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Circuit Breakers
Circuit Breakers are an important part of the Wiring Devices category within Warehouse Supplies > Lighting & Electrical > Wiring Devices > Circuit Breakers. National Supply Network offers professional-grade circuit breakers for contractors, maintenance teams, warehouses, and industrial operations.
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Siemens® Classified Circuit Breaker Type QD replacement for Square D Type QO 1-Pole 15A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B3182298
Manufacturer Part ID: ITED115
Price:
$13.69
Siemens® Classified Circuit Breaker Type QD replacement for Square D Type QO 1-Pole 50A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B3182291
Manufacturer Part ID: ITED150
Price:
$13.69
Siemens® Duplex Circuit Breaker Type QT 1-Pole Class CTL Twin 20A/20A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B3182300
Manufacturer Part ID: ITEQ2020
Price:
$23.45
Siemens® Duplex Circuit Breaker Type QT 1-Pole Class CTL Twin 30A/15A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B3182302
Manufacturer Part ID: ITEQ3015
Price:
$26.18
Siemens® Duplex Circuit Breaker Type QT 1-Pole Class CTL Twin 30A/30A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B3182301
Manufacturer Part ID: ITEQ3030
Price:
$23.45
Siemens® ITED130 Classified Circuit Breaker Type QD Replacement for Square D Type QO 1-Pole 30A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235963
Manufacturer Part ID: ITED130
Price:
$14.55
Siemens® ITED215 Classified Circuit Breaker Type QD Replacement for Square D Type QO 2-Pole 15A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2236003
Manufacturer Part ID: ITED215
Price:
$35.02
Siemens® ITED220 Classified Circuit Breaker Type QD Replacement for Square D Type QO 2-Pole 20A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2236002
Manufacturer Part ID: ITED220
Price:
$35.02
Siemens® ITED250 Classified Circuit Breaker Type QD Replacement for Square D Type QO 2-Pole 50A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235819
Manufacturer Part ID: ITED250
Price:
$35.06
Siemens® ITEQ115 Circuit Breaker Type QP 1-Pole 15A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235873
Manufacturer Part ID: ITEQ115
Price:
$10.79
Siemens® ITEQ140 Circuit Breaker Type QP 1-Pole 40A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235863
Manufacturer Part ID: ITEQ140
Price:
$10.79
Siemens® ITEQ1515 duplex Circuit Breaker Type QT Class CTL Twin 15A/15A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235859
Manufacturer Part ID: ITEQ1515
Price:
$26.03
Siemens® ITEQ1520NC duplex Circuit Breaker Type QT Non-CTL No Clip Twin 15A/20A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235906
Manufacturer Part ID: ITEQ1520NC
Price:
$62.14
Siemens® ITEQ2125 Circuit Breaker Type QP 2-Pole 125A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235861
Manufacturer Part ID: ITEQ2125
Price:
$190.52
Siemens® ITEQ215 Circuit Breaker Type QP 2-Pole 15A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235817
Manufacturer Part ID: ITEQ215
Price:
$25.03
Siemens® ITEQ225 Circuit Breaker Type QP 2-Pole 25A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235815
Manufacturer Part ID: ITEQ225
Price:
$25.03
Siemens® ITEQ240 Circuit Breaker Type QP 2-Pole 40A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235811
Manufacturer Part ID: ITEQ240
Price:
$25.03
Siemens® ITEQ280 Circuit Breaker Type QP 2-Pole 80A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235915
Manufacturer Part ID: ITEQ280
Price:
$81.20
Siemens® ITEQ290 Circuit Breaker Type QP 2-Pole 90A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235914
Manufacturer Part ID: ITEQ290
Price:
$81.20
Siemens® Main Breaker Kit 2-Pole 150A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B3182290
Manufacturer Part ID: ITEMBK150
Price:
$289.29
UBIA20NI Wadsworth™ UBIA20NI Circuit Breaker Type A 1-Pole 20A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235949
Manufacturer Part ID: UBIA20NI
Price:
$62.67
UBIA230NI Wadsworth™ UBIA230NI Circuit Breaker Type A 2-Pole 30A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235942
Manufacturer Part ID: UBIA230NI
Price:
$160.43
UBIA250NI Wadsworth™ UBIA250NI Circuit Breaker Type A 2-Pole 50A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235940
Manufacturer Part ID: UBIA250NI
Price:
$137.15
UBIF15N Connecticut Electric UBIF15N Circuit Breaker Type UBIF Thick 1-Pole 15A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235831
Manufacturer Part ID: UBIF15N
Price:
$41.08
UBITBA120L Connecticut Electric UBITBA120L Circuit Breaker Type A 1-Pole 20A Left Clip
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235958
Manufacturer Part ID: UBITBA120L
Price:
$40.07
UBITBA230 Connecticut Electric UBITBA230 Circuit Breaker Type A 2-Pole 30A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235950
Manufacturer Part ID: UBITBA230
Price:
$77.37
UBIZ0225 Zinsco® UBIZ0225 Replacement Circuit Breaker Type UBIZ RC3825 2-Pole 25A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2236018
Manufacturer Part ID: UBIZ0225
Price:
$98.25
UBIZ0230 Zinsco® UBIZ0230 Replacement Circuit Breaker Type UBIZ RC3830 2-Pole 30A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2236057
Manufacturer Part ID: UBIZ0230
Price:
$96.48
UBIZ0260 Zinsco® UBIZ0260 Replacement Circuit Breaker Type UBIZ RC3860 2-Pole 60A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2236055
Manufacturer Part ID: UBIZ0260
Price:
$97.24
UBIZ2100-1 Zinsco® UBIZ2100-1 Replacement Circuit Breaker Type UBIZ QCAL100 2-Pole 100A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2236063
Manufacturer Part ID: UBIZ2100-1
Price:
$236.79
UBIZ230-1 Zinsco® UBIZ230-1 Replacement Circuit Breaker Type UBIZ QC30 2-Pole 30A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2236068
Manufacturer Part ID: UBIZ230-1
Price:
$98.25
UBIZ240-1 Zinsco® UBIZ240-1 Replacement Circuit Breaker Type UBIZ QC40 2-Pole 40A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2236067
Manufacturer Part ID: UBIZ240-1
Price:
$98.25
UBIZ250-1 Zinsco® UBIZ250-1 Replacement Circuit Breaker Type UBIZ QC50 2-Pole 50A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2236066
Manufacturer Part ID: UBIZ250-1
Price:
$99.25
VPKA130L Challenger™ VPKA130L Circuit Breaker Type A 1-Pole 30A left hand clip Clamshell Packaged
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235894
Manufacturer Part ID: VPKA130L
Price:
$45.09
VPKA130R Challenger™ VPKA130R Circuit Breaker Type A 1-Pole 30A right hand clip Clamshell Packaged
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235893
Manufacturer Part ID: VPKA130R
Price:
$45.09
VPKA230 Challenger™ VPKA230 Circuit Breaker Type A 2-Pole 30A Clamshell Packaged
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235896
Manufacturer Part ID: VPKA230
Price:
$99.25
VPKD120 Siemens® VPKD120 Circuit Breaker Type QD Replacement for Square D QO 1-Pole 20A Clamshell PKG
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235986
Manufacturer Part ID: VPKD120
Price:
$18.05
VPKD220 Siemens® VPKD220 Circuit Breaker Type QD Replacement for Square D QO 2-Pole 20A Clamshell PKG
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235984
Manufacturer Part ID: VPKD220
Price:
$37.06
VPKD230 Siemens® VPKD230 Circuit Breaker Type QD Replacement for Square D QO 2-Pole 30A Clamshell PKG
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235983
Manufacturer Part ID: VPKD230
Price:
$37.06
VPKD240 Siemens® VPKD240 Circuit Breaker Type QD Replacement for Square D QO 2-Pole 40A Clamshell PKG
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235968
Manufacturer Part ID: VPKD240
Price:
$37.06
VPKD250 Siemens® VPKD250 Circuit Breaker Type QD Replacement for Square D QO 2-Pole 50A Clamshell PKG
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235967
Manufacturer Part ID: VPKD250
Price:
$37.06
VPKD260 Siemens® VPKD260 Circuit Breaker Type QD Replacement for Square D QO 2-Pole 60A Clamshell PKG
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235966
Manufacturer Part ID: VPKD260
Price:
$37.06
VPKQ120 Siemens® VPKQ120 Circuit Breaker Type QP 1-Pole 20A Clamshell Packaged
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235889
Manufacturer Part ID: VPKQ120
Price:
$14.55
VPKQ130 Siemens® VPKQ130 Circuit Breaker Type QP 1-Pole 30A Clamshell Packaged
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235888
Manufacturer Part ID: VPKQ130
Price:
$13.55
VPKQ220 Siemens® VPKQ220 Circuit Breaker Type QP 2-Pole 20A Clamshell Packaged
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235877
Manufacturer Part ID: VPKQ220
Price:
$31.05
VPKQ260 Siemens® VPKQ260 Circuit Breaker Type QP 2-Pole 60A Clamshell Packaged
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235874
Manufacturer Part ID: VPKQ260
Price:
$31.05
VPKUBIF0235N Connecticut Electric VPKUBIF0235N Circuit Breaker Type UBIF Thin 2-Pole 35A Clamshell Packaged
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235995
Manufacturer Part ID: VPKUBIF0235N
Price:
$89.22
VPKUBIP230 Connecticut Electric VPKUBIP230 Circuit Breaker Type UBIP 2-Pole 30A Clamshell Packaged
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235884
Manufacturer Part ID: VPKUBIP230
Price:
$106.27
VPKWA30 Wadsworth™ VPKWA30 Circuit Breaker Type A 1-Pole 30A Clamshell Packaged
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2236050
Manufacturer Part ID: VPKWA30
Price:
$75.18
VPKWB1515 Wadsworth™ VPKWB1515 Circuit Breaker Type B Twin 1-Pole 15A/15A Clamshell Packaged
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2236044
Manufacturer Part ID: VPKWB1515
Price:
$160.43
VPKWB1520 Wadsworth™ VPKWB1520 Circuit Breaker Type B Twin 1-Pole 15A/20A Clamshell Packaged
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2236043
Manufacturer Part ID: VPKWB1520
Price:
$160.43
VPKWB2020 Wadsworth™ VPKWB2020 Circuit Breaker Type B Twin 1-Pole 20A/20A Clamshell Packaged
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2236042
Manufacturer Part ID: VPKWB2020
Price:
$160.43
Wadsworth™ UBIA15NI Circuit Breaker Type A 1-Pole 15A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235856
Manufacturer Part ID: UBIA15NI
Price:
$74.17
Wadsworth™ UBIA215NI Circuit Breaker Type A 2-Pole 15A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235944
Manufacturer Part ID: UBIA215NI
Price:
$170.46
Wadsworth™ UBIA220NI Circuit Breaker Type A 2-Pole 20A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235943
Manufacturer Part ID: UBIA220NI
Price:
$170.46
Wadsworth™ UBIA260NI Circuit Breaker Type A 2-Pole 60A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235939
Manufacturer Part ID: UBIA260NI
Price:
$176.18
Wadsworth™ UBIA270NI Circuit Breaker Type A 2-Pole 70A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235938
Manufacturer Part ID: UBIA270NI
Price:
$326.93
Wadsworth™ UBIA280NI Circuit Breaker Type A 2-Pole 80A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235937
Manufacturer Part ID: UBIA280NI
Price:
$296.84
Wadsworth™ UBIA290NI Circuit Breaker Type A 2-Pole 90A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235936
Manufacturer Part ID: UBIA290NI
Price:
$326.93
Wadsworth™ UBIA40NI Circuit Breaker Type A 1-Pole 40A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235947
Manufacturer Part ID: UBIA40NI
Price:
$74.17
Wadsworth™ UBIA50NI Circuit Breaker Type A 1-Pole 50A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235946
Manufacturer Part ID: UBIA50NI
Price:
$74.17
Zinsco® UBITBFP1252 Main Breaker Type QFP 2-Pole 125A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235853
Manufacturer Part ID: UBITBFP1252
Price:
$328.83
Zinsco® UBITBFP1752 Main Breaker Type QFP 2-Pole 175A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235836
Manufacturer Part ID: UBITBFP1752
Price:
$328.83
Zinsco® UBITBFP2002 Main Breaker Type QFP 2-Pole 200A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2235835
Manufacturer Part ID: UBITBFP2002
Price:
$270.76
Zinsco® UBIZ0215 Replacement Circuit Breaker Type UBIZ RC3815 2-Pole 15A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2236020
Manufacturer Part ID: UBIZ0215
Price:
$104.08
Zinsco® UBIZ0220 Replacement Circuit Breaker Type UBIZ RC3820 2-Pole 20A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2236019
Manufacturer Part ID: UBIZ0220
Price:
$104.08
Zinsco® UBIZ0235 Replacement Circuit Breaker Type UBIZ RC3835 2-Pole 35A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2236053
Manufacturer Part ID: UBIZ0235
Price:
$98.25
Zinsco® UBIZ0240 Replacement Circuit Breaker Type UBIZ RC3840 2-Pole 40A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2236052
Manufacturer Part ID: UBIZ0240
Price:
$98.25
Zinsco® UBIZ0245 Replacement Circuit Breaker Type UBIZ RC3845 2-Pole 45A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2236051
Manufacturer Part ID: UBIZ0245
Price:
$98.25
Zinsco® UBIZ0250 Replacement Circuit Breaker Type UBIZ RC3850 2-Pole 50A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2236056
Manufacturer Part ID: UBIZ0250
Price:
$98.25
Zinsco® UBIZ15 Replacement Circuit Breaker Type UBIZ Q15 1-Pole 15A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2236074
Manufacturer Part ID: UBIZ15
Price:
$46.70
Zinsco® UBIZ1515 Replacement Circuit Breaker Type UBIZ R3815 Twin 1-Pole 15A/15A
Manufacturer:
Connecticut Electric Inc.
Item Number:
B2236024
Manufacturer Part ID: UBIZ1515
Price:
$97.24
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