OEM Pressostat commande moteur B71A
The OEM B71A (SKU 3G-CBM-03580) is a pressure switch for direct control of single-phase and two-phase electric motors on pumps, compressors and autoclave groups, and for fluids chemically compatible with its friction…
SKU 3G-CBM-03580
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
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Product Description
The OEM B71A (SKU 3G-CBM-03580) is a pressure switch for direct control of single-phase and two-phase electric motors on pumps, compressors and autoclave groups, and for fluids chemically compatible with its friction diaphragm. It has a G 1/4 flange connection, stainless steel metal parts with a shockproof thermoplastic cover, and a body admissible temperature of -15 to 60 °C. The bipolar double-breaking silver-alloy contact allows motor control up to 3A without a contactor, with an adjustable differential and a B71 range of 1,5 ÷ 4,5 bar; it complies with EN 60947-5-1 and carries IP40 protection.
Frequently Asked Questions
What is the OEM B71A pressure switch used for?
The OEM B71A is a direct-control pressure switch for single-phase and two-phase electric motors on pumps, compressors and domestic or industrial autoclave groups. It also suits gases or liquids chemically compatible with its friction diaphragm. Contacts open as pressure rises, and the bipolar contact controls motors up to 3 A without a contactor.
What are the specifications of the OEM B71A pressure switch?
The OEM B71A has a stainless steel body with a shockproof thermoplastic cover, a G 1/4 flange connection and a friction-diaphragm sensing element. Its adjustable range is 1.5 to 4.5 bar with a differential of 1.0 to 2.1 bar, rated 415 V~ insulation, 15 A Ith and IP40 protection. Body temperature range is -15 °C to 60 °C; maximum controlled fluid temperature is 70 °C. It complies with EN 60947-5-1.
Where to buy the OEM B71A pressure switch worldwide?
3G Electric supplies the OEM B71A pressure switch (SKU 3G-CBM-03580) to customers worldwide, handling logistics, customs and delivery. Contact us with your quantity and destination for a quote and lead time.
How is the OEM B71A pressure switch installed and adjusted?
The OEM B71A installs directly on the pipe via its G 1/4 flange, with output connections through two cable glands and an earth clamp. The differential is adjustable, and the connection pressure rises when the setting screw is turned. Keep the body within -15 °C to 60 °C and the controlled fluid at or below 70 °C.
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3G Electric supplies OEM controls & actuators. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
