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Centro, Inc.Centro, Inc.
(800) 238-6672
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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 XT5NU440ATFF000XXX - XT5N 400 E.HI-T LSI 400 4p UL
ABB
ABB XT5NU440ATFF000XXX - XT5N 400 E.HI-T LSI 400 4p UL
MPN:XT5NU440ATFF000XXX
XT5N 400 E.HI-T LSI 400 4p UL

$6,104.38$16,506.45

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU440AUFF000XXX - XT5N 400 E.HI-T LSIG 400 4p UL
ABB
ABB XT5NU440AUFF000XXX - XT5N 400 E.HI-T LSIG 400 4p UL
MPN:XT5NU440AUFF000XXX
XT5N 400 E.HI-T LSIG 400 4p UL

$7,325.09$19,807.30

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU440AXFF000XXX - XT5N 400 E.GDIP LS/I 400 4p UL
ABB
ABB XT5NU440AXFF000XXX - XT5N 400 E.GDIP LS/I 400 4p UL
MPN:XT5NU440AXFF000XXX
XT5N 400 E.GDIP LS/I 400 4p UL

$3,419.39$9,246.12

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU440AYFF000XXX - XT5N 400 E.GTCH LSIG 400 4p UL
ABB
ABB XT5NU440AYFF000XXX - XT5N 400 E.GTCH LSIG 400 4p UL
MPN:XT5NU440AYFF000XXX
XT5N 400 E.GTCH LSIG 400 4p UL

$6,369.47$17,223.27

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU440AZFF000XXX - XT5N 400 E.GHI-TCH LSIG 400 4p UL
ABB
ABB XT5NU440AZFF000XXX - XT5N 400 E.GHI-TCH LSIG 400 4p UL
MPN:XT5NU440AZFF000XXX
XT5N 400 E.GHI-TCH LSIG 400 4p UL

$9,156.37$24,759.13

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU440BPFF000XXX - XT5N 600 E.TCH LSI 400 4p UL/CSA
ABB
ABB XT5NU440BPFF000XXX - XT5N 600 E.TCH LSI 400 4p UL/CSA
MPN:XT5NU440BPFF000XXX
XT5N 600 E.TCH LSI 400 4p UL/CSA

$6,309.39$17,060.80

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU440BQFF000XXX - XT5N 600 E.TCH LSIG 400 4p UL/CSA
ABB
ABB XT5NU440BQFF000XXX - XT5N 600 E.TCH LSIG 400 4p UL/CSA
MPN:XT5NU440BQFF000XXX
XT5N 600 E.TCH LSIG 400 4p UL/CSA

$7,570.70$20,471.43

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU440BRFF000XXX - XT5N 600 E.TCHM LSI 400 4p UL/CSA
ABB
ABB XT5NU440BRFF000XXX - XT5N 600 E.TCHM LSI 400 4p UL/CSA
MPN:XT5NU440BRFF000XXX
XT5N 600 E.TCHM LSI 400 4p UL/CSA

$7,255.68$19,619.60

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU440BSFF000XXX - XT5N 600 E.TCHM LSIG 400 4p UL/CSA
ABB
ABB XT5NU440BSFF000XXX - XT5N 600 E.TCHM LSIG 400 4p UL/CSA
MPN:XT5NU440BSFF000XXX
XT5N 600 E.TCHM LSIG 400 4p UL/CSA

$8,706.57$23,542.86

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU440BTFF000XXX - XT5N 600 E.HI-T LSI 400 4p UL/CSA
ABB
ABB XT5NU440BTFF000XXX - XT5N 600 E.HI-T LSI 400 4p UL/CSA
MPN:XT5NU440BTFF000XXX
XT5N 600 E.HI-T LSI 400 4p UL/CSA

$9,069.09$24,523.12

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU440BUFF000XXX - XT5N 600 E.HI-T LSIG 400 4p UL/CSA
ABB
ABB XT5NU440BUFF000XXX - XT5N 600 E.HI-T LSIG 400 4p UL/CSA
MPN:XT5NU440BUFF000XXX
XT5N 600 E.HI-T LSIG 400 4p UL/CSA

$10,882.90$29,427.74

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU440BXFF000XXX - XT5N 600 E.GDIP LS/I 400 4p UL/CSA
ABB
ABB XT5NU440BXFF000XXX - XT5N 600 E.GDIP LS/I 400 4p UL/CSA
MPN:XT5NU440BXFF000XXX
XT5N 600 E.GDIP LS/I 400 4p UL/CSA

$5,079.74$13,735.81

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU440BYFF000XXX - XT5N 600 E.GTCH LSIG 400 4p UL/CSA
ABB
ABB XT5NU440BYFF000XXX - XT5N 600 E.GTCH LSIG 400 4p UL/CSA
MPN:XT5NU440BYFF000XXX
XT5N 600 E.GTCH LSIG 400 4p UL/CSA

$9,463.68$25,590.11

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU440BZFF000XXX - XT5N 600 E.GHI-TCH LSIG 400 4p UL
ABB
ABB XT5NU440BZFF000XXX - XT5N 600 E.GHI-TCH LSIG 400 4p UL
MPN:XT5NU440BZFF000XXX
XT5N 600 E.GHI-TCH LSIG 400 4p UL

$13,603.63$36,784.68

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Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU450BBFF000XXX - XT5N 600 TMA 500 4p UL
ABB
ABB XT5NU450BBFF000XXX - XT5N 600 TMA 500 4p UL
MPN:XT5NU450BBFF000XXX
XT5N 600 TMA 500 4p UL

$3,556.60$9,617.15

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU450BNFF000XXX - XT5N 600 TMG 500 4p UL
ABB
ABB XT5NU450BNFF000XXX - XT5N 600 TMG 500 4p UL
MPN:XT5NU450BNFF000XXX
XT5N 600 TMG 500 4p UL

$3,556.60$9,617.15

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU460BBFF000XXX - XT5N 600 TMA 600 4p UL
ABB
ABB XT5NU460BBFF000XXX - XT5N 600 TMA 600 4p UL
MPN:XT5NU460BBFF000XXX
XT5N 600 TMA 600 4p UL

$3,743.75$10,123.20

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU460BCFF000XXX - XT5N 600 E.DIP LIG 600 4p UL
ABB
ABB XT5NU460BCFF000XXX - XT5N 600 E.DIP LIG 600 4p UL
MPN:XT5NU460BCFF000XXX
XT5N 600 E.DIP LIG 600 4p UL

$4,972.58$13,446.01

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Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU460BDFF000XXX - XT5N-D 600 MCS 4p F F UL/CSA
ABB
ABB XT5NU460BDFF000XXX - XT5N-D 600 MCS 4p F F UL/CSA
MPN:XT5NU460BDFF000XXX
XT5N-D 600 MCS 4p F F UL/CSA

$2,059.02$5,567.65

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU460BEFF000XXX - XT5N 600 E.DIP LS/I 600 4p UL
ABB
ABB XT5NU460BEFF000XXX - XT5N 600 E.DIP LS/I 600 4p UL
MPN:XT5NU460BEFF000XXX
XT5N 600 E.DIP LS/I 600 4p UL

$4,323.86$11,691.84

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU460BFFF000XXX - XT5N 600 E.DIP LSI 600 4p UL
ABB
ABB XT5NU460BFFF000XXX - XT5N 600 E.DIP LSI 600 4p UL
MPN:XT5NU460BFFF000XXX
XT5N 600 E.DIP LSI 600 4p UL

$4,972.58$13,446.01

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU460BGFF000XXX - XT5N 600 E.DIP LSIG 600 4p UL
ABB
ABB XT5NU460BGFF000XXX - XT5N 600 E.DIP LSIG 600 4p UL
MPN:XT5NU460BGFF000XXX
XT5N 600 E.DIP LSIG 600 4p UL

$5,966.77$16,134.32

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU460BNFF000XXX - XT5N 600 TMG 600 4p UL
ABB
ABB XT5NU460BNFF000XXX - XT5N 600 TMG 600 4p UL
MPN:XT5NU460BNFF000XXX
XT5N 600 TMG 600 4p UL

$3,743.75$10,123.20

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU460BPFF000XXX - XT5N 600 E.TCH LSI 600 4p UL
ABB
ABB XT5NU460BPFF000XXX - XT5N 600 E.TCH LSI 600 4p UL
MPN:XT5NU460BPFF000XXX
XT5N 600 E.TCH LSI 600 4p UL

$6,309.39$17,060.80

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU440ATFF000XXX - XT5N 400 E.HI-T LSI 400 4p UL
ABB
ABB XT5NU440ATFF000XXX - XT5N 400 E.HI-T LSI 400 4p UL
MPN:XT5NU440ATFF000XXX
XT5N 400 E.HI-T LSI 400 4p UL

$6,104.38$16,506.45

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU440AUFF000XXX - XT5N 400 E.HI-T LSIG 400 4p UL
ABB
ABB XT5NU440AUFF000XXX - XT5N 400 E.HI-T LSIG 400 4p UL
MPN:XT5NU440AUFF000XXX
XT5N 400 E.HI-T LSIG 400 4p UL

$7,325.09$19,807.30

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU440AXFF000XXX - XT5N 400 E.GDIP LS/I 400 4p UL
ABB
ABB XT5NU440AXFF000XXX - XT5N 400 E.GDIP LS/I 400 4p UL
MPN:XT5NU440AXFF000XXX
XT5N 400 E.GDIP LS/I 400 4p UL

$3,419.39$9,246.12

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU440AYFF000XXX - XT5N 400 E.GTCH LSIG 400 4p UL
ABB
ABB XT5NU440AYFF000XXX - XT5N 400 E.GTCH LSIG 400 4p UL
MPN:XT5NU440AYFF000XXX
XT5N 400 E.GTCH LSIG 400 4p UL

$6,369.47$17,223.27

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU440AZFF000XXX - XT5N 400 E.GHI-TCH LSIG 400 4p UL
ABB
ABB XT5NU440AZFF000XXX - XT5N 400 E.GHI-TCH LSIG 400 4p UL
MPN:XT5NU440AZFF000XXX
XT5N 400 E.GHI-TCH LSIG 400 4p UL

$9,156.37$24,759.13

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU440BPFF000XXX - XT5N 600 E.TCH LSI 400 4p UL/CSA
ABB
ABB XT5NU440BPFF000XXX - XT5N 600 E.TCH LSI 400 4p UL/CSA
MPN:XT5NU440BPFF000XXX
XT5N 600 E.TCH LSI 400 4p UL/CSA

$6,309.39$17,060.80

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU440BQFF000XXX - XT5N 600 E.TCH LSIG 400 4p UL/CSA
ABB
ABB XT5NU440BQFF000XXX - XT5N 600 E.TCH LSIG 400 4p UL/CSA
MPN:XT5NU440BQFF000XXX
XT5N 600 E.TCH LSIG 400 4p UL/CSA

$7,570.70$20,471.43

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU440BRFF000XXX - XT5N 600 E.TCHM LSI 400 4p UL/CSA
ABB
ABB XT5NU440BRFF000XXX - XT5N 600 E.TCHM LSI 400 4p UL/CSA
MPN:XT5NU440BRFF000XXX
XT5N 600 E.TCHM LSI 400 4p UL/CSA

$7,255.68$19,619.60

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU440BSFF000XXX - XT5N 600 E.TCHM LSIG 400 4p UL/CSA
ABB
ABB XT5NU440BSFF000XXX - XT5N 600 E.TCHM LSIG 400 4p UL/CSA
MPN:XT5NU440BSFF000XXX
XT5N 600 E.TCHM LSIG 400 4p UL/CSA

$8,706.57$23,542.86

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU440BTFF000XXX - XT5N 600 E.HI-T LSI 400 4p UL/CSA
ABB
ABB XT5NU440BTFF000XXX - XT5N 600 E.HI-T LSI 400 4p UL/CSA
MPN:XT5NU440BTFF000XXX
XT5N 600 E.HI-T LSI 400 4p UL/CSA

$9,069.09$24,523.12

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU440BUFF000XXX - XT5N 600 E.HI-T LSIG 400 4p UL/CSA
ABB
ABB XT5NU440BUFF000XXX - XT5N 600 E.HI-T LSIG 400 4p UL/CSA
MPN:XT5NU440BUFF000XXX
XT5N 600 E.HI-T LSIG 400 4p UL/CSA

$10,882.90$29,427.74

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU440BXFF000XXX - XT5N 600 E.GDIP LS/I 400 4p UL/CSA
ABB
ABB XT5NU440BXFF000XXX - XT5N 600 E.GDIP LS/I 400 4p UL/CSA
MPN:XT5NU440BXFF000XXX
XT5N 600 E.GDIP LS/I 400 4p UL/CSA

$5,079.74$13,735.81

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU440BYFF000XXX - XT5N 600 E.GTCH LSIG 400 4p UL/CSA
ABB
ABB XT5NU440BYFF000XXX - XT5N 600 E.GTCH LSIG 400 4p UL/CSA
MPN:XT5NU440BYFF000XXX
XT5N 600 E.GTCH LSIG 400 4p UL/CSA

$9,463.68$25,590.11

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU440BZFF000XXX - XT5N 600 E.GHI-TCH LSIG 400 4p UL
ABB
ABB XT5NU440BZFF000XXX - XT5N 600 E.GHI-TCH LSIG 400 4p UL
MPN:XT5NU440BZFF000XXX
XT5N 600 E.GHI-TCH LSIG 400 4p UL

$13,603.63$36,784.68

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU450BBFF000XXX - XT5N 600 TMA 500 4p UL
ABB
ABB XT5NU450BBFF000XXX - XT5N 600 TMA 500 4p UL
MPN:XT5NU450BBFF000XXX
XT5N 600 TMA 500 4p UL

$3,556.60$9,617.15

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU450BNFF000XXX - XT5N 600 TMG 500 4p UL
ABB
ABB XT5NU450BNFF000XXX - XT5N 600 TMG 500 4p UL
MPN:XT5NU450BNFF000XXX
XT5N 600 TMG 500 4p UL

$3,556.60$9,617.15

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU460BBFF000XXX - XT5N 600 TMA 600 4p UL
ABB
ABB XT5NU460BBFF000XXX - XT5N 600 TMA 600 4p UL
MPN:XT5NU460BBFF000XXX
XT5N 600 TMA 600 4p UL

$3,743.75$10,123.20

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU460BCFF000XXX - XT5N 600 E.DIP LIG 600 4p UL
ABB
ABB XT5NU460BCFF000XXX - XT5N 600 E.DIP LIG 600 4p UL
MPN:XT5NU460BCFF000XXX
XT5N 600 E.DIP LIG 600 4p UL

$4,972.58$13,446.01

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU460BDFF000XXX - XT5N-D 600 MCS 4p F F UL/CSA
ABB
ABB XT5NU460BDFF000XXX - XT5N-D 600 MCS 4p F F UL/CSA
MPN:XT5NU460BDFF000XXX
XT5N-D 600 MCS 4p F F UL/CSA

$2,059.02$5,567.65

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU460BEFF000XXX - XT5N 600 E.DIP LS/I 600 4p UL
ABB
ABB XT5NU460BEFF000XXX - XT5N 600 E.DIP LS/I 600 4p UL
MPN:XT5NU460BEFF000XXX
XT5N 600 E.DIP LS/I 600 4p UL

$4,323.86$11,691.84

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU460BFFF000XXX - XT5N 600 E.DIP LSI 600 4p UL
ABB
ABB XT5NU460BFFF000XXX - XT5N 600 E.DIP LSI 600 4p UL
MPN:XT5NU460BFFF000XXX
XT5N 600 E.DIP LSI 600 4p UL

$4,972.58$13,446.01

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU460BGFF000XXX - XT5N 600 E.DIP LSIG 600 4p UL
ABB
ABB XT5NU460BGFF000XXX - XT5N 600 E.DIP LSIG 600 4p UL
MPN:XT5NU460BGFF000XXX
XT5N 600 E.DIP LSIG 600 4p UL

$5,966.77$16,134.32

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU460BNFF000XXX - XT5N 600 TMG 600 4p UL
ABB
ABB XT5NU460BNFF000XXX - XT5N 600 TMG 600 4p UL
MPN:XT5NU460BNFF000XXX
XT5N 600 TMG 600 4p UL

$3,743.75$10,123.20

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times

ABB XT5NU460BPFF000XXX - XT5N 600 E.TCH LSI 600 4p UL
ABB
ABB XT5NU460BPFF000XXX - XT5N 600 E.TCH LSI 600 4p UL
MPN:XT5NU460BPFF000XXX
XT5N 600 E.TCH LSI 600 4p UL

$6,309.39$17,060.80

You save 63%
Should ship between 14 Nov and 21 Nov

Subject to factory lead times