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Home / Collections /

40 Amp Breakers

378 products

ABB (1)
Allen-Bradley (1)
Bussmann (3)
Eaton Cutler-Hammer (112)
Eaton Moeller (15)
Federal Pioneer (10)
GE (55)
Mersen / Ferraz Shawmut (2)
Schneider Electric (79)
Siemens (3)
Siemens / ITE (61)
Siemens/ITE (36)

1 Pole (75)
2 Pole (136)
3 Pole (151)
4 Pole (1)
Quad (6)

Ground Fault (gfci / gfi) (20)
Ground Fault (GFEP) (11)

Bolt-On (179)
Feed Thru (18)
Feed-Thru (14)
Plug-In (61)

40A (375)
15A 40A (2)

120V (28)
240V (90)
250V (1)
277V (10)
347V (1)
400V (2)
480V (26)
600V (61)

378 products

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FDB3040L - Eaton - Molded Case Circuit Breaker

FDB3040L - Eaton - Molded Case Circuit Breaker

Feed-Thru - 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

Limited availability

FDB2040L - Eaton - Molded Case Circuit Breaker

FDB2040L - Eaton - Molded Case Circuit Breaker

Feed-Thru - 40 Amp - 2 Pole - 600 Volt

Eaton Cutler-Hammer

from $517^{99 CAD} from $517.99 CAD Regular price $1,599^{99 CAD} $1,599.99 CAD Save $1,082 CAD

FD2040L - Eaton - Molded Case Circuit Breaker

FD2040L - Eaton - Molded Case Circuit Breaker

Feed-Thru - 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

EHD3040L - Eaton - Molded Case Circuit Breaker

EHD3040L - Eaton - Molded Case Circuit Breaker

Feed-Thru - 40 Amp - 3 Pole - 480 Volt

Eaton Cutler-Hammer

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

FH26040AB - Square D 40 Amp 2 Pole 600 Volt Molded Case Circuit Breaker

FH26040AB - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 40 Amp - 2 Pole - 600 Volt

Schneider Electric

from $1,009^{99 CAD} from $1,009.99 CAD Regular price $1,157^{99 CAD} $1,157.99 CAD Save $148 CAD

Limited availability

QOB240VH - Square D - 40 Amp 22kA Circuit Breaker

QOB240VH - Square D - 40 Amp 22kA Circuit Breaker

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

Schneider Electric

$149^{99 CAD} $149.99 CAD

QO240EPD - Square D - 40 Amp GFEP Circuit Breaker

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

Schneider Electric

$679^{99 CAD} $679.99 CAD

FHL36040 - Square D 40 Amp 3 Pole 600 Volt Lug Molded Case Circuit Breaker

FHL36040 - Square D - Molded Case Circuit Breaker

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

Schneider Electric

from $779^{99 CAD} from $779.99 CAD Regular price $923^{99 CAD} $923.99 CAD Save $144 CAD

FH36040 - Square D 40 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

FH36040 - Square D - Molded Case Circuit Breaker

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

Schneider Electric

from $879^{99 CAD} from $879.99 CAD Regular price $1,447^{99 CAD} $1,447.99 CAD Save $568 CAD

Limited availability

EDB26040 - Square D 40 Amp 2 Pole 600 Volt Bolt-On Molded Case Circuit Breaker

EDB26040 - Square D - Molded Case Circuit Breaker

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

Schneider Electric

from $451^{99 CAD} from $451.99 CAD Regular price $818^{99 CAD} $818.99 CAD Save $367 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

HGA36040 - Square D 40 Amp 3 Pole 600 Volt Molded Case Circuit Breaker

HGA36040 - 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 $1,399^{99 CAD} $1,399.99 CAD Save $210 CAD

EDB14040 - Square D 40 Amp 1 Pole 277 Volt Bolt-On Molded Case Circuit Breaker

EDB14040 - Square D - Molded Case Circuit Breaker

Bolt-On - 40 Amp - 1 Pole - 277 Volt

Schneider Electric

$134^{99 CAD} $134.99 CAD

bf240a - Siemens 40 Amp Double Pole GFCI Bolt-On Circuit Breaker

bf240a - Siemens - 40 Amp GFCI Circuit Breaker

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

$299^{99 CAD} $299.99 CAD

Limited availability

QBH340 - Commander 40 Amp 3 Pole Bolt-On Circuit Breaker

QBH340 - Commander 40 Amp Circuit Breaker

Eaton Cutler-Hammer

$1,157^{99 CAD} $1,157.99 CAD

HED43B040 - Siemens 40 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker

HED43B040 - Siemens - Molded Case Circuit Breaker

Bolt On - 40 Amp - 3 Pole - 480 Volt

$799^{99 CAD} $799.99 CAD

HDA260404 - Square D 40 Amp 2 Pole 600 Volt Plug-In Molded Case Circuit Breaker

HDA260404 - Square D - Molded Case Circuit Breaker

I-Line Plug-In - 40 Amp - 2 Pole - 600 Volt

Schneider Electric

$1,303^{99 CAD} $1,303.99 CAD

EJB34040 - Square D 40 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker

EJB34040 - Square D 40 Amp 3 Pole 480 Volt Bolt-On Circuit Breaker

EJB34040 - Square D - Molded Case Circuit Breaker

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

Schneider Electric

from $559^{99 CAD} from $559.99 CAD Regular price $799^{99 CAD} $799.99 CAD Save $240 CAD

ED23B040 - Siemens 40 Amp 3 Pole 240 Volt Bolt-On Molded Case Circuit Breaker

ED23B040 - Siemens - Molded Case Circuit Breaker

Bolt On - 40 Amp - 3 Pole - 240 Volt

$399^{99 CAD} $399.99 CAD

Q340H - Siemens 40 Amp 3 Pole 240 Volt Molded Case Circuit Breaker

Q340H - Siemens - 40 Amp 22kA Case Circuit Breaker

Plug-In - 40 Amp - 3 Pole - 240 Volt

$289^{99 CAD} $289.99 CAD

Q34000S01 - Siemens 40 Amp 3 Pole 240 Volt Molded Case Circuit Breaker

Q34000S01 - Siemens - 40 Amp Molded Case Circuit Breaker

Plug-In - 40 Amp - 3 Pole - 240 Volt

$552^{99 CAD} $552.99 CAD

HEB3B040B - Siemens - Molded Case Circuit Breaker

HEB3B040B - Siemens - Molded Case Circuit Breaker

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

from $1,805^{99 CAD} from $1,805.99 CAD Regular price $2,144^{99 CAD} $2,144.99 CAD Save $339 CAD

ED63A040 - Siemens - Molded Case Circuit Breaker

ED63A040 - Siemens - Molded Case Circuit Breaker

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

$819^{99 CAD} $819.99 CAD

B24000S01 - Siemens - 40 Amp Shunt Trip Circuit Breaker

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

$273^{99 CAD} $273.99 CAD

B140HH - Siemens 40 Amp 1 Pole 120 Volt Molded Case Circuit Breaker

B140HH - Siemens - 40 Amp 22kA Circuit Breaker

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

$107^{99 CAD} $107.99 CAD

BQD6140 - Siemens 40 Amp 1 Pole 347 Volt Bolt-On Molded Case Circuit Breaker

BQD6140 - Siemens - 40 Amp Molded Case Circuit Breaker

Bolt-On - 40 Amp - 1 Pole - 347 Volt

$164^{99 CAD} $164.99 CAD

BQD340 - Siemens 40 Amp 3 Pole 480 Volt Bolt-On Molded Case Circuit Breaker

BQD340 - Siemens - 40 Amp Molded Case Circuit Breaker

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

$548^{99 CAD} $548.99 CAD

8EM1312-4CF18-OFA3 - Siemens - Panel

8EM1312-4CF18-OFA3 - Siemens - Panel

40A - 208/240 Volt

$999^{99 CAD} $999.99 CAD

EGB14040 - Square D - Molded Case Circuit Breaker

EGB14040 - Square D - Molded Case Circuit Breaker

Bolt On - 40 Amp - 1 Pole - 277 Volt

Schneider Electric

Sale price$202^{99 CAD} $202.99 CAD Regular price $255^{00 CAD} $255.00 CAD Save $52.01 CAD

14DUE32BA - Siemens - Motor Starter

14DUE32BA - Siemens - Motor Starter

40 Amp - 3 Pole - 600 Volt

$979^{99 CAD} $979.99 CAD

14DUE32AA - Siemens - Motor Starter

14DUE32AA - Siemens - Motor Starter

40 Amp - 3 Pole - 600 Volt

$1,057^{99 CAD} $1,057.99 CAD

THHQL32040 - GE - Circuit Breaker

THHQL32040 - GE - Circuit Breaker

40 Amp - 3 Pole - 240 Volt

Sale price$260^{99 CAD} $260.99 CAD Regular price $263^{00 CAD} $263.00 CAD Save $2.01 CAD

QCR2040 - Eaton - Molded Case Circuit Breaker

QCR2040 - Eaton - Molded Case Circuit Breaker

Feed Thru - 40 Amp - 2 Pole - 240 Volt

Eaton Cutler-Hammer

Sale price$78^{99 CAD} $78.99 CAD Regular price $139^{00 CAD} $139.00 CAD Save $60.01 CAD

PDG23G0040TFFJ - Eaton - Molded Case Circuit Breaker

PDG23G0040TFFJ - Eaton - Molded Case Circuit Breaker

Feed Thru - 40 Amp - 3 Pole - 600 Volt

Eaton Cutler-Hammer

from $671^{99 CAD} from $671.99 CAD Regular price $839^{99 CAD} $839.99 CAD Save $168 CAD

PDG23F0040TFFJ - Eaton - Molded Case Circuit Breaker

PDG23F0040TFFJ - Eaton - Molded Case Circuit Breaker

Feed Thru - 40 Amp - 3 Pole - 600 Volt

Eaton Cutler-Hammer

from $632^{99 CAD} from $632.99 CAD Regular price $809^{99 CAD} $809.99 CAD Save $177 CAD

PDG22M0040TFFJ - Eaton - Molded Case Circuit Breaker

PDG22M0040TFFJ - Eaton - Molded Case Circuit Breaker

Feed Thru - 40 Amp - 2 Pole - 600 Volt

Eaton Cutler-Hammer

from $799^{99 CAD} from $799.99 CAD Regular price $999^{99 CAD} $999.99 CAD Save $200 CAD

PDG21G0040TFFJ - Eaton - Molded Case Circuit Breaker

PDG21G0040TFFJ - Eaton - Molded Case Circuit Breaker

Feed Thru - 40 Amp - 1 Pole - 600 Volt

Eaton Cutler-Hammer

$309^{99 CAD} $309.99 CAD

Limited availability

FAZ-Z40/3 - Eaton - Circuit Breaker

FAZ-Z40/3 - Eaton - Circuit Breaker

40 Amp - 3 Pole - 480 Volt

$199^{99 CAD} $199.99 CAD

FAZ-K40/2 - Eaton - Circuit Breaker

FAZ-K40/2 - Eaton - Circuit Breaker

40 Amp - 2 Pole - 480 Volt

$107^{99 CAD} $107.99 CAD

FAZ-K40/1N - Eaton - Circuit Breaker

FAZ-K40/1N - Eaton - Circuit Breaker

40 Amp - 1 Pole - 480 Volt

$72^{99 CAD} $72.99 CAD

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