Ashcroft Pressure Switch

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  • Product Type: Pressure Switch
  • Manufacturer: Ashcroft
  • Product Family: Type 400, B4
  • Application: Chemical and Petrochemical Plant Pulp and Papermill, Offshore Oil Rig, Power Plant, Steel Mill, Water and Sewage-Treatment Plant
  • Approval: CE, CRN, Sil 3 Capable, UL/CSA (Canada and US)
  • Connection Type: 1/4 in. Female Threaded
  • Contact Configuration: SPDT
  • Enclosure: IP66, NEMA 3/4/4X/13
  • Enclosure Material: Epoxy Coated Aluminum
  • Operating Pressure Rating: 60 PSI
  • Operator Type: Rugged Diaphragm/Buna-N Sealed Piston Actuator
  • Pressure Media: Water
Ashcroft B4, Type 400 Pressure Switch, 1/4" FPT, 125/250 VAC, 15 A, SPDT, 60 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 Setpoint, Pressure Switch.

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Product Description

Pressure Switch; Type Water Tight, Manual Reset Trip on Decreasing, Single Setpoint; Operator Type Rugged Diaphragm/Buna-N Sealed Piston Actuator; Operating Pressure Rating 60 PSI; Pressure Media Water; Contact Configuration SPDT; Contact Rating 15 Amp at 125/250 Volt AC; Connection Type 1/4 Inch Female Threaded; Enclosure NEMA 3/4/4X/13, IP66; Enclosure Material Epoxy Coated Aluminum; Application Offshore Oil Rig, Chemical and Petrochemical Plant Pulp and Papermill, Steel Mill, Power Plant, Water and Sewage-Treatment Plant; Approval UL/CSA (Canada and US), CE, CRN, Sil 3 Capable; RoHS Complaint; Mounting Type Direct, Surface; Accuracy +/-1 Percent; Temperature Rating -20 to 150 Deg F (Ambient), 0 to 150 Deg F (Process)


Adjustable setpoints 15-100% of range; Special designs for NACE & fire application; Highly reliable; Designed for use in wide range of application; Internal set point lock screw; RoHS Complaint

Series Information

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 NACE and Fire-safe applications.