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CONDOR Pressure Switches 3-phase
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CONDOR Pressure Switches 3-phase
Product catalog summary
Overview: This document provides technical specifications for high-performance pressure switches designed for 3-phase currents, specifically the Mdr series (Mdr 3, Mdr 4, Mdr 4 sd, Mdr 4 su, Mdr 5). These switches are suitable for use with air and water media.
Specifications:
- Number of Poles: All models are 3-pole.
- Contact Function: Mdr 3, Mdr 4, Mdr 4 sd, and Mdr 5 have 3 NC (normally closed) contacts, while Mdr 4 su has 3 NO (normally open) contacts.
- Voltage: All models operate at 400 V.
- Motor Switching Capacity: Ranges from 4 kW to 7.5 kW, with Mdr 3 capable of 11 kW on request.
- Rated Current: Varies from 16 A to 24 A.
- Flange Types: Various options including G 1/2", G 1/4", and F4 types with die-cast aluminium, stainless steel, or brass inner threads.
- Pressure Ranges: Cut-out pressure ranges from 1.3 to 45 bar depending on the model.
- Degree of Protection: IP 44 to IP 54, with Mdr 5 offering IP 65 as a special execution.
- Permissible Media Temperature: For air, -5 to 80 °C; for water, up to 80 °C.
- Max Cross-Section: Fine stranded wire ranges from 2.5 mm² to 4.0 mm².
Standards and Accessories:
- Cable Glands: Provided with 2 x WN grommets, with accessory options for PG11 to 16.
- On/Off Lever: Available with or without EA (emergency action) depending on the model.
- Differential Setting: All models include a differential setting feature.
- Type Designation: Certifications include CSA, UL, and KEMA.
- Unloader Valve: Available as an accessory (EV, AEV).
Notes:
- Higher voltages and specific motor switching capacities are available on demand.
- Additional media compatibility details are available in the full catalogue or upon request.
See more
Catalog excerpts
Table refers to catalogue product Preferred / most used media, further media, see table on page 22 or on demand *2 e.g. four-way flange F4 3/8” (main connection G3/8", additionally 3 x G 1/4" ports) *3 Higher voltages on demand *4 WN = grommets *5 Special execution without on / off switch *6 11 kW on request
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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.