SCH-Ex-DNM Pressure Switch

Brand: KOBOLD Instruments, Inc.

All parts of the SCH-Ex-DNM series of pressure switches which come into contact with the medium are made of stainless steel. The pressure sensor is welded by the most up-to-date method without added material.

The Aluminum switch housing has a high resistance to the corrosive effects of the ambient atmosphere.

Specifications

Accuracy

  • 1 bar

Ambient Temperature Range

  • -25° to 70° C (-13° to 158° F) - Maximum

Approvals & Certifications

  • ATEX - Ex II2 GD Ex de IIC T6

BSP Connection

  • External Thread G 1/2" A (Pressure Gauge Connection) According to DIN 16288
  • Internal Thread G 1/4" to ISO 228 Part 1

Electrical Rating

  • 0.03 A at 250 Vdc Resistive (ATEX Version)
  • 2 A at 250 Vac Inductive (ATEX Version)
  • 3 A at 24 Vdc Resistive (ATEX Version)
  • 3 A at 250 Vac Resistive (ATEX Version)

Element

  • 316Ti Stainless Steel - Pressure Bellow
  • 430F Stainless Steel - Sensor Casing

Enclosure / Body Material

  • Rugged Housing of Seawater Resistant Aluminum Die Casting GD Al Si 12 - Switching Device

Environmental Protection

  • IP54 with Vertical Fitting Position
  • IP65 - with Ex-DE-Version

Maximum System Pressure

  • bar: 6 to 130
  • kPa: 600 to 13,000
  • psi: 87.02 to 1,885

Mounting

  • Vertically Upwards & Horizontal

Process Fitting Details

  • Directly in the Pressure Line (Pressure Gauge Connection) or on a Flat Surface with 2 - Off 4 mm Screws

Set Point Range

  • bar: 0.04 to 63
  • kPa: 4 to 6,300
  • psi: 0.58 to 913.7

Switch Type

  • Single-Pole Change-Over Switch

Temperature Range

  • 85° C (185° F) - Maximum

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