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 KXT7FLHDLMECH - FH XT7 BREAKER MECHANISM

MPN:KXT7FLHDLMECH

FH XT7 BREAKER MECHANISM

$271.61$918.00

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT7HRVRW-3PC - KIT HR/VR XT7-XT7M W FP 3PCS

MPN:KXT7HRVRW-3PC

KIT HR/VR XT7-XT7M W FP 3PCS

$245.85$830.98

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT7HRVRW-4PC - KIT HR/VR XT7-XT7M W FP 4PCS

MPN:KXT7HRVRW-4PC

KIT HR/VR XT7-XT7M W FP 4PCS

$307.24$1,038.45

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT7HTC2PCS-3 - HTC - XT7/XT7M 3p 2pcs

MPN:KXT7HTC2PCS-3

HTC - XT7/XT7M 3p 2pcs

$77.95$263.46

You save 70%

Should ship between 14 Nov and 21 Nov

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ABB

ABB KXT7HTC2PCS-4 - HTC - XT7/XT7M 4p 2pcs

MPN:KXT7HTC2PCS-4

HTC - XT7/XT7M 4p 2pcs

$103.93$351.27

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT7HTCES-4 - HTC-ES XT7 4p

MPN:KXT7HTCES-4

HTC-ES XT7 4p

$156.55$529.11

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT7HTCESBS-3 - HTC-ES_BS with back shield XT7 3p

MPN:KXT7HTCESBS-3

HTC-ES_BS with back shield XT7 3p

$147.12$497.27

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT7HTCESBS-4 - HTC-ES_BS with back shield XT7 4p

MPN:KXT7HTCESBS-4

HTC-ES_BS with back shield XT7 4p

$195.52$660.83

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT7IP54RH - IP54RHD XT7 PROTECT. IP54 ROT.HANDL

MPN:KXT7IP54RH

IP54RHD XT7 PROTECT. IP54 ROT.HANDL

$132.50$447.87

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT7KLCACSTL - KLC-A CASTELL KEY LOCK OPEN XT7

MPN:KXT7KLCACSTL

KLC-A CASTELL KEY LOCK OPEN XT7

$80.22$271.14

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT7KLCAKIRK - KLC-A KEY LOCK OPEN KIRK XT7

MPN:KXT7KLCAKIRK

KLC-A KEY LOCK OPEN KIRK XT7

$80.22$271.14

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT7KLCAR1104 - KLC-A Key lock open RONIS 1104 XT7

MPN:KXT7KLCAR1104

KLC-A Key lock open RONIS 1104 XT7

$80.22$271.14

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT7KLCASTI - KLC-A KEY LOCK OPEN STI XT7

MPN:KXT7KLCASTI

KLC-A KEY LOCK OPEN STI XT7

$80.22$271.14

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT7KLCCBA - KLC XT7 KE.LO. RONIS EQ.A 1228 OPxB

MPN:KXT7KLCCBA

KLC XT7 KE.LO. RONIS EQ.A 1228 OPxB

$185.77$627.90

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT7KLCCBB - KLC XT7 KE.LO. RONIS EQ.B 1228 OPxB

MPN:KXT7KLCCBB

KLC XT7 KE.LO. RONIS EQ.B 1228 OPxB

$185.77$627.90

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT7KLCCBC - KLC XT7 KE.LO. RONIS EQ.C 1228 OPxB

MPN:KXT7KLCCBC

KLC XT7 KE.LO. RONIS EQ.C 1228 OPxB

$185.77$627.90

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT7KLCCBD - KLC XT7 KE.LO. RONIS EQ.D 1228 OPxB

MPN:KXT7KLCCBD

KLC XT7 KE.LO. RONIS EQ.D 1228 OPxB

$185.77$627.90

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT7KLCCBDIF - KLC XT7 KE.LO. RONIS SE.1228 xCB

MPN:KXT7KLCCBDIF

KLC XT7 KE.LO. RONIS SE.1228 xCB

$185.77$627.90

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT7KLCCBOPCL - KLC XT7 K.L.RONIS SE.O/C1228 xCB

MPN:KXT7KLCCBOPCL

KLC XT7 K.L.RONIS SE.O/C1228 xCB

$185.77$627.90

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT7LTC-3 - LTCXT7/XT7 M F 3P 2PCS

MPN:KXT7LTC-3

LTCXT7/XT7 M F 3P 2PCS

$45.80$154.78

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT7LTC-4 - LTC XT7/XT7 M F 4P 2PCS

MPN:KXT7LTC-4

LTC XT7/XT7 M F 4P 2PCS

$52.29$176.74

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT7LTCW-3 - LTC XT7/XT7M 3P 2PCS W

MPN:KXT7LTCW-3

LTC XT7/XT7M 3P 2PCS W

$45.80$154.78

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT7LTCW-4 - LTC XT7/XT7M 4P 2PCS W

MPN:KXT7LTCW-4

LTC XT7/XT7M 4P 2PCS W

$52.29$176.74

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT7MAUX2S33M2 - AUX-SC S33 M/2 250V AC/DC XT7M

MPN:KXT7MAUX2S33M2

AUX-SC S33 M/2 250V AC/DC XT7M

$120.17$406.16

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

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ABB

ABB KXT7FLHDLMECH - FH XT7 BREAKER MECHANISM

MPN:KXT7FLHDLMECH

FH XT7 BREAKER MECHANISM

$271.61$918.00

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT7HRVRW-3PC - KIT HR/VR XT7-XT7M W FP 3PCS

MPN:KXT7HRVRW-3PC

KIT HR/VR XT7-XT7M W FP 3PCS

$245.85$830.98

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT7HRVRW-4PC - KIT HR/VR XT7-XT7M W FP 4PCS

MPN:KXT7HRVRW-4PC

KIT HR/VR XT7-XT7M W FP 4PCS

$307.24$1,038.45

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT7HTC2PCS-3 - HTC - XT7/XT7M 3p 2pcs

MPN:KXT7HTC2PCS-3

HTC - XT7/XT7M 3p 2pcs

$77.95$263.46

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT7HTC2PCS-4 - HTC - XT7/XT7M 4p 2pcs

MPN:KXT7HTC2PCS-4

HTC - XT7/XT7M 4p 2pcs

$103.93$351.27

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT7HTCES-4 - HTC-ES XT7 4p

MPN:KXT7HTCES-4

HTC-ES XT7 4p

$156.55$529.11

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT7HTCESBS-3 - HTC-ES_BS with back shield XT7 3p

MPN:KXT7HTCESBS-3

HTC-ES_BS with back shield XT7 3p

$147.12$497.27

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT7HTCESBS-4 - HTC-ES_BS with back shield XT7 4p

MPN:KXT7HTCESBS-4

HTC-ES_BS with back shield XT7 4p

$195.52$660.83

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT7IP54RH - IP54RHD XT7 PROTECT. IP54 ROT.HANDL

MPN:KXT7IP54RH

IP54RHD XT7 PROTECT. IP54 ROT.HANDL

$132.50$447.87

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT7KLCACSTL - KLC-A CASTELL KEY LOCK OPEN XT7

MPN:KXT7KLCACSTL

KLC-A CASTELL KEY LOCK OPEN XT7

$80.22$271.14

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT7KLCAKIRK - KLC-A KEY LOCK OPEN KIRK XT7

MPN:KXT7KLCAKIRK

KLC-A KEY LOCK OPEN KIRK XT7

$80.22$271.14

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT7KLCAR1104 - KLC-A Key lock open RONIS 1104 XT7

MPN:KXT7KLCAR1104

KLC-A Key lock open RONIS 1104 XT7

$80.22$271.14

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT7KLCASTI - KLC-A KEY LOCK OPEN STI XT7

MPN:KXT7KLCASTI

KLC-A KEY LOCK OPEN STI XT7

$80.22$271.14

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT7KLCCBA - KLC XT7 KE.LO. RONIS EQ.A 1228 OPxB

MPN:KXT7KLCCBA

KLC XT7 KE.LO. RONIS EQ.A 1228 OPxB

$185.77$627.90

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT7KLCCBB - KLC XT7 KE.LO. RONIS EQ.B 1228 OPxB

MPN:KXT7KLCCBB

KLC XT7 KE.LO. RONIS EQ.B 1228 OPxB

$185.77$627.90

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT7KLCCBC - KLC XT7 KE.LO. RONIS EQ.C 1228 OPxB

MPN:KXT7KLCCBC

KLC XT7 KE.LO. RONIS EQ.C 1228 OPxB

$185.77$627.90

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT7KLCCBD - KLC XT7 KE.LO. RONIS EQ.D 1228 OPxB

MPN:KXT7KLCCBD

KLC XT7 KE.LO. RONIS EQ.D 1228 OPxB

$185.77$627.90

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT7KLCCBDIF - KLC XT7 KE.LO. RONIS SE.1228 xCB

MPN:KXT7KLCCBDIF

KLC XT7 KE.LO. RONIS SE.1228 xCB

$185.77$627.90

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT7KLCCBOPCL - KLC XT7 K.L.RONIS SE.O/C1228 xCB

MPN:KXT7KLCCBOPCL

KLC XT7 K.L.RONIS SE.O/C1228 xCB

$185.77$627.90

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT7LTC-3 - LTCXT7/XT7 M F 3P 2PCS

MPN:KXT7LTC-3

LTCXT7/XT7 M F 3P 2PCS

$45.80$154.78

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT7LTC-4 - LTC XT7/XT7 M F 4P 2PCS

MPN:KXT7LTC-4

LTC XT7/XT7 M F 4P 2PCS

$52.29$176.74

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT7LTCW-3 - LTC XT7/XT7M 3P 2PCS W

MPN:KXT7LTCW-3

LTC XT7/XT7M 3P 2PCS W

$45.80$154.78

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT7LTCW-4 - LTC XT7/XT7M 4P 2PCS W

MPN:KXT7LTCW-4

LTC XT7/XT7M 4P 2PCS W

$52.29$176.74

You save 70%

Should ship between 14 Nov and 21 Nov

Subject to factory lead times

QTY:

Compare

ABB

ABB KXT7MAUX2S33M2 - AUX-SC S33 M/2 250V AC/DC XT7M

MPN:KXT7MAUX2S33M2

AUX-SC S33 M/2 250V AC/DC XT7M

$120.17$406.16

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

$271.61$918.00

$245.85$830.98

$307.24$1,038.45

$77.95$263.46

$103.93$351.27

$156.55$529.11

$147.12$497.27

$195.52$660.83

$132.50$447.87

$80.22$271.14

$80.22$271.14

$80.22$271.14

$80.22$271.14

$185.77$627.90

$185.77$627.90

$185.77$627.90

$185.77$627.90

$185.77$627.90

$185.77$627.90

$45.80$154.78

$52.29$176.74

$45.80$154.78

$52.29$176.74

$120.17$406.16

$271.61$918.00

$245.85$830.98

$307.24$1,038.45

$77.95$263.46

$103.93$351.27

$156.55$529.11

$147.12$497.27

$195.52$660.83

$132.50$447.87

$80.22$271.14

$80.22$271.14

$80.22$271.14

$80.22$271.14

$185.77$627.90

$185.77$627.90

$185.77$627.90

$185.77$627.90

$185.77$627.90

$185.77$627.90

$45.80$154.78

$52.29$176.74

$45.80$154.78

$52.29$176.74

$120.17$406.16

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