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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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QO340VH - Square D 40 Amp 3 Pole 240 Volt Molded Case Circuit Breaker

QO340VH - Square D - 40 Amp Molded Case Circuit Breaker

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

Schneider Electric

$261^{99 CAD} $261.99 CAD

BQ2B040H - Siemens 40 Amp 2 Pole 240 Volt Bolt-On Molded Case Circuit Breaker

BQ2B040H - Siemens - 40 Amp Molded Case Circuit Breaker

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

$135^{99 CAD} $135.99 CAD

THHQB2140 - GE 40 Amp 2 Pole 240 Volt Bolt-On Molded Case Circuit Breaker

THHQB2140 - GE - 22kA Circuit Breaker

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

$94^{99 CAD} $94.99 CAD

TED134040WL - GE 40 Amp 3 Pole 480 Volt Molded Case Thermal Magnetic Circuit Breaker

TED134040WL - GE - Molded Case Circuit Breaker

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

$588^{99 CAD} $588.99 CAD

Limited availability

BQGF240 - Commander 40 Amp 2 Pole Bolt-On GFCI Circuit Breakers

BQGF240 - Commander 40 Amp GFCI Circuit Breakers

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

Eaton Cutler-Hammer

$707^{99 CAD} $707.99 CAD

QC1040 - Eaton - Circuit Breaker

QC1040 - Eaton - Circuit Breaker

Feed Thru - 40 Amp - 1 Pole - 120 Volt

Eaton Cutler-Hammer

$41^{99 CAD} $41.99 CAD

QBGFEP1040 - Eaton Cutler-Hammer 40 Amp 1 Pole Ground Fault Equipment Protection Bolt-On Circuit Breaker

QBGFEP1040 - Eaton - 40 Amp GFEP Circuit Breaker

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

Eaton Cutler-Hammer

$412^{99 CAD} $412.99 CAD

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

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

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

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

Limited availability

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

$879^{99 CAD} $879.99 CAD

B340H - Siemens - 40 Amp 22kA Circuit Breaker

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

$241^{99 CAD} $241.99 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

BQ240220 - Eaton - Molded Case Circuit Breaker

BQ240220 - Eaton - Molded Case Circuit Breaker

40 Amp - 2 Pole - 240 Volt

$96^{99 CAD} $96.99 CAD

BQC2402120 - Eaton - Molded Case Circuit Breaker

BQC2402120 - Eaton - Molded Case Circuit Breaker

40 Amp - 2 Pole - 240 Volt

$96^{99 CAD} $96.99 CAD

BQC240240 - Eaton - Molded Case Circuit Breaker

BQC240240 - Eaton - Molded Case Circuit Breaker

40 Amp - 2 Pole - 240 Volt

$96^{99 CAD} $96.99 CAD

BRD230240 - Eaton - Molded Case Circuit Breaker

BRD230240 - Eaton - Molded Case Circuit Breaker

40 Amp - 2 Pole - 240 Volt

$104^{99 CAD} $104.99 CAD

CL240 - Eaton - Molded Case Circuit Breaker

CL240 - Eaton - Molded Case Circuit Breaker

40 Amp - 2 Pole - 240 Volt

$35^{99 CAD} $35.99 CAD

8EM1312-4CF18-OFA3 - Siemens - Panel

8EM1312-4CF18-OFA3 - Siemens - Panel

40A - 208/240 Volt

$999^{99 CAD} $999.99 CAD

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