Molded Case Circuit Breakers

Molded case circuit breakers are components in electrical systems, designed to protect circuits and equipment from overcurrents and short circuits. These breakers feature a robust, molded case housing that houses internal components like trip units and contacts. They are versatile, offering adjustable trip settings to accommodate different load requirements and providing reliable protection across various applications, from industrial machinery to commercial buildings. Molded case circuit breakers are important for ensuring electrical safety and minimizing downtime due to electrical faults. Explore our range of molded case circuit breakers or contact us to speak with a product expert.

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ABB KT5ADP-6 - ADP 6PIN AUX T4-T5-T6 P/W

ABB KT5ADP-6 - ADP 6PIN AUX T4-T5-T6 P/W

MPN:KT5ADP-6

ADP 6PIN AUX T4-T5-T6 P/W

$30.18$74.74

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

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ABB KT5AS-B - AUX-C T4-T5-T6 1Q 1SY 400 VAC

ABB KT5AS-B - AUX-C T4-T5-T6 1Q 1SY 400 VAC

MPN:KT5AS-B

AUX-C T4-T5-T6 1Q 1SY 400 VAC

$492.28$1,219.63

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

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ABB KT5AS2-B - AUX-C T4-T5-T6 2Q 400 VAC

ABB KT5AS2-B - AUX-C T4-T5-T6 2Q 400 VAC

MPN:KT5AS2-B

AUX-C T4-T5-T6 2Q 400 VAC

$900.90$2,232.01

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

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ABB KT5AS3 - AUX-C T4-T5-T6 3Q 1SY 250 VAC/DC

ABB KT5AS3 - AUX-C T4-T5-T6 3Q 1SY 250 VAC/DC

MPN:KT5AS3

AUX-C T4-T5-T6 3Q 1SY 250 VAC/DC

$900.90$2,232.01

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

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ABB KT5AS3-AU - AUX-C T4-T5-T6 3Q 1SY 24 VDC

ABB KT5AS3-AU - AUX-C T4-T5-T6 3Q 1SY 24 VDC

MPN:KT5AS3-AU

AUX-C T4-T5-T6 3Q 1SY 24 VDC

$900.90$2,232.01

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

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ABB KT5EF-3 - TMAX T5 EF TERM KIT 3 PCS

ABB KT5EF-3 - TMAX T5 EF TERM KIT 3 PCS

MPN:KT5EF-3

TMAX T5 EF TERM KIT 3 PCS

$143.42$355.32

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

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ABB KT5EF-4 - TMAX T5 EF TERM KIT (4PCS)

ABB KT5EF-4 - TMAX T5 EF TERM KIT (4PCS)

MPN:KT5EF-4

TMAX T5 EF TERM KIT (4PCS)

$192.36$476.58

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

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ABB KT5ES-3 - TMAX T5 EXT SPREADED TERM 3PCS

ABB KT5ES-3 - TMAX T5 EXT SPREADED TERM 3PCS

MPN:KT5ES-3

TMAX T5 EXT SPREADED TERM 3PCS

$101.30$250.98

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

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ABB KT5F-6 - TMAX T5 FRONT TERMINAL KIT 6PC

ABB KT5F-6 - TMAX T5 FRONT TERMINAL KIT 6PC

MPN:KT5F-6

TMAX T5 FRONT TERMINAL KIT 6PC

$55.78$138.18

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

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ABB KT5FLD - FRONT LOCKING DEVICE T4-T5

ABB KT5FLD - FRONT LOCKING DEVICE T4-T5

MPN:KT5FLD

FRONT LOCKING DEVICE T4-T5

$50.08$124.08

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

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ABB KT5HTC-3 - HIGH TERM COVER T5 3P 2 PCS

ABB KT5HTC-3 - HIGH TERM COVER T5 3P 2 PCS

MPN:KT5HTC-3

HIGH TERM COVER T5 3P 2 PCS

$77.98$193.18

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

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ABB KT5KLFD - KEYLOCK ROTARY HANDLE T4-T5

ABB KT5KLFD - KEYLOCK ROTARY HANDLE T4-T5

MPN:KT5KLFD

KEYLOCK ROTARY HANDLE T4-T5

$72.29$179.08

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

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ABB KT5LTC-3 - LOW TERM COVER T5 3P 2 PCS

ABB KT5LTC-3 - LOW TERM COVER T5 3P 2 PCS

MPN:KT5LTC-3

LOW TERM COVER T5 3P 2 PCS

$74.56$184.72

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

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ABB KT5M2 - MTR OPR T4-T5 220-250VAC/DC

ABB KT5M2 - MTR OPR T4-T5 220-250VAC/DC

MPN:KT5M2

MTR OPR T4-T5 220-250VAC/DC

$2,961.62$7,337.57

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

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ABB KT5M4 - MTR OPR T4-T5 110-125VAC/DC

ABB KT5M4 - MTR OPR T4-T5 110-125VAC/DC

MPN:KT5M4

MTR OPR T4-T5 110-125VAC/DC

$2,781.05$7,337.57

You save 62%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

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ABB KT5M8 - MTR OPR T4-T5 24VDC

ABB KT5M8 - MTR OPR T4-T5 24VDC

MPN:KT5M8

MTR OPR T4-T5 24VDC

$2,961.62$7,337.57

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

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ABB KT5MIR-HB - TMAX T4-T5 MECH INTLK FRM HORZ

ABB KT5MIR-HB - TMAX T4-T5 MECH INTLK FRM HORZ

MPN:KT5MIR-HB

TMAX T4-T5 MECH INTLK FRM HORZ

$608.95$1,508.70

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

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ABB KT5MIR-PD - TMAX T4-T5 MECH INTLK PLT D

ABB KT5MIR-PD - TMAX T4-T5 MECH INTLK PLT D

MPN:KT5MIR-PD

TMAX T4-T5 MECH INTLK PLT D

$261.23$647.18

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

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ABB KT5MIR-VB - MIR-VB T4-T5

ABB KT5MIR-VB - MIR-VB T4-T5

MPN:KT5MIR-VB

MIR-VB T4-T5

$730.74$1,810.42

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

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ABB KT5MOLM - MOL-M T4-T5-T6 >MANUAL OPERATION

ABB KT5MOLM - MOL-M T4-T5-T6 >MANUAL OPERATION

MPN:KT5MOLM

MOL-M T4-T5-T6 >MANUAL OPERATION

$116.66$289.04

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

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ABB KT5N12FLHDL10 - T5 F HDL N1,3R,12,4 MEC, 10F CBL

ABB KT5N12FLHDL10 - T5 F HDL N1,3R,12,4 MEC, 10F CBL

MPN:KT5N12FLHDL10

T5 F HDL N1,3R,12,4 MEC, 10F CBL

$779.11$1,930.27

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

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ABB KT5N12FLHDL4 - T5 F HDL N1,3R,12,4 MEC, 4F CBL

ABB KT5N12FLHDL4 - T5 F HDL N1,3R,12,4 MEC, 4F CBL

MPN:KT5N12FLHDL4

T5 F HDL N1,3R,12,4 MEC, 4F CBL

$725.63$1,797.74

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

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ABB KT5N12FLHDL6 - T5 F HDL N1,3R,12,4 MEC, 6F CBL

ABB KT5N12FLHDL6 - T5 F HDL N1,3R,12,4 MEC, 6F CBL

MPN:KT5N12FLHDL6

T5 F HDL N1,3R,12,4 MEC, 6F CBL

$741.56$1,837.22

You save 60%

Low Stock (1)Ships within 1 business day

Subject to factory lead times

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ABB KT5N4XFLHDL4 - T5 F HDL N1,3,12,4,4X, MEC, 4F CBL

ABB KT5N4XFLHDL4 - T5 F HDL N1,3,12,4,4X, MEC, 4F CBL

MPN:KT5N4XFLHDL4

T5 F HDL N1,3,12,4,4X, MEC, 4F CBL

$789.35$1,955.66

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

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ABB KT5ADP-6 - ADP 6PIN AUX T4-T5-T6 P/W

ABB KT5ADP-6 - ADP 6PIN AUX T4-T5-T6 P/W

MPN:KT5ADP-6

ADP 6PIN AUX T4-T5-T6 P/W

$30.18$74.74

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

QTY:

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ABB KT5AS-B - AUX-C T4-T5-T6 1Q 1SY 400 VAC

ABB KT5AS-B - AUX-C T4-T5-T6 1Q 1SY 400 VAC

MPN:KT5AS-B

AUX-C T4-T5-T6 1Q 1SY 400 VAC

$492.28$1,219.63

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

QTY:

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ABB KT5AS2-B - AUX-C T4-T5-T6 2Q 400 VAC

ABB KT5AS2-B - AUX-C T4-T5-T6 2Q 400 VAC

MPN:KT5AS2-B

AUX-C T4-T5-T6 2Q 400 VAC

$900.90$2,232.01

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

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ABB KT5AS3 - AUX-C T4-T5-T6 3Q 1SY 250 VAC/DC

ABB KT5AS3 - AUX-C T4-T5-T6 3Q 1SY 250 VAC/DC

MPN:KT5AS3

AUX-C T4-T5-T6 3Q 1SY 250 VAC/DC

$900.90$2,232.01

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

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ABB KT5AS3-AU - AUX-C T4-T5-T6 3Q 1SY 24 VDC

ABB KT5AS3-AU - AUX-C T4-T5-T6 3Q 1SY 24 VDC

MPN:KT5AS3-AU

AUX-C T4-T5-T6 3Q 1SY 24 VDC

$900.90$2,232.01

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

QTY:

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ABB KT5EF-3 - TMAX T5 EF TERM KIT 3 PCS

ABB KT5EF-3 - TMAX T5 EF TERM KIT 3 PCS

MPN:KT5EF-3

TMAX T5 EF TERM KIT 3 PCS

$143.42$355.32

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

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ABB KT5EF-4 - TMAX T5 EF TERM KIT (4PCS)

ABB KT5EF-4 - TMAX T5 EF TERM KIT (4PCS)

MPN:KT5EF-4

TMAX T5 EF TERM KIT (4PCS)

$192.36$476.58

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

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ABB KT5ES-3 - TMAX T5 EXT SPREADED TERM 3PCS

ABB KT5ES-3 - TMAX T5 EXT SPREADED TERM 3PCS

MPN:KT5ES-3

TMAX T5 EXT SPREADED TERM 3PCS

$101.30$250.98

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

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ABB KT5F-6 - TMAX T5 FRONT TERMINAL KIT 6PC

ABB KT5F-6 - TMAX T5 FRONT TERMINAL KIT 6PC

MPN:KT5F-6

TMAX T5 FRONT TERMINAL KIT 6PC

$55.78$138.18

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

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ABB KT5FLD - FRONT LOCKING DEVICE T4-T5

ABB KT5FLD - FRONT LOCKING DEVICE T4-T5

MPN:KT5FLD

FRONT LOCKING DEVICE T4-T5

$50.08$124.08

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

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ABB KT5HTC-3 - HIGH TERM COVER T5 3P 2 PCS

ABB KT5HTC-3 - HIGH TERM COVER T5 3P 2 PCS

MPN:KT5HTC-3

HIGH TERM COVER T5 3P 2 PCS

$77.98$193.18

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

QTY:

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ABB KT5KLFD - KEYLOCK ROTARY HANDLE T4-T5

ABB KT5KLFD - KEYLOCK ROTARY HANDLE T4-T5

MPN:KT5KLFD

KEYLOCK ROTARY HANDLE T4-T5

$72.29$179.08

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

QTY:

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ABB KT5LTC-3 - LOW TERM COVER T5 3P 2 PCS

ABB KT5LTC-3 - LOW TERM COVER T5 3P 2 PCS

MPN:KT5LTC-3

LOW TERM COVER T5 3P 2 PCS

$74.56$184.72

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

QTY:

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ABB KT5M2 - MTR OPR T4-T5 220-250VAC/DC

ABB KT5M2 - MTR OPR T4-T5 220-250VAC/DC

MPN:KT5M2

MTR OPR T4-T5 220-250VAC/DC

$2,961.62$7,337.57

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

QTY:

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ABB KT5M4 - MTR OPR T4-T5 110-125VAC/DC

ABB KT5M4 - MTR OPR T4-T5 110-125VAC/DC

MPN:KT5M4

MTR OPR T4-T5 110-125VAC/DC

$2,781.05$7,337.57

You save 62%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

QTY:

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ABB KT5M8 - MTR OPR T4-T5 24VDC

ABB KT5M8 - MTR OPR T4-T5 24VDC

MPN:KT5M8

MTR OPR T4-T5 24VDC

$2,961.62$7,337.57

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

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ABB KT5MIR-HB - TMAX T4-T5 MECH INTLK FRM HORZ

ABB KT5MIR-HB - TMAX T4-T5 MECH INTLK FRM HORZ

MPN:KT5MIR-HB

TMAX T4-T5 MECH INTLK FRM HORZ

$608.95$1,508.70

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

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ABB KT5MIR-PD - TMAX T4-T5 MECH INTLK PLT D

ABB KT5MIR-PD - TMAX T4-T5 MECH INTLK PLT D

MPN:KT5MIR-PD

TMAX T4-T5 MECH INTLK PLT D

$261.23$647.18

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

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ABB KT5MIR-VB - MIR-VB T4-T5

ABB KT5MIR-VB - MIR-VB T4-T5

MPN:KT5MIR-VB

MIR-VB T4-T5

$730.74$1,810.42

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

QTY:

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ABB KT5MOLM - MOL-M T4-T5-T6 >MANUAL OPERATION

ABB KT5MOLM - MOL-M T4-T5-T6 >MANUAL OPERATION

MPN:KT5MOLM

MOL-M T4-T5-T6 >MANUAL OPERATION

$116.66$289.04

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

QTY:

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ABB KT5N12FLHDL10 - T5 F HDL N1,3R,12,4 MEC, 10F CBL

ABB KT5N12FLHDL10 - T5 F HDL N1,3R,12,4 MEC, 10F CBL

MPN:KT5N12FLHDL10

T5 F HDL N1,3R,12,4 MEC, 10F CBL

$779.11$1,930.27

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

QTY:

Compare

ABB KT5N12FLHDL4 - T5 F HDL N1,3R,12,4 MEC, 4F CBL

ABB KT5N12FLHDL4 - T5 F HDL N1,3R,12,4 MEC, 4F CBL

MPN:KT5N12FLHDL4

T5 F HDL N1,3R,12,4 MEC, 4F CBL

$725.63$1,797.74

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

QTY:

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ABB KT5N12FLHDL6 - T5 F HDL N1,3R,12,4 MEC, 6F CBL

ABB KT5N12FLHDL6 - T5 F HDL N1,3R,12,4 MEC, 6F CBL

MPN:KT5N12FLHDL6

T5 F HDL N1,3R,12,4 MEC, 6F CBL

$741.56$1,837.22

You save 60%

Low Stock (1)Ships within 1 business day

Subject to factory lead times

QTY:

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ABB KT5N4XFLHDL4 - T5 F HDL N1,3,12,4,4X, MEC, 4F CBL

ABB KT5N4XFLHDL4 - T5 F HDL N1,3,12,4,4X, MEC, 4F CBL

MPN:KT5N4XFLHDL4

T5 F HDL N1,3,12,4,4X, MEC, 4F CBL

$789.35$1,955.66

You save 60%

Should ship between 11 Nov and 18 Nov

Subject to factory lead times

QTY:

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