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Typically ships within 3-4 weeks
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$332.63
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Ashcroft B421T-XFSNH-400# 1/4" NPTF, 2800 kPa, 125/250 VAC, SPDT/DPDT, NEMA 3/4/4X/13/IP66, Epoxy Coated Aluminum, Differential, Watertight, Pressure Switch
MPN: B421T-XFSNH-400#
Typically ships within 3-4 weeks
Can I get this faster?
Subject to factory lead times
$332.63
Questions? Call 1-866-703-5665
Expedited Shipping, Delivery Date, Product Questions & Help
- Overview
- Features
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.
- UL (Canada and US)
- Current Rating 5 Amp (AC)
- Power Plant
- Voltage Rating 125/250 Volt AC
- FM
- Material Stainless Steel (Tag), Non-Stick (Actuator Seal), Buna-N (Diaphragm)
- Temperature Rating -20 to 150 Deg F (Ambient), 0 to 150 Deg F (Process)
- CSA (Canada and US)
- Explosion Proof Enclosure Provide Uncompromising Protection
- Steel Mill
- Chemical and Petrochemical Plant Pulp and Papermill
- CE
- Wide Selection of Switch Element
- Sil 3 Capable
- Overpressure Rating 2400 PSI (Proof), 3000 PSI (Burst)
- Fixed or Limited Adjustable Deadband
- Offshore Oil Rig
- RoHS Compliant
- Factory Adjustable Setpoint 15 to 100 Percent of Range
- Applicable Standard E34743, 55541, 14.0077X
- Water and Sewage-Treatment Plant
Product Series: B4 Type: Differential

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