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300 Series Pressure Switch

Brand: Noshok, Inc

Features
  • Switch Adjustment Ranges from 3 to 30 psig (20.68 to 206.8 kPa, 0.2068 to 2.068 bar ) through 450 to 4,600 psig (3,103 to 31,716 kPa, 31.03 to 317.2 bar) 
  • Standard Zinc-Plated Steel with NBR Diaphragm (<225 psig) 
  • Steel Piston with NBR Seal (>225 psig) Wetted Parts 
  • SPDT Single Changeover Contact Configuration 
  • RoHS Compliant 

Specifications

Brand

Accuracy

  • ± 2 % of Full Scale

Ambient Temperature Range

  • -20° to 80° C (-4° to 176° F)

Approvals & Certifications

  • RoHS Compliant

Diaphragm Material

  • NBR Diaphragm < 225 psig (Measuring Element)

Electrical Connectors

  • 36” Cable
  • Hirschmann (DIN EN 175301-803 Form A)

Electrical Contacts

  • Silver-Plated

Electrical Rating

  • Up to 125 Vac 4 A
  • Up to 250 Vac 4 A
  • Up to 28 Vdc 2A

Enclosure, Body Material

  • Zinc-Plated Steel

Environmental Protection

  • IP65

Hysteresis

  • Adjustable, 10-30 % Depending on Switch Point

Media

  • Diaphragm Typical: Compressed Air or Non-Corrosive Liquids
  • Piston Typical: Self Lubricating Fluids Such as Hydraulic Oil or Grease

NPT Connection

  • 1/4” NPT Male

Piston Material

  • Steel

Process Temperature

  • -20° to 80° C (-4° to 176° F)

Proof Pressure

  • bar: 59.98 to 344.7
  • kPa: 5,998 to 34,470
  • psig: 870 to 5,000

Seat / Seal Material

  • NBR

Set Point - Decreasing

  • bar: 0.2 to 317.1
  • kPa: 20.7 to 31,716
  • psig: 3 to 4,600

Set Point - Increasing

  • bar: 0.2 to 317.1
  • kPa: 20.7 to 31,716
  • psig: 3 to 4,600

Storage Temperature

  • -20° to 80° C (-4° to 176° F)

Switch Type

  • Single Changeover Contact, SPDT, Micro Switch

System Pressure

  • bar: 344.7
  • kPa: 34,474
  • psig: 5,000, Max.

  • Hydraulics and Pneumatics 
  • Pumps and Compressors 
  • Tank Monitoring 
  • Leak Detection 
  • Water Management 

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