DS-47 / 42

Product catalog summary

Overview: The document provides technical specifications and guidelines for the DS-4*7/4*2 pressure switches, designed for high-security applications with dual micro-switches to minimize faults.

Specifications:

Interchangeable with DS-307/302, maintaining the same dimensions.
Electrical lifetime is increased with different contact designs and materials.
Preferred applications include aircraft plants and lifting platforms.

Electrical Connection:

Features electro-mechanical double-throw switches, available in double NOC or double NCC configurations.
Protection rating of IP 65 according to DIN 40050.
Appliance inlet according to DIN 43650 (PG 9).

Hydraulic Data:

Switching pressure range varies from 5-350 bar depending on the model.
Switching accuracy is less than 1% variation.
Operates in ambient temperatures from -40°C to +90°C.

Features:

Housing made of aluminum with a brass standard body.
Switching travel of 0.5 mm to reduce wear.
Subplates available for valve mounting NG 6 or NG 10.

Ordering Information:

Various configurations available, including flange mounting, integrated subplate, and special sealing options.
Pressure ranges and maximum pressures are specified for different configurations.

Installation Notes:

Installation should be performed by technical specialists.
Comply with national and international regulations for electro-technical equipment installation.
Ensure the equipment is not energized before connection.
Avoid vibrations, oscillations, and high switching currents to extend service life.

Additional Information:

Viton® is a registered trademark of DuPont Performance Elastomers.
Contact details for Hydropa Group are provided for further inquiries.

Catalog excerpts

Pressure Switches nyaropa®- HYDROSTAR

Open the catalog to page 1

DS-4*7/4*2 The Pressure Switch for Safety Switching DGBM-Roll-No. G. 9212767.3 Reduction of faults, caused by Micro-Switches, to a minimum. Statistically up to 106 switching cycles without faulty switching. Fully interchangeable to DS-307/302. - Same dimensions. Electrical lifetime considerably increased. 2 Micro-Switches with a) different contact design b) different contact material. All mounting dimensions like DS-307/302 Preferred application: air craft plants, lifting platforms ... Electrical Connection Switching symbols without pressure DS-417 double NOC 2 1 Function pressure increase Function...

Open the catalog to page 2

Pressure Switch, Characteristics DS-4*7 DS-4*7 1. General Design Connection Adjustment Safety Mounting position 2. Hydraulic data Switching pressure range Switching accuracy Ambient temperature Fluid 3. Electric data Switch Spring-loaded piston, because of mechanical turn is possible to get the spring screwed on “block” Thread G ¼ female or subplate, pitch circle ø 44 mm Adjustable screw top or knurled knob Locking screw 20-150 bar Variations of less than 1% - 40 °C bis + 90 °C Oil, oil-in-water-emulsion Electro-mechanical double-throw switch or, resp., double NCC or double NOC for standard performance:...

Open the catalog to page 3

Standard DS-4*7/4*2 S = Viton®fluoroelastomers G = 2 tapped holes B = 2 mounting holes SL = silver contacts Additionals notes = Flange mounting F = Pressure Switch with integrated F/P 90°-subplate (p max. = 350 bar) = scale and knurled knob V2 AS-H2** = with lock E 10 H2 SCH** = panel mounting = lead seal (not for version PO with scale) = brass housing MS** = special sealing (low function) SS** only for following pressure ranges: 5- 55 bar 10-100 bar 40-240 bar 20-350 bar Viton® is a registered trademark of DuPont Performance Elastomers. NOTE ! The unit may only be installed by technical specialists....

Open the catalog to page 4