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Home / Collections /

40 Amp Breakers

388 products

ABB (1)
Allen-Bradley (1)
Bussmann (3)
Eaton (7)
Eaton Cutler-Hammer (113)
Eaton Moeller (15)
Federal Pioneer (10)
GE (55)
Mersen / Ferraz Shawmut (2)
Schneider Electric (79)
Siemens (3)
Siemens / ITE (62)
Siemens/ITE (37)

1 Pole (75)
2 Pole (144)
3 Pole (153)
4 Pole (1)
Quad (6)

Ground Fault (gfci / gfi) (21)
Ground Fault (GFEP) (11)
Molded Case Circuit Breaker (7)

Bolt-On (172)
Feed Thru (18)
Feed-Thru (16)
Plug-In (67)

40A (378)
40 A (7)
15A 40A (2)

120V (26)
240V (87)
240 V (7)
277V (10)
347V (1)
400V (2)
480V (26)
600V (59)

388 products

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BDA36040 - Square D 40 Amp 3 Pole 600 Volt Plug-In Molded Case Circuit Breaker

BDA36040 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 40 Amp - 3 Pole - 600 Volt

Schneider Electric

from $909^{99 CAD} from $909.99 CAD Regular price $1,199^{99 CAD} $1,199.99 CAD Save $290 CAD

Q240H - Siemens 40 Amp 2 Pole 240 Volt Molded Case Circuit Breaker

Q240H - Siemens - 40 Amp 22kA Circuit Breaker

Plug-In - 40 Amp - 2 Pole - 240 Volt

$187^{99 CAD} $187.99 CAD

FDB3040 - Eaton - Molded Case Circuit Breaker

FDB3040 - Eaton - Molded Case Circuit Breaker

Bolt-On - 40 Amp - 3 Pole - 600 Volt

Eaton Cutler-Hammer

from $559^{99 CAD} from $559.99 CAD Regular price $699^{99 CAD} $699.99 CAD Save $140 CAD

HFD3040 - Eaton - Moded Case Circuit Breaker

HFD3040 - Eaton - Molded Case Circuit Breaker

Feed Thru - 40 Amp - 3 Pole - 600 Volt

Eaton Cutler-Hammer

from $999^{99 CAD} from $999.99 CAD Regular price $2,580^{18 CAD} $2,580.18 CAD Save $1,580.19 CAD

CH140 - Eaton - 40 Amp Circuit Breaker

Plug-In - 40 Amp - 1 Pole - 120 Volt

Eaton Cutler-Hammer

$31^{99 CAD} $31.99 CAD

BL1-040 Siemens Blue-Line 40 Amp Single Pole Circuit Breaker

BL1-040 Siemens - Blue-Line 40 Amp Circuit Breaker

Plug-In - 40 Amp - 1 Pole - 120 Volt

Sale price$99^{99 CAD} $99.99 CAD Regular price $157^{99 CAD} $157.99 CAD Save $58 CAD

QOB240GFI - Square D 40 Amp Double Pole GFCI Bolt-On Circuit Breaker

QOB240GFI - Square D - 40 Amp GFCI Circuit Breaker

Bolt-On - 40 Amp - 2 Pole - 240 Volt

Schneider Electric

from $299^{99 CAD} from $299.99 CAD

NB40 - Federal Pioneer 40 Amp Single Pole Bolt-On Circuit Breaker

NB40 - Federal Pioneer - 40 Amp Circuit Breaker

Bolt-On - 40 Amp - 1 Pole - 120 Volt

Federal Pioneer

$93^{99 CAD} $93.99 CAD

FDC3040 - Eaton - MoldedCase Circuit Breakers

FDC3040 - Eaton - MoldedCase Circuit Breakers

Bolt-On - 40 Amp - 3 Pole - 600 Volt

Eaton Cutler-Hammer

from $1,359^{99 CAD} from $1,359.99 CAD Regular price $1,699^{99 CAD} $1,699.99 CAD Save $340 CAD

FD2040 - Eaton - Molded Case Circuit Breaker

FD2040 - Eaton - Molded Case Circuit Breaker

Bolt-On - 40 Amp - 2 Pole - 600 Volt

Eaton Cutler-Hammer

from $639^{99 CAD} from $639.99 CAD Regular price $799^{99 CAD} $799.99 CAD Save $160 CAD

FRS-R-40 - Bussmann - 40 Amp Fuse

FRS-R-40 - Bussmann - 40 Amp Fuse

40 Amp - 600 Volt

$24^{99 CAD} $24.99 CAD

BJA36040 - Square D 40 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

BJA36040 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 40 Amp - 3 Pole - 600 Volt

Schneider Electric

from $1,189^{99 CAD} from $1,189.99 CAD Regular price $1,499^{99 CAD} $1,499.99 CAD Save $310 CAD

THQB1140 - GE 40 Amp Single Pole Bolt-On Circuit Breaker

THQB1140 - GE - 40 Amp Circuit Breaker

Bolt-On - 40 Amp - 1 Pole - 120 Volt

from $14^{99 CAD} from $14.99 CAD Regular price $18^{99 CAD} $18.99 CAD Save $4 CAD

QBHW1040 - Eaton Cutler-Hammer 40 Amp 1 Pole 240 Volt Molded Case Circuit Breaker

QBHW1040 - Eaton - 40 Amp Circuit Breaker

Bolt-On - 40 Amp - 1 Pole - 240 Volt

Eaton Cutler-Hammer

$62^{99 CAD} $62.99 CAD

GFEP240 - Eaton Cutler-Hammer 40 Amp Ground Fault Equipment Protection Circuit Breaker

GFEP240 - Eaton - 30 mA GFEP Circuit Breaker

Plug-In - 40 Amp - 2 Pole - 240 Volt

Eaton Cutler-Hammer

$549^{99 CAD} $549.99 CAD

BQ1B040 - Siemens 40 Amp Single Pole 120V BQ Bolt-On Circuit Breaker

BQ1B050 - Siemens - 50 Amp 120V BQ Circuit Breaker

Bolt-On - 40 Amp - 1 Pole - 120 Volt

$35^{99 CAD} $35.99 CAD

EGB36040 - Square D 40 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker

EGB36040 - Square D 40 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker

EGB36040 - Square D - Molded Case Circuit Breaker

Bolt-On - 40 Amp - 3 Pole - 600 Volt

Schneider Electric

from $1,189^{99 CAD} from $1,189.99 CAD Regular price $1,699^{99 CAD} $1,699.99 CAD Save $510 CAD

CED63B040 - Siemens 40 Amp 3 Pole 600 Volt Bolt-On Molded Case Circuit Breaker

CED63B040 - Siemens - Molded Case Circuit Breaker

Bolt On - 40 Amp - 3 Pole - 600 Volt

$2,399^{99 CAD} $2,399.99 CAD

Limited availability

8910DPA44V02 - Square D 40 Amp 4 Pole 120 Volt Definite Purpose Contactor

8910DPA44V02 - Square D - 40 Amp Definite Purpose Contactor

40 Amp - 4 Pole - 120 Volt

Schneider Electric

$189^{99 CAD} $189.99 CAD

BQC220240 - Eaton - Molded Case Circuit Breaker

BQC220240 - Eaton - Molded Case Circuit Breaker

40 Amp - 2 Pole - 240 Volt

$96^{99 CAD} $96.99 CAD

LC2D25G7 - Square D - Contactor

LC2D25G7 - Square D - Contactor

40 Amp - 3 Pole - 600 Volt

Schneider Electric

$405^{99 CAD} $405.99 CAD

Limited availability

FDB2040 - Eaton - Molded Case Circuit Breaker

FDB2040 - Eaton - Molded Case Circuit Breaker

Bolt-On - 40 Amp - 2 Pole - 600 Volt

Eaton Cutler-Hammer

from $435^{99 CAD} from $435.99 CAD Regular price $544^{99 CAD} $544.99 CAD Save $109 CAD

QB2040GF - Eaton Cutler-Hammer 40 Amp Double Pole Ground Fault Bolt-On Circuit Breaker

QB2040GF - Eaton - 40 Amp Ground Fault Circuit Breaker

Bolt-On - 40 Amp - 2 Pole - 240 Volt

Eaton Cutler-Hammer

$389^{99 CAD} $389.99 CAD

QB2040EP - Eaton Cutler-Hammer 40 Amp 2 Pole 240 Volt Ground Fault Circuit Breaker

QB2040EP - Eaton - 40 Amp GFEP Circuit Breaker

Bolt-On - 40 Amp - 2 Pole - 240 Volt

Eaton Cutler-Hammer

Sale price$399^{99 CAD} $399.99 CAD Regular price $1,022^{00 CAD} $1,022.00 CAD Save $622.01 CAD

EJB36040 - Square D 40 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker

EJB36040 - Square D 40 Amp 3 Pole 600 Volt Bolt-On Circuit Breaker

EJB36040 - Square D - Molded Case Circuit Breaker

Bolt-On - 40 Amp - 3 Pole - 600 Volt

Schneider Electric

from $1,749^{99 CAD} from $1,749.99 CAD Regular price $2,499^{99 CAD} $2,499.99 CAD Save $750 CAD

ED43B040 - Siemens - Molded Case Circuit Breaker

ED43B040 - Siemens - Molded Case Circuit Breaker

Bolt-On - 40 Amp - 3 Pole - 480 Volt

$549^{99 CAD} $549.99 CAD

Limited availability

QCGFEP2040 - Eaton - Molded Case Circuit Breaker

QCGFEP2040 - Eaton - GFEP Circuit Breaker

Feed-Thru - 40 Amp - 2 Pole - 240 Volt

Eaton Cutler-Hammer

$588^{99 CAD} $588.99 CAD

BQ1B040 - Siemens 40 Amp Single Pole 120V BQ Bolt-On Circuit Breaker

BQ1B040 - Siemens - 40 Amp Circuit Breaker

Bolt-On - 40 Amp - 1 Pole - 120 Volt

$36^{99 CAD} $36.99 CAD

TEB122040WL - GE 40 Amp 2 Pole 240 Volt Molded Case Circuit Breaker General Electric Lug

TEB122040WL - GE - Molded Case Circuit Breaker

Feed-Thru - 40 Amp - 2 Pole - 240 Volt

$489^{99 CAD} $489.99 CAD

QC3040H - Eaton - Circuit Breaker

QC3040H - Eaton - Circuit Breaker

Feed Thru - 40 Amp - 3 Pole - 9 Volt

Eaton Cutler-Hammer

$251^{99 CAD} $251.99 CAD

GFTCB140 - Eaton Cutler-Hammer 40 Amp 1 Pole 120 Volt Molded Case Circuit Breaker

GFTCB140 - Eaton - 40 Amp Molded Case Circuit Breaker

Plug-In - 40 Amp - 1 Pole - 120 Volt

Eaton Cutler-Hammer

$134^{99 CAD} $134.99 CAD

FDC3040L - Eaton - MoldedCase Circuit Breakers

FDC3040L - Eaton - MoldedCase Circuit Breakers

Feed Thru - 40 Amp - 3 Pole - 600 Volt

Eaton Cutler-Hammer

from $1,359^{99 CAD} from $1,359.99 CAD Regular price $1,699^{99 CAD} $1,699.99 CAD Save $340 CAD

BAB3040HS - Eaton - 40 Amp Shunt Trip Breaker

Bolt-On - 40 Amp - 3 Pole - 240 Volt

Eaton Cutler-Hammer

$481^{99 CAD} $481.99 CAD

QOU340 - Square D 40 Amp 3 Pole 240 Volt Miniature Circuit Breaker

QOU340 - Square D - 40 Amp Circuit Breaker

Bolt-On - 40 Amp - 3 Pole - 240 Volt

Schneider Electric

$305^{99 CAD} $305.99 CAD

HLL36040 - Square D - Molded Case Circuit Breaker

HLL36040 - Square D - Molded Case Circuit Breaker

Feed-Thru - 40 Amp - 3 Pole - 600 Volt

Schneider Electric

from $1,289^{99 CAD} from $1,289.99 CAD Regular price $2,299^{99 CAD} $2,299.99 CAD Save $1,010 CAD

HLA36040 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 40 Amp - 3 Pole - 600 Volt

Schneider Electric

from $1,789^{99 CAD} from $1,789.99 CAD Regular price $2,699^{99 CAD} $2,699.99 CAD Save $910 CAD

HJL36040 - Square D - Molded Case Circuit Breaker

HJL36040 - Square D - Molded Case Circuit Breaker

Feed-Thru - 40 Amp - 3 Pole - 600 Volt

Schneider Electric

from $1,049^{99 CAD} from $1,049.99 CAD Regular price $1,399^{99 CAD} $1,399.99 CAD Save $350 CAD

HJA36040 - Square D 40 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

HJA36040 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 40 Amp - 3 Pole - 600 Volt

Schneider Electric

from $1,259^{99 CAD} from $1,259.99 CAD Regular price $1,499^{99 CAD} $1,499.99 CAD Save $240 CAD

HHED63B040 - Siemens - Molded Case Circuit Breaker

HHED63B040 - Siemens - Molded Case Circuit Breaker

Bolt-On - 40 Amp - 3 Pole - 600 Volt

$1,759^{99 CAD} $1,759.99 CAD

ED42B040 - Siemens - Molded Case Circuit Breaker

Bolt On - 40 Amp - 2 Pole - 480 Volt

$499^{99 CAD} $499.99 CAD

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