DSB product brochure

DSB product brochure

DSB product brochure

Product catalog summary
Overview
The document provides technical specifications and details for the SKF DSB series digital change-over pressure switch, designed for use with NLGI 1-2 greases. It is suitable for various industrial applications including machine tools, printing machines, wind turbines, service vehicles, and steel and heavy industries.

Specifications
  • Operating Pressure: 20 to 300 bar (290 to 4,350 psi) in 10-bar increments.
  • Operating Temperature: -25 to +80 °C (-13 to 176 °F).
  • Electrical Connection: Connector socket 3+PE, DIN EN 175 301-803 A.
  • Materials: Anodized aluminum housing, silver alloy contact with hard gold plating.
  • Protection Class: IP 65.
  • Dimensions: Vary by model, minimum 60 × 105 × 76 mm, maximum 150 × 153 × 76 mm.

Features and Benefits
  • Adaptable to SKF VR lubricant metering devices.
  • Micro switch functions as a change-over switch, usable as normally closed (NC) or normally open (NO).
  • Prevents grease bleeding, allowing continuous lubricant flow without dead space.
  • Suitable for unstable greases prone to separation under high pressure.

Technical Data
  • Function Principle: Digital pressure switch.
  • Operating Voltage: Max. 30 V AC; max. 36 V DC.
  • Operating Current: Max. 50 mA, min. 1 mA.
  • Breaking Capacity: Max. 1.2 VA.
  • Mechanical Service Life: 105 switching cycles.

Design and Certification
  • Corrosivity Category: C3 or C5M per ISO 12944.
  • Certification: Germanischer Lloyd (GL).
  • Design Options: Standard or offshore applications.

Applications
  • Machine tools, printing machines, wind turbines, service vehicles, steel and heavy industries.

Order Information
Includes identification codes for product series, pressure switch type, rated switching pressure, measurement connector, electrical connection, and design options.
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Catalog excerpts

DSB product brochure-1

Pressure switch DSB Digital change over pressure switch for rising and falling pressures Grease up to NLGI 2 up to 300 bar (4 350 psi) -25 to +80 °C (-13 to 176 °F) 2 x G1/4 via t-connector Connector socket 3+PE DIN EN 175 301-803 A Applications • Machine tools • Printing machines • Wind turbines • Service vehicles • Steel and heavy i

 Open the catalog to page 1
DSB product brochure-2

Product information design optionally with one or two mechanical switches switch design enables continuous lubricant flow without dead space Optional 250 or 400 bar, 3625 or 5800 psi pressure gauge Lightweight corrosion resistant anodized aluminum body 2 holes for fixing screws T-connector with G1/4 inlet and outlet Technical data SKF pressure switches of product series DSB are mechanical piston pressure switches that are specially designed for use with NLGI 1-2 greases. The location of the actuating piston inside the pressure switch housing helps to ensure a continuous exchange of grease around...

 Open the catalog to page 2
DSB product brochure-3

Technical drawing Electrical connection

 Open the catalog to page 3
DSB product brochure-4

Order information Identification code Product series DS Pressure switch type B Pressure switch I S = switch on increasing pressure F = switch on decreasing pressure Rated switching pressure I 02 = 20 bar; 290 psi 03 = 30 bar; 435 psi 04 = 40 bar; 580 psi ... (in 10-bar increments up to) 30 = 300 bar; 4 350 psi Pressure switch II 0 = no pressure switch S = switch on increasing pressure F = switch on decreasing pressure Rated switching pressure II 00 = no pressure switch 02 = 20 bar; 290 psi 03 = 30 bar; 435 psi 04 = 40 bar; 580 psi ... (in 10-bar increments up to) 30 = 300 bar; 4 350 psi Measurement...

 Open the catalog to page 4

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.