Ashcroft B Series Pressure Switches

The Ashcroft® B4 pressure switch is designed for use in virtually all industrial and OEM applications. Providing reliability and long-cycle life, it is ideal for satisfying requirements for pressure control, shutdown or alarm operations. Special designs are available to meet boiler/burner, NACE and fire-safe applications.

B Series

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  • Ashcroft B4, Type 400 Pressure Switch
    B461BXFMFS07200# Ashcroft Pressure Switch
    B461BXFMFS07200#

    Ashcroft

    Product Type: Pressure Switches

    Ashcroft B4, Type 400 Pressure Switch, 1/4" and 1/2" FPT, 125/250 VAC, 120 VDC, 15/0.4 A, 2SPDT, 200 PSI, NEMA 3/4/4X/13, IP66, Epoxy Coated Aluminum, Direct/Surface Mount, Rugged Diaphragm/Buna-N Sealed Piston Actuator, Water Tight, Dual Narrow...
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  • Ashcroft B4, Type 400 Pressure Switch
    B432BXFMFSNH30# Ashcroft Pressure Switch
    B432BXFMFSNH30#

    Ashcroft

    Product Type: Pressure Switches

    Ashcroft B4, Type 400 Pressure Switch, 1/4" FPT, 125/250 VAC, 30 VDC, 11/5 A, SPDT, 30 PSI, NEMA 3/4/4X/13, IP66, Epoxy Coated Aluminum, Direct/Surface Mount, Rugged Diaphragm/Buna-N Sealed Piston Actuator, Water Tight, Hermetically Sealed, General...
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  • Ashcroft B4, Type 400 Pressure Switch
    B424SXNH100# Ashcroft Pressure Switch
    B424SXNH100#

    Ashcroft

    Product Type: Pressure Switches

    Ashcroft B4, Type 400 Pressure Switch, 1/4" FPT, 125/250/480 VAC, 30/125/250 VDC, 15/1/2/1/4/6 A, SPDT, 100 PSI, NEMA 3/4/4X/13, IP66, Epoxy Coated Aluminum, Direct/Surface Mount, Rugged Diaphragm/316L Stainless Steel Sealed Piston Actuator, Water Tight,...
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  • Ashcroft B4, Type 400 Pressure Switch
    B420BXFM15# Ashcroft Pressure Switch
    B420BXFM15#

    Ashcroft

    Product Type: Pressure Switches

    Ashcroft B4, Type 400 Pressure Switch, 1/4" FPT, 125/250 VAC, 120 VDC, 15/0.4 A, SPDT, 15 PSI, NEMA 3/4/4X/13, IP66, Epoxy Coated Aluminum, Direct/Surface Mount, Rugged Diaphragm/Buna-N Sealed Piston Actuator, Water Tight, Narrow Deadband, Single...
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  • Ashcroft B4, Type 400 Pressure Switch
    B420V200# Ashcroft Pressure Switch
    B420V200#

    Ashcroft

    Product Type: Pressure Switches

    Ashcroft B4, Type 400 Pressure Switch, 1/4" FPT, 125/250 VAC, 120 VDC, 15/0.4 A, SPDT, 200 PSI, NEMA 3/4/4X/13, IP66, Epoxy Coated Aluminum, Direct/Surface Mount, Rugged Diaphragm/Viton Sealed Piston Actuator, Water Tight, Narrow Deadband, Single...
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  • Ashcroft B4, Type 400 Pressure Switch
    B461B60# Ashcroft Pressure Switch
    B461B60#

    Ashcroft

    Product Type: Pressure Switches

    Ashcroft B4, Type 400 Pressure Switch, 1/4" FPT, 125/250 VAC, 120 VDC, 15/0.4 A, 2SPDT, 60 PSI, NEMA 3/4/4X/13, IP66, Epoxy Coated Aluminum, Direct/Surface Mount, Rugged Diaphragm/Buna-N Sealed Piston Actuator, Water Tight, Dual Narrow Deadband, Single...
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  • Ashcroft B4, Type 400 Pressure Switch
    B420T60# Ashcroft Pressure Switch
    B420T60#

    Ashcroft

    Product Type: Pressure Switches

    Ashcroft B4, Type 400 Pressure Switch, 1/4" FPT, 125/250 VAC, 120 VDC, 15/0.4 A, SPDT, 60 PSI, NEMA 3/4/4X/13, IP66, Epoxy Coated Aluminum, Direct/Surface Mount, Rugged Diaphragm/Non-Stick Sealed Piston Actuator, Water Tight, Narrow Deadband, Single...
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  • Ashcroft B4, Type 400 Pressure Switch
    B427V30# Ashcroft Pressure Switch
    B427V30#

    Ashcroft

    Product Type: Pressure Switches

    Ashcroft B4, Type 400 Pressure Switch, 1/4" FPT, 125/250 VAC, 15 A, SPDT, 30 PSI, NEMA 3/4/4X/13, IP66, Epoxy Coated Aluminum, Direct/Surface Mount, Rugged Diaphragm/Viton Sealed Piston Actuator, Water Tight, Single Setpoint, Pressure Switch.
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