Product Description

B4 Pressure Switch

Used on many of our enclosed blower packages, this NEMA 4X Pressure Switch from Ashcroft is known for its reliability and long-cycle life. The Ashcroft® B4 Pressure Switch model is ideal for satisfying the requirements for pressure control, shutdown or alarm operations.

  • B4 enclosure – Type 400 watertight NEMA 4X epoxy coated aluminum enclosure; meets NEMA 3, 4, 4X, 13 and IP66 requirements
  • General purpose switch element – 15A, 125/250/480 Vac; 1/2A, 125 Vdc; 1/4A, 250 Vdc; 6A, 30 Vdc
  • Actuator Seal Selection – Buna-N
  • Standard 1/4″ Female NPT
  • Pressure range – 0 to 15psi

The B4 Pressure Switch is highly reliable so it used in a wide range of applications

Process Market:

  • Offshore Oil Rigs
  • Chemical and Petrochemical Plants
  • Pulp and Paper Mills
  • Power Plants
  • Steel Mills
  • Water and Sewage Treatment Facilities

Industrial Market:

  • Pumps, Compressors and Turbines
  • Boilers and Burners
  • Degreasers and Evaporators
  • Recovery Systems
  • Reverse Osmosis Systems / Filters
  • Food Processing
  • Ground Support Equipment
  • Hydraulic and Lubrication Systems
  • Heating and Air Conditioning
  • Marine Equipment
  • Specialized OEM Equipment

NEMA 4X Pressure Switch

BOM Number: B424B-XFS15 SKU: 29455 Category:


Watertight NEMA 4X enclosure
Lead time 2 weeks

Shipping Weight: 3 lbs
Shipping Dimensions: 5 × 5 × 6 in