NOSHOK Authorized Distributor

NOSHOK 400 Series Mechanical Heavy-Duty Pressure Switches 400H-3-2-300/2900-8, 1 Single Pole Double Throw (SPDT), 1/4 MNPT, 300 to 2,900 psig, DIN EN 175301-803 Form

SKU: 400H-3-2-300/2900-8
Made in the United States
$146.99 Was: $162.58 You Save $15.59
Available
Process Connection Size1/4 in
Electrical ConnectionDIN EN 175301-803 Form A
Typically ships in 3–5 business days from the manufacturer
Need it fast? Call 888-825-8800 — we may be able to expedite your order.
Estimated ship date: calculating...
Sourced from Vetted Suppliers Every product is quality-checked from certified manufacturers
Need It Fast? Call 888-825-8800
30-Day Returns · see policy
Expert Support: 888-825-8800

Technical Specifications

General

TypeMechanical Switch
Series400
Switching FunctionSingle Pole Double Throw (SPDT) Snap-Action Micro Switch
Switch Adjustable Range300 to 2,900 psig
Switch PointField Adjustable and/or Factory Set
HysteresisPiston Type, 2% to 8% of Adjustment Range Full Scale
Service Life< 1,000,000 Load Cycles
Measuring ElementNitrile Rubber (NBR) diaphragm ≤ 230 psig
Shock According to International Electrotechnical Commission (IEC) 60068-2-2730 g
Vibration According to International Electrotechnical Commission (IEC) 60068-2-610 g
Warranty1
BrandNOSHOK
Manufacturer Part #400H-3-2-300/2900-8
Size1/4"
Country of OriginMade in the United States

Materials & Construction

Housing MaterialZinc Die-Cast

Performance

Environmental RatingIP65 - DIN EN 175301-803 Form A
Electromagnetic RatingEuropean Conformity (CE) Compliant to European Standard (EN) 73/23/EWG Radio Frequency Interference (RFI), Electromagnetic Interference (EMI) and Electrostatic Discharge (ESD) Protection
Contact Rating6A @ 12/24 Vdc

Connections

Electrical ConnectionDIN EN 175301-803 Form A
Process ConnectionNPT Male
Process Connection Size1/4 in

Dimensions & Weight

Weight0.66 lb

Overview

400 Series - Mechanical Heavy-Duty Pressure Switches

  • Switch adjustment ranges from vacuum through 4,600 psig depending on model
  • Standard Zinc-plated Steel with NBR diaphragm (< 225 psig); Steel piston with NBR seal (> 225 psig) wetted parts
  • SPDT snap-action switch
  • RoHS compliant