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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AUP-R XT5-XT6 P/W 1 RO cont. 24V

$30.86$104.29

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

AUP-T XT5-XT6 W 1 Test contact 24V

$30.86$104.29

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

AUP-R XT5-XT6 P/W 1 RO cont. 250V

$30.86$104.29

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

AUP-T XT5-XT6 W 1 Test contact 250V

$30.86$104.29

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

Cable Rack for XT5-XT6

$42.22$142.71

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

AUE XT5 F/P 2 CONTACTS IN CH x RHx

$98.41$332.61

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

AUE XT5 W 2 CONTACTS IN CH x RHx

$108.81$367.74

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

AUP-I XT5-XT6 P/W 3 RI 24V

$87.70$296.38

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

AUP-I XT5-XT6 P/W 3 RI 250V
Requires Quote
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

KL_A RONIS 1104FP XT5-XT6

$32.81$110.87

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

KL_A STI ARRANGEMENT FP XT5-XT6

$32.81$110.87

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

KLC-A KEY LOCK OPEN KIRK XT5-XT6

$133.49$451.16

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

KLC-A KL open RONIS 1104 XT5-XT6

$133.49$451.16

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

KLC-A Key lock open STI XT5-XT6

$133.49$451.16

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

KLC XT5-XT6 KL RONIS EQ.A 1228 OPxB

$148.11$500.57

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

KLC XT5-XT6 KL RONIS EQ.B 1228 OPxB

$148.11$500.57

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

KLC XT5-XT6 KL RONIS EQ.C 1228 OPxB

$148.11$500.57

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

KLC XT5-XT6 KL RONIS EQ.D 1228 OPxB

$148.11$500.57

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

KLC XT5-XT6 KL RONIS SE.1228 XCB

$148.11$500.57

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

KLC XT5-XT6 KL RONIS SE.O/C1228 xCB

$148.11$500.57

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

KL-D GIUS FP W XT5-XT6 KEY LO.EQ.

$49.70$167.95

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

KL-D RONIS FP W XT5-XT6 SEV.1228

$49.70$167.95

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

KL-S GIUSSANI FP W XT5-XT6 EQ.

$49.70$167.95

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

KL-S RONIS FP W XT5-XT6 EQ.1228 A

$49.70$167.95

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

AUP-R XT5-XT6 P/W 1 RO cont. 24V

$30.86$104.29

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

AUP-T XT5-XT6 W 1 Test contact 24V

$30.86$104.29

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

AUP-R XT5-XT6 P/W 1 RO cont. 250V

$30.86$104.29

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

AUP-T XT5-XT6 W 1 Test contact 250V

$30.86$104.29

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

Cable Rack for XT5-XT6

$42.22$142.71

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

AUE XT5 F/P 2 CONTACTS IN CH x RHx

$98.41$332.61

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

AUE XT5 W 2 CONTACTS IN CH x RHx

$108.81$367.74

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

AUP-I XT5-XT6 P/W 3 RI 24V

$87.70$296.38

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

AUP-I XT5-XT6 P/W 3 RI 250V
Requires Quote
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

KL_A RONIS 1104FP XT5-XT6

$32.81$110.87

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

KL_A STI ARRANGEMENT FP XT5-XT6

$32.81$110.87

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

KLC-A KEY LOCK OPEN KIRK XT5-XT6

$133.49$451.16

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

KLC-A KL open RONIS 1104 XT5-XT6

$133.49$451.16

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

KLC-A Key lock open STI XT5-XT6

$133.49$451.16

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

KLC XT5-XT6 KL RONIS EQ.A 1228 OPxB

$148.11$500.57

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

KLC XT5-XT6 KL RONIS EQ.B 1228 OPxB

$148.11$500.57

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

KLC XT5-XT6 KL RONIS EQ.C 1228 OPxB

$148.11$500.57

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

KLC XT5-XT6 KL RONIS EQ.D 1228 OPxB

$148.11$500.57

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

KLC XT5-XT6 KL RONIS SE.1228 XCB

$148.11$500.57

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

KLC XT5-XT6 KL RONIS SE.O/C1228 xCB

$148.11$500.57

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

KL-D GIUS FP W XT5-XT6 KEY LO.EQ.

$49.70$167.95

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

KL-D RONIS FP W XT5-XT6 SEV.1228

$49.70$167.95

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

KL-S GIUSSANI FP W XT5-XT6 EQ.

$49.70$167.95

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

KL-S RONIS FP W XT5-XT6 EQ.1228 A

$49.70$167.95

You save 70%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times