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  • 140U-H6C3-C40-SURN

    ALLEN BRADLEY

    SKU: 140U-H6C3-C40-SURN

    140U-H6C3-C40-SURN

    Type: Circuit Breaker
    Amperage: 40
    Poles: 3
    $250.00
    1 in stock
  • B340

    SIEMENS

    SKU: B340

    B340

    Type: Circuit Breaker
    Amperage: 40
    Voltage: 120/240
    Poles: 3
    Type: Bolt On
    $79.98
    Available for backorder
  • BQ3B040

    SIEMENS

    SKU: BQ3B040

    BQ3B040

    Type: Circuit Breaker
    Amperage: 40
    Voltage: 120/240
    Poles: 3
    Type: Bolt On
    $141.67
    3 in stock
  • GHB3040S4

    CUTLER HAMMER

    SKU: GHB3040S4

    GHB3040S4

    $333.33
    1 in stock
  • Q340

    SIEMENS

    SKU: Q340

    Q340

    Type: Circuit Breaker
    Amperage: 40
    Voltage: 120/240
    Poles: 3
    Type: Plug On
    $81.10
    3 in stock
  • QO340

    SQUARE D

    SKU: QO340

    QO340

    Type: Circuit Breaker
    Amperage: 80
    Voltage: 120/240
    Poles: 3
    Type: Plug On
    $110.00
    4 in stock
  • QOB340

    SQUARE D

    SKU: QOB340

    QOB340

    Type: Circuit Breaker
    Amperage: 40
    Voltage: 120/240
    Poles: 3
    Type: Bolt On
    $214.23
    4 in stock
  • QOU340

    SQUARE D

    SKU: QOU340

    QOU340

    Type: Feed Through Circuit Breaker
    Amperage: 40
    Voltage: 120/240
    Poles: 3
    Type: Din Rail
    $141.67
    2 in stock
  • QOU3401200

    SQUARE D

    SKU: QOU3401200

    QOU3401200

    Type: Feed Through Circuit Breaker
    Amperage: 40
    Voltage: 120/240
    Poles: 3
    Type: Din Rail
    Type: Auxiliary Contact
    $141.67
    3 in stock
  • S803U-K40

    ABB

    SKU: S803U-K40

    S803U-K40

    Type: Circuit Breaker
    Amperage: 40
    Voltage: 240
    Poles: 3
    Trip Type: TMF
    Interrupting Rating: 50ka @ 240
    Trip Characteristic: K
    Standard: UL489
    $130.00
    Available for backorder
  • ST203M-B40

    ABB

    SKU: ST203M-B40

    ST203M-B40

    Type: Circuit Breaker
    Amperage: 40
    Voltage: 480
    Poles: 3
    Trip Type: TMF
    Interrupting Rating: 10ka @ 480
    Trip Characteristic: B
    Standard: UL1077
    $132.46
    Available for backorder
  • ST203M-D40

    ABB

    SKU: ST203M-D40

    ST203M-D40

    Type: Circuit Breaker
    Amperage: 40
    Voltage: 480
    Poles: 3
    Trip Type: TMF
    Interrupting Rating: 10ka @ 480
    Trip Characteristic: D
    Standard: UL1077
    $139.10
    Available for backorder
  • ST203M-K40

    ABB

    SKU: ST203M-K40

    ST203M-K40

    Type: Circuit Breaker
    Amperage: 40
    Voltage: 480
    Trip Type: TMF
    Interrupting Rating: 5ka @ 480
    Trip curve: K
    Standard: UL1077
    $139.10
    3 in stock
  • SU203M-K40

    ABB

    SKU: SU203M-K40

    SU203M-K40

    Type: Circuit Breaker
    Amperage: 40
    Voltage: 480/277
    Poles: 3
    Trip Type: TMF
    Interrupting Rating: 10ka @ 480
    Trip curve: K
    Standard: UL489
    $137.94
    3 in stock
  • TED134040

    ABB

    SKU: TED134040

    TED134040

    Type: Circuit Breaker
    Amperage: 40
    Voltage: 480
    Poles: 3
    Trip Type: TMA
    Interrupting Rating: 18ka @ 480
    Terminals: Load side Only
    Standard: UL 80%
    $1,178.78
    1 in stock
  • TED134040WL

    ABB

    SKU: TED134040WL

    TED134040WL

    Type: Circuit Breaker
    Amperage: 40
    Voltage: 480
    Poles: 3
    Trip Type: TMA
    Interrupting Rating: 18ka @ 480
    Terminals: Line and Load
    Standard: UL 80%
    $1,062.72
    3 in stock
  • TED136040WL

    ABB

    SKU: TED136040WL

    TED136040WL

    Type: Circuit Breaker
    Amperage: 40
    Voltage: 600
    Poles: 3
    Trip Type: TMA
    Interrupting Rating: 18ka @ 480
    Terminals: Line and Load
    Standard: UL 80%
    $1,270.66
    Available for backorder
  • TEY340

    ABB

    SKU: TEY340

    TEY340

    Type: Circuit Breaker
    Amperage: 40
    Voltage: 480
    Poles: 3
    Trip Type: TMF
    Interrupting Rating: 14ka @ 480
    Line Terminals: Bolt-On
    Load Terminals: 14-8 AWG
    Standard: UL 80%
    $569.00
    9 in stock
  • TEYD3040B

    ABB

    SKU: TEYD3040B

    TEYD3040B

    $500.00
    2 in stock
  • TEYH3040B

    ABB

    SKU: TEYH3040B

    TEYH3040B

    Type: Circuit Breaker
    Amperage: 40
    Voltage: 480
    Poles: 3
    Trip Type: TMA
    Interrupting Rating: 35k @ 480
    Terminals: Load side Only
    Standard: UL 80%
    Mounting: Bolt On
    $1,177.00
    Available for backorder
  • THQB32040

    ABB

    SKU: THQB32040

    THQB32040

    Type: Circuit Breaker
    Amperage: 40
    Voltage: 120/240
    Poles: 3
    Type: Bolt On
    $242.00
    2 in stock
  • THQC32040WL

    ABB

    SKU: THQC32040WL

    THQC32040WL

    Type: Circuit Breaker
    Amperage: 40
    Voltage: 120/240
    Poles: 3
    Type: Feed Through
    $242.00
    3 in stock
  • THQL32040

    ABB

    SKU: THQL32040

    THQL32040

    Type: Circuit Breaker
    Amperage: 40
    Voltage: 120/240
    Poles: 3
    Type: Plug On
    $104.40
    5 in stock
  • THQL32040ST1

    ABB

    SKU: THQL32040ST1

    THQL32040ST1

    Type: Circuit Breaker
    Amperage: 40
    Voltage: 120/240
    Poles: 3
    Type: Plug On
    Type: Shunt trip 120VAC
    $205.20
    Available for backorder
  • XB1HU3040ADD00D5XX

    ABB

    SKU: XB1HU3040ADD00D5XX

    XB1HU3040ADD00D5XX

    Type: Enclosed Circuit Breaker
    Amperage: 40
    Voltage: 480
    Poles: 3
    Enclosure: Nema 1 Surface
    Type: ASSEMBLY
    $1,260.67
    3 in stock
  • XB1HU3040ADD00F2XX

    ABB

    SKU: XB1HU3040ADD00F2XX

    XB1HU3040ADD00F2XX

    Type: Enclosed Circuit Breaker
    Amperage: 40
    Voltage: 480
    Poles: 3
    Enclosure: Nema 3R
    Type: ASSEMBLY
    $1,337.93
    3 in stock
  • XB1HU3040ADD00H5XX

    ABB

    SKU: XB1HU3040ADD00H5XX

    XB1HU3040ADD00H5XX

    Type: Enclosed Circuit Breaker
    Amperage: 40
    Voltage: 480
    Enclosure: Nema 12 steel no knockouts
    Type: ASSEMBLY
    $1,917.43
    1 in stock
  • XB1HU3040ADD00J5XX

    ABB

    SKU: XB1HU3040ADD00J5XX

    XB1HU3040ADD00J5XX

    Type: Enclosed Circuit Breaker
    Amperage: 40
    Voltage: 480
    Poles: 3
    Enclosure: Nema 4X SS
    Type: ASSEMBLY
    $2,510.93
    1 in stock
  • XB1NU3040ADD00D5XX

    ABB

    SKU: XB1NU3040ADD00D5XX

    XB1NU3040ADD00D5XX

    Type: Enclosed Circuit Breaker
    Amperage: 40
    Voltage: 480
    Poles: 3
    Enclosure: Nema 1 Surface
    Type: ASSEMBLY
    $1,057.50
    4 in stock
  • XB1NU3040ADD00F2XX

    ABB

    SKU: XB1NU3040ADD00F2XX

    XB1NU3040ADD00F2XX

    Type: Enclosed Circuit Breaker
    Amperage: 40
    Voltage: 480
    Poles: 3
    Enclosure: Nema 3R
    Type: ASSEMBLY
    $1,134.77
    8 in stock
  • XB1NU3040ADD00J5XX

    ABB

    SKU: XB1NU3040ADD00J5XX

    XB1NU3040ADD00J5XX

    Type: Enclosed Circuit Breaker
    Amperage: 40
    Voltage: 480
    Poles: 3
    Enclosure: Nema 4X SS
    Type: ASSEMBLY
    $2,307.77
    1 in stock
  • XT1HU3040AAA000XXX

    ABB

    SKU: XT1HU3040AAA000XXX

    XT1HU3040AAA000XXX

    Type: Circuit Breaker
    Amperage: 40
    Voltage: 460
    Poles: 3
    Trip Type: TMF
    Interrupting Rating: 65ka @ 480
    Line Terminals: Saddle clamps Installed
    Load Terminals: Saddle clamps Installed
    Standard: UL 80%
    Type: ASSEMBLY
    $362.34
    5 in stock
  • XT1HU3040AFF000XXX

    ABB

    SKU: XT1HU3040AFF000XXX

    XT1HU3040AFF000XXX

    Type: Circuit Breaker
    Amperage: 40
    Voltage: 480
    Poles: 3
    Trip Type: TMF
    Interrupting Rating: 65ka @ 480
    Line Terminals: No Lugs Installed
    Load Terminals: No Lugs Installed
    Standard: UL 80%
    $317.06
    4 in stock
  • XT1HU3040AYD000XXX

    ABB

    SKU: XT1HU3040AYD000XXX

    XT1HU3040AYD000XXX

    Type: Circuit Breaker
    Amperage: 40
    Voltage: 480
    Poles: 3
    Trip Type: TMF
    Interrupting Rating: 65k @ 480
    Line Terminals: ReliaGear NeXT
    Load Terminals: 10-2/0 AWG
    Standard: UL 80%
    $647.00
    6 in stock
  • XT1HU3040AYDD00XXX

    ABB

    SKU: XT1HU3040AYDD00XXX

    XT1HU3040AYDD00XXX

    Type: Circuit Breaker
    Amperage: 40
    Voltage: 460
    Poles: 3
    Trip Type: TMF
    Interrupting Rating: 65ka @ 480
    Line Terminals: ReliaGear neXT
    Load Terminals: 10-2/0 AWG
    Standard: UL 80%
    Shunt Trip: 110-127 V AC/110-125 V DC
    Type: ASSEMBLY
    $1,024.00
    5 in stock
  • XT1NQ3040AFF000XXX

    ABB

    SKU: XT1NQ3040AFF000XXX

    XT1NQ3040AFF000XXX

    Type: Circuit Breaker
    Amperage: 40
    Voltage: 480
    Poles: 3
    Trip Type: TMF
    Interrupting Rating: 25ka @ 480
    Line Terminals: No Lugs Installed
    Load Terminals: No Lugs Installed
    Standard: UL 100%
    $194.96
    Available for backorder
  • XT1NU3040AAA000XXX

    ABB

    SKU: XT1NU3040AAA000XXX

    XT1NU3040AAA000XXX

    Type: Circuit Breaker
    Amperage: 40
    Voltage: 480
    Poles: 3
    Trip Type: TMF
    Interrupting Rating: 25ka @ 480
    Line Terminals: Saddle clamps Installed
    Load Terminals: Saddle calmps Installed
    Standard: UL 80%
    Type: ASSEMBLY
    $240.44
    8 in stock
  • XT1NU3040AFF000XXX

    ABB

    SKU: XT1NU3040AFF000XXX

    XT1NU3040AFF000XXX

    Type: Circuit Breaker
    Amperage: 40
    Voltage: 480
    Poles: 3
    Trip Type: TMF
    Interrupting Rating: 25ka @ 480
    Line Terminals: No Lugs Installed
    Load Terminals: No Lugs Installed
    Standard: UL 80%
    $195.16
    3 in stock
  • XT1NU3040AFFD00XXX

    ABB

    SKU: XT1NU3040AFFD00XXX

    XT1NU3040AFFD00XXX

    Type: Circuit Breaker
    Amperage: 40
    Voltage: 480
    Poles: 3
    Trip Type: TMF
    Interrupting Rating: 25ka @ 480
    Line Terminals: No Lugs Installed
    Load Terminals: No Lugs Installed
    Shunt trip: 110-127 VAC/110-125 VDC
    Standard: UL 80%
    Type: ASSEMBLY
    $367.68
    3 in stock
  • XT1NU3040AYD000XXX

    ABB

    SKU: XT1NU3040AYD000XXX

    XT1NU3040AYD000XXX

    Type: Circuit Breaker
    Amperage: 40
    Voltage: 480
    Poles: 3
    Trip Type: TMF
    Interrupting Rating: 25ka @ 480
    Line Terminals: ReliaGear NeXT
    Load Terminals: 10-2/0 AWG
    Standard: UL 80%
    $461.50
    11 in stock
  • XT1NU3040AYDD00XXX

    ABB

    SKU: XT1NU3040AYDD00XXX

    XT1NU3040AYDD00XXX

    Type: Circuit Breaker
    Amperage: 40
    Voltage: 480
    Poles: 3
    Trip Type: TMF
    Interrupting Rating: 25ka @ 480
    Line Terminals: ReliaGear NeXT
    Load Terminals: 10-2/0 AWG
    Shunt trip: 110-127 VAC/110-125 VDC
    Type: ASSEMBLY
    $810.50
    5 in stock
  • XT1SU3040AAA000XXX

    ABB

    SKU: XT1SU3040AAA000XXX

    XT1SU3040AAA000XXX

    Type: Circuit Breaker
    Amperage: 40
    Voltage: 480
    Poles: 3
    Trip Type: TMF
    Interrupting Rating: 50ka @ 480
    Line Terminals: Saddle clamps Installed
    Load Terminals: Saddle clamps Installed
    Standard: UL 80%
    $288.80
    Available for backorder
  • XT1SU3040AFF000XXX

    ABB

    SKU: XT1SU3040AFF000XXX

    XT1SU3040AFF000XXX

    Type: Circuit Breaker
    Amperage: 40
    Voltage: 480
    Poles: 3
    Trip Type: TMF
    Interrupting Rating: 35ka @ 480
    Line Terminals: No Lugs Installed
    Load Terminals: No Lugs Installed
    Standard: UL 80%
    $189.70
    Available for backorder
  • XT2HU3040RFF000XXX

    ABB

    SKU: XT2HU3040RFF000XXX

    XT2HU3040RFF000XXX

    Type: Circuit Breaker
    Amperage: 40
    Voltage: 480
    Poles: 3
    Trip Type: EKIP Touch LSI
    Interrupting Rating: 65ka @ 480
    Line Terminals: No Lugs Installed
    Load Terminals: No Lugs Installed
    Standard: UL 80%
    $1,519.28
    Available for backorder
  • XT4HU3040GFF000XXX

    ABB

    SKU: XT4HU3040GFF000XXX

    XT4HU3040GFF000XXX

    Type: Circuit Breaker
    Amperage: 40
    Voltagee: 480
    Poles: 3
    Trip Type: LSIG Ekip dip
    Interrupting Rating: 65ka @ 480
    Line Terminals: No Lugs Installed
    Load Terminals: No Lugs Installed
    Standard: UL 80%
    $1,440.96
    2 in stock
  • XT4LU3040AFG000XXX

    ABB

    SKU: XT4LU3040AFG000XXX

    XT4LU3040AFG000XXX

    Type: Circuit Breaker
    Amperage: 40
    Voltage: 480
    Poles: 3
    Trip Type: TMF
    Interrupting Rating: 100ka @ 480
    Line Terminals: No Lugs attached
    Load Terminals: 14–1/0 AWG
    Standard: UL 80%
    $1,218.50
    Available for backorder
  • XT4LU3040FFF000XXX

    ABB

    SKU: XT4LU3040FFF000XXX

    XT4LU3040FFF000XXX

    Type: Circuit Breaker
    Amperage: 40
    Voltage: 480
    Poles: 3
    Trip Type: LSI Ekip dip
    Interrupting Rating: 100ka @ 480
    Line Terminals: No Lugs Installed
    Load Terminals: No Lugs Installed
    Standard: UL 80%
    $1,361.14
    Available for backorder
  • XT4SU3040FYG00GXXX

    ABB

    SKU: XT4SU3040FYG00GXXX

    XT4SU3040FYG00GXXX

    Type: Circuit Breaker
    Amperage: 40
    Voltage: 480
    Poles: 4
    Trip Type: LSI Ekip Dip
    Interrupting Rating: 35ka @ 480
    Line Terminals: ReliaGear NeXT
    Load Terminals: 14-1/0 AWG
    Standard: UL 80%
    Locking Device: Fixed padlock in Open or closed Position
    $1,824.50
    Available for backorder
  • XT4SU3040GYG000XXX

    KILLARK

    SKU: XT4SU3040GYG000XXX

    XT4SU3040GYG000XXX

    Type: Circuit Breaker
    Amperage: 40
    Voltage: 480
    Poles: 3
    Trip Type: LSIG Ekip Dip
    Interrupting Rating: 35ka @ 480
    Line Terminals: ReliaGear neXT
    Load Terminals: 14–1/0 AWG
    Standard: UL 80%
    $2,107.57
    Available for backorder
  • XT5HU340AENN000XXX

    ABB

    SKU: XT5HU340AENN000XXX

    XT5HU340AENN000XXX

    Type: Circuit Breaker
    Amperage: 400
    Voltage: 480
    Poles: 3
    Trip Type: LS/I
    Interrupting Rating: 65ka @ 480
    Line Terminals: 2x2/0 AWG-500 KCMIL
    Load Terminals: 2x2/0 AWG-500 KCMIL
    Standard: UL 80%
    Type: ASSEMBLY
    $2,787.50
    Available for backorder
  • XT5HU340AMFF000XXX

    ABB

    SKU: XT5HU340AMFF000XXX

    XT5HU340AMFF000XXX

    Type: Circuit Breaker
    Amperage: 400
    Voltage: 480
    Poles: 3
    Trip Type: MCP
    Interrupting Rating: 65ka @ 480
    Line Terminals: No Lugs Installed
    Load Terminals: No Lugs Installed
    Standard: UL 80%
    $1,483.82
    Available for backorder