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.

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ABB

ABB KXT5HRVRFPUL4-3PC - Kit HR/VR FP XT5 400A 3pcs UL

MPN:KXT5HRVRFPUL4-3PC

Kit HR/VR FP XT5 400A 3pcs UL

$109.12$368.83

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT5HRVRFPUL4-4PC - Kit HR/VR FP XT5 400A 4pcs UL

MPN:KXT5HRVRFPUL4-4PC

Kit HR/VR FP XT5 400A 4pcs UL

$144.85$489.58

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT5HRVRIEC4-3PC - Kit HR/VR FP XT5 400A 3pcs IEC

MPN:KXT5HRVRIEC4-3PC

Kit HR/VR FP XT5 400A 3pcs IEC

$104.25$352.37

You save 70%

Should ship between 14 Nov and 21 Nov

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ABB

ABB KXT5HRVRIEC4-4PC - Kit HR/VR FP XT5 400A 4pcs IEC

MPN:KXT5HRVRIEC4-4PC

Kit HR/VR FP XT5 400A 4pcs IEC

$138.68$468.73

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT5HTC-3 - HTC XT5 3P

MPN:KXT5HTC-3

HTC XT5 3P

$46.76$158.07

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT5HTC-4 - HTC XT5 4p

MPN:KXT5HTC-4

HTC XT5 4p

$62.37$210.77

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT5HTCBS-3 - HTC_BS with back shield XT5 3p

MPN:KXT5HTCBS-3

HTC_BS with back shield XT5 3p

$58.46$197.59

You save 70%

Should ship between 14 Nov and 21 Nov

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ABB

ABB KXT5HTCBS-4 - HTC_BS with back shield XT5 4p

MPN:KXT5HTCBS-4

HTC_BS with back shield XT5 4p

$77.95$263.46

You save 70%

Should ship between 14 Nov and 21 Nov

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ABB

ABB KXT5HTCBSPH-3 - HTC BS PH XT5 3p

MPN:KXT5HTCBSPH-3

HTC BS PH XT5 3p

$87.70$296.38

You save 70%

Should ship between 14 Nov and 21 Nov

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ABB

ABB KXT5HTCBSPH-4 - HTC BS PH XT5 4p

MPN:KXT5HTCBSPH-4

HTC BS PH XT5 4p

$116.60$394.09

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT5HTCES-3 - HTC-ES XT5 3p

MPN:KXT5HTCES-3

HTC-ES XT5 3p

$81.84$276.62

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT5HTCES-4 - HTC-ES XT5 4p

MPN:KXT5HTCES-4

HTC-ES XT5 4p

$108.81$367.74

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT5HTCESBS-3 - HTC-ES_BS with back shield XT5 3p

MPN:KXT5HTCESBS-3

HTC-ES_BS with back shield XT5 3p

$102.32$345.79

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT5HTCESBS-4 - HTC-ES_BS with back shield XT5 4p

MPN:KXT5HTCESBS-4

HTC-ES_BS with back shield XT5 4p

$136.08$459.94

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT5HTCPH-3 - HTC XT5 3p - probe hole

MPN:KXT5HTCPH-3

HTC XT5 3p - probe hole

$70.16$237.11

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT5HTCPH-4 - HTC XT5 4p - probe hole

MPN:KXT5HTCPH-4

HTC XT5 4p - probe hole

$93.21$315.04

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT5HTCRC-4 - HTC - XT5 FP RC 4p

MPN:KXT5HTCRC-4

HTC - XT5 FP RC 4p

$62.37$210.77

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT5INSLPLTEF-3 - INSULATING PLATE XT5 FIXED 3P EF TERM.

MPN:KXT5INSLPLTEF-3

INSULATING PLATE XT5 FIXED 3P EF TERM.

$27.53$93.00

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT5IP54FLMOE-D - IP54 Flg different keys XT5 x MOE

MPN:KXT5IP54FLMOE-D

IP54 Flg different keys XT5 x MOE

$374.46$1,265.67

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT5IP54FLMOE-S - IP54 Flange same keys XT5 x MOE

MPN:KXT5IP54FLMOE-S

IP54 Flange same keys XT5 x MOE

$374.46$1,265.67

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT5IP54RH - IP54RHD XT5 PROTECT. IP54 ROT.HANDL

MPN:KXT5IP54RH

IP54RHD XT5 PROTECT. IP54 ROT.HANDL

$49.37$166.86

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT5LTC-3 - LTC XT5 3P TERMINAL COVERS LOW 2PCS

MPN:KXT5LTC-3

LTC XT5 3P TERMINAL COVERS LOW 2PCS

$44.83$151.48

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT5LTC-4 - LTC XT5 4p TERMINAL COVERS LOW 2pcs

MPN:KXT5LTC-4

LTC XT5 4p TERMINAL COVERS LOW 2pcs

$59.76$201.98

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT5MIR400PW - MIR-P x XT5 P/W 400A FP

MPN:KXT5MIR400PW

MIR-P x XT5 P/W 400A FP

$46.76$158.07

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT5HRVRFPUL4-3PC - Kit HR/VR FP XT5 400A 3pcs UL

MPN:KXT5HRVRFPUL4-3PC

Kit HR/VR FP XT5 400A 3pcs UL

$109.12$368.83

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT5HRVRFPUL4-4PC - Kit HR/VR FP XT5 400A 4pcs UL

MPN:KXT5HRVRFPUL4-4PC

Kit HR/VR FP XT5 400A 4pcs UL

$144.85$489.58

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT5HRVRIEC4-3PC - Kit HR/VR FP XT5 400A 3pcs IEC

MPN:KXT5HRVRIEC4-3PC

Kit HR/VR FP XT5 400A 3pcs IEC

$104.25$352.37

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT5HRVRIEC4-4PC - Kit HR/VR FP XT5 400A 4pcs IEC

MPN:KXT5HRVRIEC4-4PC

Kit HR/VR FP XT5 400A 4pcs IEC

$138.68$468.73

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

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ABB

ABB KXT5HTC-3 - HTC XT5 3P

MPN:KXT5HTC-3

HTC XT5 3P

$46.76$158.07

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

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ABB

ABB KXT5HTC-4 - HTC XT5 4p

MPN:KXT5HTC-4

HTC XT5 4p

$62.37$210.77

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

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ABB

ABB KXT5HTCBS-3 - HTC_BS with back shield XT5 3p

MPN:KXT5HTCBS-3

HTC_BS with back shield XT5 3p

$58.46$197.59

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT5HTCBS-4 - HTC_BS with back shield XT5 4p

MPN:KXT5HTCBS-4

HTC_BS with back shield XT5 4p

$77.95$263.46

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT5HTCBSPH-3 - HTC BS PH XT5 3p

MPN:KXT5HTCBSPH-3

HTC BS PH XT5 3p

$87.70$296.38

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT5HTCBSPH-4 - HTC BS PH XT5 4p

MPN:KXT5HTCBSPH-4

HTC BS PH XT5 4p

$116.60$394.09

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT5HTCES-3 - HTC-ES XT5 3p

MPN:KXT5HTCES-3

HTC-ES XT5 3p

$81.84$276.62

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT5HTCES-4 - HTC-ES XT5 4p

MPN:KXT5HTCES-4

HTC-ES XT5 4p

$108.81$367.74

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT5HTCESBS-3 - HTC-ES_BS with back shield XT5 3p

MPN:KXT5HTCESBS-3

HTC-ES_BS with back shield XT5 3p

$102.32$345.79

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT5HTCESBS-4 - HTC-ES_BS with back shield XT5 4p

MPN:KXT5HTCESBS-4

HTC-ES_BS with back shield XT5 4p

$136.08$459.94

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT5HTCPH-3 - HTC XT5 3p - probe hole

MPN:KXT5HTCPH-3

HTC XT5 3p - probe hole

$70.16$237.11

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT5HTCPH-4 - HTC XT5 4p - probe hole

MPN:KXT5HTCPH-4

HTC XT5 4p - probe hole

$93.21$315.04

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

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ABB

ABB KXT5HTCRC-4 - HTC - XT5 FP RC 4p

MPN:KXT5HTCRC-4

HTC - XT5 FP RC 4p

$62.37$210.77

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

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ABB

ABB KXT5INSLPLTEF-3 - INSULATING PLATE XT5 FIXED 3P EF TERM.

MPN:KXT5INSLPLTEF-3

INSULATING PLATE XT5 FIXED 3P EF TERM.

$27.53$93.00

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT5IP54FLMOE-D - IP54 Flg different keys XT5 x MOE

MPN:KXT5IP54FLMOE-D

IP54 Flg different keys XT5 x MOE

$374.46$1,265.67

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT5IP54FLMOE-S - IP54 Flange same keys XT5 x MOE

MPN:KXT5IP54FLMOE-S

IP54 Flange same keys XT5 x MOE

$374.46$1,265.67

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT5IP54RH - IP54RHD XT5 PROTECT. IP54 ROT.HANDL

MPN:KXT5IP54RH

IP54RHD XT5 PROTECT. IP54 ROT.HANDL

$49.37$166.86

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT5LTC-3 - LTC XT5 3P TERMINAL COVERS LOW 2PCS

MPN:KXT5LTC-3

LTC XT5 3P TERMINAL COVERS LOW 2PCS

$44.83$151.48

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT5LTC-4 - LTC XT5 4p TERMINAL COVERS LOW 2pcs

MPN:KXT5LTC-4

LTC XT5 4p TERMINAL COVERS LOW 2pcs

$59.76$201.98

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT5MIR400PW - MIR-P x XT5 P/W 400A FP

MPN:KXT5MIR400PW

MIR-P x XT5 P/W 400A FP

$46.76$158.07

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Results Per Page

Molded Case Circuit Breakers - ABB

MCCB Features

Choosing an MCCB

$109.12$368.83

$144.85$489.58

$104.25$352.37

$138.68$468.73

$46.76$158.07

$62.37$210.77

$58.46$197.59

$77.95$263.46

$87.70$296.38

$116.60$394.09

$81.84$276.62

$108.81$367.74

$102.32$345.79

$136.08$459.94

$70.16$237.11

$93.21$315.04

$62.37$210.77

$27.53$93.00

$374.46$1,265.67

$374.46$1,265.67

$49.37$166.86

$44.83$151.48

$59.76$201.98

$46.76$158.07

$109.12$368.83

$144.85$489.58

$104.25$352.37

$138.68$468.73

$46.76$158.07

$62.37$210.77

$58.46$197.59

$77.95$263.46

$87.70$296.38

$116.60$394.09

$81.84$276.62

$108.81$367.74

$102.32$345.79

$136.08$459.94

$70.16$237.11

$93.21$315.04

$62.37$210.77

$27.53$93.00

$374.46$1,265.67

$374.46$1,265.67

$49.37$166.86

$44.83$151.48

$59.76$201.98

$46.76$158.07

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