Disconnect Switches

Wistex supplies disconnect switches built to meet OSHA lock-out/tag-out requirements while providing safe, reliable isolation for industrial equipment. Choose from fusible, non-fusible, and motor disconnect options up to 2000 A, all available in NEMA 4X and NEMA 12 enclosures for harsh or dusty environments. With rapid shipping and expert guidance, Wistex ensures you get the right switch for the job. Need overcurrent protection? Pair your switch with one of our circuit breakers.

  • ASD40H3FV4000 Noark UL 1066 Air disconnect switch, 4000A Frame, 100kA, 3P, 4000A, Fixed type, Vertical connection

    ASD40H3FV4000

    $18,759.96
    $20,844.40
    UL 1066 Air disconnect switch, 4000A Frame, 100kA, 3P, 4000A, Fixed type, Vertical connection
  • ASD40H4FV4000 Noark UL 1066 Air disconnect switch, 4000A Frame, 100kA, 4P, 4000A, Fixed type, Vertical connection

    ASD40H4FV4000

    $26,268.65
    $29,187.39
    UL 1066 Air disconnect switch, 4000A Frame, 100kA, 4P, 4000A, Fixed type, Vertical connection
  • ASD40Q3FV4000 Noark UL 1066 Air disconnect switch, 4000A Frame, 65kA, 3P, 4000A, Fixed type, Vertical connection

    ASD40Q3FV4000

    $14,183.44
    $15,759.38
    UL 1066 Air disconnect switch, 4000A Frame, 65kA, 3P, 4000A, Fixed type, Vertical connection
  • ASD40Q4FV4000 Noark UL 1066 Air disconnect switch, 4000A Frame, 65kA, 4P, 4000A, Fixed type, Vertical connection

    ASD40Q4FV4000

    $19,923.46
    $22,137.18
    UL 1066 Air disconnect switch, 4000A Frame, 65kA, 4P, 4000A, Fixed type, Vertical connection
  • ASD40R3FV4000 Noark UL 1066 Air disconnect switch, 4000A Frame, 85kA, 3P, 4000A, Fixed type, Vertical connection

    ASD40R3FV4000

    $16,316.84
    $18,129.82
    UL 1066 Air disconnect switch, 4000A Frame, 85kA, 3P, 4000A, Fixed type, Vertical connection
  • ASD40R4FV4000 Noark UL 1066 Air disconnect switch, 4000A Frame, 85kA, 4P, 4000A, Fixed type, Vertical connection

    ASD40R4FV4000

    $22,840.29
    $25,378.10
    UL 1066 Air disconnect switch, 4000A Frame, 85kA, 4P, 4000A, Fixed type, Vertical connection
  • AX10N11 Noark Auxiliary contact, for 1600A Frame DC1500V Air switch disconnector, Contact configuration 1NO+1NC

    AX10N11

    $202.95
    $225.50
    Auxiliary contact, for 1600A Frame DC1500V Air switch disconnector, Contact configuration 1NO+1NC
  • AX10N22 Noark Auxiliary contact, for 1600A Frame DC1500V Air switch disconnector, Contact configuration 2NO+2NC

    AX10N22

    $279.05
    $310.06
    Auxiliary contact, for 1600A Frame DC1500V Air switch disconnector, Contact configuration 2NO+2NC
  • AX10N22C Noark Auxiliary contact, for 1600A Frame DC1500V Air switch disconnector, Contact configuration 2NO/NC

    AX10N22C

    $279.05
    $310.06
    Auxiliary contact, for 1600A Frame DC1500V Air switch disconnector, Contact configuration 2NO/NC
  • AX10N44C Noark Auxiliary contact, for 1600A Frame DC1500V Air switch disconnector, Contact configuration 4NO/NC

    AX10N44C

    $355.17
    $394.63
    Auxiliary contact, for 1600A Frame DC1500V Air switch disconnector, Contact configuration 4NO/NC
  • AX11ND44 Noark Auxiliary contact, For 2500A Frame (A25) ACB Drawout type, Contact configuration 4NO+4NC

    AX11ND44

    $364.01
    $404.46
    Auxiliary contact, For 2500A Frame (A25) ACB Drawout type, Contact configuration 4NO+4NC
  • AX11ND44C Noark Auxiliary contact, For 2500A Frame (A25) ACB Drawout type, Contact configuration 4NO/NC

    AX11ND44C

    $182.01
    $202.23
    Auxiliary contact, For 2500A Frame (A25) ACB Drawout type, Contact configuration 4NO/NC
  • AX11ND66 Noark Auxiliary contact, For 2500A Frame (A25) ACB Drawout type, Contact configuration 6NO+6NC

    AX11ND66

    $409.28
    $454.76
    Auxiliary contact, For 2500A Frame (A25) ACB Drawout type, Contact configuration 6NO+6NC
  • AX11ND66C Noark Auxiliary contact, For 2500A Frame (A25) ACB Drawout type, Contact configuration 6NO/NC

    AX11ND66C

    $205.10
    $227.89
    Auxiliary contact, For 2500A Frame (A25) ACB Drawout type, Contact configuration 6NO/NC
  • AX11NF44 Noark Auxiliary contact, For 2500A Frame (A25) ACB Fixed type, Contact configuration 4NO+4NC

    AX11NF44

    $364.01
    $404.46
    Auxiliary contact, For 2500A Frame (A25) ACB Fixed type, Contact configuration 4NO+4NC
  • AX11NF44C Noark Auxiliary contact, For 2500A Frame (A25) ACB Fixed type, Contact configuration 4NO/NC

    AX11NF44C

    $182.01
    $202.23
    Auxiliary contact, For 2500A Frame (A25) ACB Fixed type, Contact configuration 4NO/NC
  • AX11NF66 Noark Auxiliary contact, For 2500A Frame (A25) ACB Fixed type, Contact configuration 6NO+6NC

    AX11NF66

    $409.28
    $454.76
    Auxiliary contact, For 2500A Frame (A25) ACB Fixed type, Contact configuration 6NO+6NC
  • AX11NF66C Noark Auxiliary contact, For 2500A Frame (A25) ACB Fixed type, Contact configuration 6NO/NC

    AX11NF66C

    $205.10
    $227.89
    Auxiliary contact, For 2500A Frame (A25) ACB Fixed type, Contact configuration 6NO/NC
  • AX12ND44 Noark Auxiliary contact, For 3200A Frame (A32) ACB Drawout type, Contact configuration 4NO+4NC

    AX12ND44

    $428.69
    $476.32
    Auxiliary contact, For 3200A Frame (A32) ACB Drawout type, Contact configuration 4NO+4NC
  • AX12ND44C Noark Auxiliary contact, For 3200A Frame (A32) ACB Drawout type, Contact configuration 4NO/NC

    AX12ND44C

    $214.34
    $238.16
    Auxiliary contact, For 3200A Frame (A32) ACB Drawout type, Contact configuration 4NO/NC
  • AX12ND66 Noark Auxiliary contact, For 3200A Frame (A32) ACB Drawout type, Contact configuration 6NO+6NC

    AX12ND66

    $480.90
    $534.33
    Auxiliary contact, For 3200A Frame (A32) ACB Drawout type, Contact configuration 6NO+6NC
  • AX12ND66C Noark Auxiliary contact, For 3200A Frame (A32) ACB Drawout type, Contact configuration 6NO/NC

    AX12ND66C

    $241.37
    $268.19
    Auxiliary contact, For 3200A Frame (A32) ACB Drawout type, Contact configuration 6NO/NC
  • AX12NF44 Noark Auxiliary contact, For 3200A Frame (A32) ACB Fixed type, Contact configuration 4NO+4NC

    AX12NF44

    $428.69
    $476.32
    Auxiliary contact, For 3200A Frame (A32) ACB Fixed type, Contact configuration 4NO+4NC
  • AX12NF44C Noark Auxiliary contact, For 3200/4000A Frame (A32/A40) ACB Fixed type, Contact configuration 4NO/NC

    AX12NF44C

    $214.34
    $238.16
    Auxiliary contact, For 3200/4000A Frame (A32/A40) ACB Fixed type, Contact configuration 4NO/NC
  • AX12NF66 Noark Auxiliary contact, For 3200A Frame (A32) ACB Fixed type, Contact configuration 6NO+6NC

    AX12NF66

    $480.90
    $534.33
    Auxiliary contact, For 3200A Frame (A32) ACB Fixed type, Contact configuration 6NO+6NC
  • AX12NF66C Noark Auxiliary contact, For 3200A Frame (A32) ACB Fixed type, Contact configuration 6NO/NC

    AX12NF66C

    $241.37
    $268.19
    Auxiliary contact, For 3200A Frame (A32) ACB Fixed type, Contact configuration 6NO/NC
  • AX3111L Noark MCB Auxiliary Contact, UL1077, 1NO+1NC, AC480V/DC130V B1E80~125A

    AX3111L

    $37.42
    $41.58
    MCB Auxiliary Contact, UL1077, 1NO+1NC, AC480V/DC130V B1E80~125A
  • AX3111N Noark MCB Auxiliary Contact, UL 489, 1NO+1NC

    AX3111N

    $21.19
    $23.54
    MCB Auxiliary Contact, UL 489, 1NO+1NC
  • AX3111U Noark MCB Auxiliary Contact, UL 1077, 1NO+1NC

    AX3111U

    $21.19
    $23.54
    MCB Auxiliary Contact, UL 1077, 1NO+1NC
  • AX4104UL Noark Auxiliary Contact, Ex9CS/CSR, Miniature, Front Mount, 06~12A, 4NC

    AX4104UL

    $18.37
    $20.41
    Auxiliary Contact, Ex9CS/CSR, Miniature, Front Mount, 06~12A, 4NC
  • AX4113UL Noark Auxiliary Contact, Ex9CS/CSR, Miniature, Front Mount, 06~12A, 1NO+3NC

    AX4113UL

    $18.37
    $20.41
    Auxiliary Contact, Ex9CS/CSR, Miniature, Front Mount, 06~12A, 1NO+3NC
  • AX4122UL Noark Auxiliary Contact, Ex9CS/CSR, Miniature, Front Mount, 06~12A, 2NO+2NC

    AX4122UL

    $18.37
    $20.41
    Auxiliary Contact, Ex9CS/CSR, Miniature, Front Mount, 06~12A, 2NO+2NC
  • AX4131UL Noark Auxiliary Contact, Ex9CS/CSR, Miniature, Front Mount, 06~12A, 3NO+1NC

    AX4131UL

    $18.37
    $20.41
    Auxiliary Contact, Ex9CS/CSR, Miniature, Front Mount, 06~12A, 3NO+1NC
  • AX4140UL Noark Auxiliary Contact, Ex9CS/CSR, Miniature, Front Mount, 06~12A, 4NO

    AX4140UL

    $18.37
    $20.41
    Auxiliary Contact, Ex9CS/CSR, Miniature, Front Mount, 06~12A, 4NO
  • AX4202UL Noark Auxiliary Contact, Ex9C/CR, Standard, Front Mount, 09-500A, 2NC

    AX4202UL

    $12.17
    $13.52
    Auxiliary Contact, Ex9C/CR, Standard, Front Mount, 09-500A, 2NC
  • AX4204UL Noark Auxiliary Contact, Ex9C/CR, Standard, Front Mount, 09-500A, 4NC

    AX4204UL

    $21.00
    $23.33
    Auxiliary Contact, Ex9C/CR, Standard, Front Mount, 09-500A, 4NC
  • AX4211UL Noark Auxiliary Contact, Ex9C/CR, Standard, Front Mount, 09-500A, 1NO+1NC

    AX4211UL

    $12.17
    $13.52
    Auxiliary Contact, Ex9C/CR, Standard, Front Mount, 09-500A, 1NO+1NC
  • AX4213UL Noark Auxiliary Contact, Ex9C/CR, Standard, Front Mount, 09-500A, 1NO+3NC

    AX4213UL

    $21.00
    $23.33
    Auxiliary Contact, Ex9C/CR, Standard, Front Mount, 09-500A, 1NO+3NC
  • AX4220UL Noark Auxiliary Contact, Ex9C/CR, Standard, Front Mount, 09-500A, 2NO

    AX4220UL

    $12.17
    $13.52
    Auxiliary Contact, Ex9C/CR, Standard, Front Mount, 09-500A, 2NO
  • AX4222UL Noark Auxiliary Contact, Ex9C/CR, Standard, Front Mount, 09-500A, 2NO+2NC

    AX4222UL

    $21.00
    $23.33
    Auxiliary Contact, Ex9C/CR, Standard, Front Mount, 09-500A, 2NO+2NC
  • AX4231UL Noark Auxiliary Contact, Ex9C/CR, Standard, Front Mount, 09-100A, 3NO+1NC

    AX4231UL

    $21.00
    $23.33
    Auxiliary Contact, Ex9C/CR, Standard, Front Mount, 09-100A, 3NO+1NC
  • AX4240UL Noark Auxiliary Contact, Ex9C/CR, Standard, Front Mount, 09-100A, 4NO

    AX4240UL

    $21.00
    $23.33
    Auxiliary Contact, Ex9C/CR, Standard, Front Mount, 09-100A, 4NO
  • AX4311UL Noark Auxiliary Contact, Ex9C/CR, Standard, Side Mount, 09-100A, 1NO+1NC

    AX4311UL

    $12.64
    $14.04
    Auxiliary Contact, Ex9C/CR, Standard, Side Mount, 09-100A, 1NO+1NC
  • AX4402UL Noark Auxiliary Contact, Ex9C/CR, Standard, Side Mount, 115-500A, 2NC

    AX4402UL

    $14.68
    $16.31
    Auxiliary Contact, Ex9C/CR, Standard, Side Mount, 115-500A, 2NC
  • AX4411UL Noark Auxiliary Contact, Ex9C/CR, Standard, Side Mount, 115-500A, 1NO+1NC

    AX4411UL

    $14.68
    $16.31
    Auxiliary Contact, Ex9C/CR, Standard, Side Mount, 115-500A, 1NO+1NC
  • AX4420UL Noark Auxiliary Contact, Ex9C/CR, Standard, Side Mount, 115-500A, 2NO

    AX4420UL

    $14.68
    $16.31
    Auxiliary Contact, Ex9C/CR, Standard, Side Mount, 115-500A, 2NO
  • AX5111 Noark Ex9S32/80 Auxiliary Contact, Front Mount, 1NO + 1NC

    AX5111

    $5.54
    $6.16
    Ex9S32/80 Auxiliary Contact, Front Mount, 1NO + 1NC
  • AX5120 Noark Ex9S32/80 Auxiliary Contact, Front Mount, 2NO

    AX5120

    $5.54
    $6.16
    Ex9S32/80 Auxiliary Contact, Front Mount, 2NO

Disconnect Switches We Offer

Our selection includes trusted brands and enclosure styles to suit virtually any industrial application.

Fusible Safety Switches

Fusible Safety Switches

Fusible disconnects provide short-circuit protection and meet NEC service entrance requirements. Ideal for high SCCR applications, these NF-rated switches accept a variety of fuse classes, including J, R, and H.

Non-Fusible Disconnects

Compact and economical, non-fusible disconnect switches offer a reliable means to manually isolate equipment for maintenance. These are commonly used for motor loads when protection is handled upstream.

Non-Fusible Disconnects
Enclosed Motor Disconnects

Enclosed Motor Disconnects

These all-in-one motor disconnects combine a switch and enclosure, making them ideal for local servicing points on rooftop units, pump panels, or machinery.

Applications for Disconnect Switches

Wistex disconnects are field-proven across a wide range of industrial and commercial systems.

  • HVAC units
  • Machine tools
  • Pump panels
  • Rooftop equipment

Complete your motor control system with contactors and soft starters.

Why Choose Wistex for Safety Disconnects

Wistex is trusted for code-compliant solutions that meet real-world demands. We stock a wide range of fusible and non-fusible disconnect switches, with amperages from 30 A to 2000 A, and enclosure options built for your environment. Our experts can help you build out complete solutions with fuse kits, mounting hardware, and made-in-USA selections, all ready to ship fast.

Disconnect Switch FAQs

Need help choosing or sizing a disconnect switch? Start with these commonly asked questions.

A fusible disconnect switch is typically required when short-circuit protection is needed at the point of service, such as service entrances or fault-current applications. Many local codes also specify fusing for added safety.

To size a switch, multiply your motor's Full Load Amps (FLA) by 115%, consider voltage and phase, and select the correct fuse class. Browse our 30A disconnect switch options or filter by amperage to find your match.

A disconnect switch provides a safe means to isolate power, but unlike a circuit breaker, it does not offer overcurrent protection. Disconnects are ideal for lock-out/tag-out compliance and scheduled maintenance.