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

269 items

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  • Ashcroft B4, Type 400 Pressure Switch
    B424S60# Ashcroft Pressure Switch
    B424S60#

    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, 60 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
    B464V100# Ashcroft Pressure Switch
    B464V100#

    Ashcroft

    Product Type: Pressure Switches

    Ashcroft B4, Type 400 Pressure Switch, 1/4" FPT, 125/250/480 VAC, 125/250 VDC, 15/1/2/1/4 A, 2SPDT, 100 PSI, NEMA 3/4/4X/13, IP66, Epoxy Coated Aluminum, Direct/Surface Mount, Rugged Diaphragm/Viton Sealed Piston Actuator, Water Tight, Dual General...
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  • Ashcroft B4, Type 400 Pressure Switch
    B429B100# Ashcroft Pressure Switch
    B429B100#

    Ashcroft

    Product Type: Pressure Switches

    Ashcroft B4, Type 400 Pressure Switch, 1/4" FPT, 125/250 VAC, 15 A, SPDT, 100 PSI, NEMA 3/4/4X/13, IP66, Epoxy Coated Aluminum, Direct/Surface Mount, Rugged Diaphragm/Buna-N Sealed Piston Actuator, Water Tight, Manual Reset Trip on Decreasing, Single...
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  • Ashcroft D4, Type 400 Pressure Switch
    D424SX0615#D Ashcroft Pressure Switch
    D424SX0615#D

    Ashcroft

    Product Type: Pressure Switches

    Ashcroft D4, Type 400 Pressure Switch, 1/4" FPT and 1/2" MPT, 125/250/480 VAC, 30/125/250 VDC, 15/1/2/1/4/6 A, SPDT, 15 PSI, NEMA 3/4/4X/13, IP66, Epoxy Coated Aluminum, Direct/Surface Mount, Unique Dual Diaphragm/316L Stainless Steel Sealed Piston...
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  • Ashcroft D4, Type 400 Pressure Switch
    D424S15#D Ashcroft Pressure Switch
    D424S15#D

    Ashcroft

    Product Type: Pressure Switches

    Ashcroft D4, Type 400 Pressure Switch, 1/4" FPT, 125/250/480 VAC, 30/125/250 VDC, 15/1/2/1/4/6 A, SPDT, 15 PSI, NEMA 3/4/4X/13, IP66, Epoxy Coated Aluminum, Direct/Surface Mount, Unique Dual Diaphragm/316L Stainless Steel Sealed Piston Actuator,...
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  • Ashcroft B4, Type 400 Pressure Switch
    B424BXFMFS400# Ashcroft Pressure Switch
    B424BXFMFS400#

    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, 400 PSI, NEMA 3/4/4X/13, IP66, Epoxy Coated Aluminum, Direct/Surface Mount, Rugged Diaphragm/Buna-N Sealed Piston Actuator, Water Tight, General...
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  • Ashcroft B4, Type 400 Pressure Switch
    B424BXFM600# Ashcroft Pressure Switch
    B424BXFM600#

    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, 600 PSI, NEMA 3/4/4X/13, IP66, Epoxy Coated Aluminum, Direct/Surface Mount, Rugged Diaphragm/Buna-N Sealed Piston Actuator, Water Tight, General...
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  • Ashcroft B4, Type 400 Pressure Switch
    B424SXFM60# Ashcroft Pressure Switch
    B424SXFM60#

    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, 60 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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