OEM Pressure switch motor control B70A
The OEM B70A is a pressure switch for direct control of three-phase motors on pumps, compressors and autoclave groups, and for fluids chemically compatible with its friction diaphragm. It offers a 0.5–7 bar range…
SKU 3G-CBM-03579
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 B70A is a pressure switch for direct control of three-phase motors on pumps, compressors and autoclave groups, and for fluids chemically compatible with its friction diaphragm. It offers a 0.5–7 bar range with adjustable differential of +0.8 to +1.8 bar, maximum pressure 3.5 bar, G 1/4 female connection and IP40 protection, operating from -15 to 60 °C. A three-pole contact allows single- or three-phase motor control up to 9 A without a contactor, and the switch complies with EN 60947-4-1.
Frequently Asked Questions
What is the OEM B70A pressure switch used for?
The OEM B70A is a pressure switch for direct control of three-phase motors on pumps, compressors and domestic or industrial autoclave groups. It is also suitable for gases or liquids chemically compatible with its friction diaphragm. It opens its contacts as pressure rises and controls motors up to 9 A in AC-3 without a contactor.
What are the specifications of the OEM B70A pressure switch?
The OEM B70A has a 0.5 to 7 bar range, adjustable differential of +0.8 to +1.8 bar, 3.5 bar maximum pressure, G 1/4 female connection and IP40 protection. It operates from -15 to 60 °C (fluid up to 90 °C) and stores from -35 to 60 °C. Electrical ratings: Ui 415 V~, Ith 25 A, AC-1 20 A, AC-3 9 A; 4 kW (5.5 HP) at 380/415 V~. It complies with EN 60947-4-1.
Where to buy the OEM B70A pressure switch worldwide?
3G Electric supplies the OEM B70A pressure switch (SKU 3G-CBM-03579) 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 B70A pressure switch installed and adjusted?
The OEM B70A installs directly on the pipe via its G 1/4 female connection. Pressure regulation is set at the connection: the disconnection value rises on screwing. The differential is adjustable and must be deducted from the range value. Contacts open as pressure increases; a three-pole contact allows single-phase or three-phase motor control up to 9 A without a contactor.
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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.
