Back To Top
B-Series NEMA 4X Pressure Switch
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.
Ashcroft B-Series NEMA 4X Pressure Switch


±1.00% full scale
NEMA 4X (IP66) epoxy coated aluminum
Single setpoint
SPDT or DPDT switching option
Pressure Ranges
Vacuum to 3,000 psi


  • Adjustable setpoints from 15%-100% of range
  • Fixed or limited adjustable deadband
  • Wide selection of switch elements and wetted materials
  • Internal setpoint locking screw
Trust the shield.
Ashcroft's passion is to design, manufacture, and deliver the most innovative and well-crafted pressure and temperature instruments so you can always trust the shield.

Get more information on the B-Series Nema 4x Pressure Switch from Ashcroft.