEYS T8
ABB
ABB KT8KL1 - KEY LOCK OPEN POS. DIFF. KEYS T8
MPN:KT8KL1
KEY LOCK OPEN POS. DIFF. KEYS T8

$418.17$588.21

You save 29%
Should ship between 13 Nov and 20 Nov

Subject to factory lead times

ABB KT8KL2 - KEY LOCK OPEN POS. N.20005 T8
ABB
ABB KT8KL2 - KEY LOCK OPEN POS. N.20005 T8
MPN:KT8KL2
KEY LOCK OPEN POS. N.20005 T8

$178.33$441.79

You save 60%
Should ship between 13 Nov and 20 Nov

Subject to factory lead times

ABB KT8KL3 - KEY LCK OPEN N.20006 T8
ABB
ABB KT8KL3 - KEY LCK OPEN N.20006 T8
MPN:KT8KL3
KEY LCK OPEN N.20006 T8

$254.75$631.14

You save 60%
Should ship between 13 Nov and 20 Nov

Subject to factory lead times

ABB KT8NCT - CURR.SENS.NE.EXT IN=1000...3200A T8
ABB
ABB KT8NCT - CURR.SENS.NE.EXT IN=1000...3200A T8
MPN:KT8NCT
CURR.SENS.NE.EXT IN=1000...3200A T8

$1,347.08$3,337.44

You save 60%
Should ship between 13 Nov and 20 Nov

Subject to factory lead times

ABB KT8PBH-3 - PHASE BARRIER HIGH T7-T8 3P 2PCS
ABB
ABB KT8PBH-3 - PHASE BARRIER HIGH T7-T8 3P 2PCS
MPN:KT8PBH-3
PHASE BARRIER HIGH T7-T8 3P 2PCS

$83.67$207.26

You save 60%
Should ship between 13 Nov and 20 Nov

Subject to factory lead times

ABB KT8PBH-4 - PHASE BARRIER HIGH T7-T8 4P 3PCS
ABB
ABB KT8PBH-4 - PHASE BARRIER HIGH T7-T8 4P 3PCS
MPN:KT8PBH-4
PHASE BARRIER HIGH T7-T8 4P 3PCS

$112.11$277.76

You save 60%
Should ship between 13 Nov and 20 Nov

Subject to factory lead times

ABB KT8PBL-3 - PHASE BARRIER LOW T7-T8 3P 2PCS
ABB
ABB KT8PBL-3 - PHASE BARRIER LOW T7-T8 3P 2PCS
MPN:KT8PBL-3
PHASE BARRIER LOW T7-T8 3P 2PCS

$17.08$42.31

You save 60%
Should ship between 13 Nov and 20 Nov

Subject to factory lead times

ABB KXT1ADP-3 - ADP MONT. FIXED TERM. X PF XT1 3P
ABB
ABB KXT1ADP-3 - ADP MONT. FIXED TERM. X PF XT1 3P
MPN:KXT1ADP-3
ADP MONT. FIXED TERM. X PF XT1 3P

$19.81$66.96

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

Subject to factory lead times

ABB KXT1ADP-4 - ADP MONT. FIXED TERM. X PF XT1 4P
ABB
ABB KXT1ADP-4 - ADP MONT. FIXED TERM. X PF XT1 4P
MPN:KXT1ADP-4
ADP MONT. FIXED TERM. X PF XT1 4P

$26.30$88.91

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

Subject to factory lead times

ABB KXT1AXC3QL - AUX-C 3Q L 250 V XT1
ABB
ABB KXT1AXC3QL - AUX-C 3Q L 250 V XT1
MPN:KXT1AXC3QL
AUX-C 3Q L 250 V XT1

$453.37$1,532.42

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

Subject to factory lead times

ABB KXT1CU-3PC - KIT FCCUXT1 14-1/0AWG3PCUL/CSA MCCB
ABB
ABB KXT1CU-3PC - KIT FCCUXT1 14-1/0AWG3PCUL/CSA MCCB
MPN:KXT1CU-3PC
KIT FCCUXT1 14-1/0AWG3PCUL/CSA MCCB

$28.91$97.70

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

Subject to factory lead times

ABB KXT1CU-4PC - KIT FCCUXT1 14-1/0AWG4PCUL/CSA MCCB
ABB
ABB KXT1CU-4PC - KIT FCCUXT1 14-1/0AWG4PCUL/CSA MCCB
MPN:KXT1CU-4PC
KIT FCCUXT1 14-1/0AWG4PCUL/CSA MCCB

$41.26$139.41

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

Subject to factory lead times

ABB KXT1CU-6PC - KIT FCCUXT1 14-1/0AWG6PCUL/CSA MCCB
ABB
ABB KXT1CU-6PC - KIT FCCUXT1 14-1/0AWG6PCUL/CSA MCCB
MPN:KXT1CU-6PC
KIT FCCUXT1 14-1/0AWG6PCUL/CSA MCCB

$31.72$107.19

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

Subject to factory lead times

ABB KXT1CU-8PC - KIT FCCUXT1 14-1/0AWG8PCUL/CSA MCCB
ABB
ABB KXT1CU-8PC - KIT FCCUXT1 14-1/0AWG8PCUL/CSA MCCB
MPN:KXT1CU-8PC
KIT FCCUXT1 14-1/0AWG8PCUL/CSA MCCB

$45.70$154.44

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

Subject to factory lead times

ABB KXT1CUAL1-3PC - KIT FC CUAL 10-2/0 AWG XT1 3PCS UL
ABB
ABB KXT1CUAL1-3PC - KIT FC CUAL 10-2/0 AWG XT1 3PCS UL
MPN:KXT1CUAL1-3PC
KIT FC CUAL 10-2/0 AWG XT1 3PCS UL

$21.43$72.45

You save 70%
Low Stock (5)Ships within 1 business day
ABB KXT1CUAL1-4PC - KIT FC CUAL 14-2/0 AWG XT1 4PCS UL
ABB
ABB KXT1CUAL1-4PC - KIT FC CUAL 14-2/0 AWG XT1 4PCS UL
MPN:KXT1CUAL1-4PC
KIT FC CUAL 14-2/0 AWG XT1 4PCS UL

$28.59$96.60

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

Subject to factory lead times

ABB KXT1CUAL1C-3PC - KIT FCCUAL 14-2/0AWG XT1 AUXV 3PCUL
ABB
ABB KXT1CUAL1C-3PC - KIT FCCUAL 14-2/0AWG XT1 AUXV 3PCUL
MPN:KXT1CUAL1C-3PC
KIT FCCUAL 14-2/0AWG XT1 AUXV 3PCUL

$42.88$144.90

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

Subject to factory lead times

ABB KXT1CUAL1C-4PC - KIT FC CUAL 14-2/0AWG XT1 AUXV4PCUL
ABB
ABB KXT1CUAL1C-4PC - KIT FC CUAL 14-2/0AWG XT1 AUXV4PCUL
MPN:KXT1CUAL1C-4PC
KIT FC CUAL 14-2/0AWG XT1 AUXV4PCUL

$57.16$193.20

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

Subject to factory lead times

ABB KXT1CUMCP-3PC - KIT FCCUXT1 14-1/0AWG3PC MCP UL/CSA
ABB
ABB KXT1CUMCP-3PC - KIT FCCUXT1 14-1/0AWG3PC MCP UL/CSA
MPN:KXT1CUMCP-3PC
KIT FCCUXT1 14-1/0AWG3PC MCP UL/CSA

$28.91$97.70

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

Subject to factory lead times