Import Differential Pressure Switch — Buy in Bulk from Supplier in China

The differential pressure switch offered by Catic Control Co. is a compact device designed to monitor over‑pressure, vacuum and differential pressure in air‑handling systems. The product family includes five selectable pressure ranges, each identified by a specific model number such as 609.X0X or 609.X4X. The switch is housed in a polycarbonate enclosure with a silicone diaphragm and features a SPDT contact rated at 2 A/250 VAC.

Typical specifications for this class of switch include a pressure limit of 7500 Pa, a working temperature span of - 20 °C to 85 °C and a storage range of - 40 °C to 85 °C. The device provides a repeatability of ±2 % and is protected to IP54 when the cover is installed. Electrical connection is made via three screw terminals, and the unit can be mounted vertically with pressure ports facing downward. The supplied accessory set contains a 2 m plastic pipe and the necessary fittings for quick installation.

End users such as HVAC contractors, plant maintenance teams and ventilation equipment manufacturers select this switch for its reliable switching performance and ease of integration. Buyers should request confirmation of the exact pressure range, the chosen engineering unit and the recommended installation orientation for their system. Because the supplier’s public response data shows no recent replies, it is prudent to verify the current contact details and request a sample for functional testing. Trade terms, including Incoterm, lead time and payment schedule, must be agreed in writing before any order is placed.

Catic Control Co. is located at Room 1608, Block A Overseas Decoration Building, 122 Zhenhua Road, Shenzhen, China, postal code 518031. The company is listed in the harbor trust tier and carries an imported supplier tier, indicating it sources components for its pressure‑control products.

The firm specialises in differential pressure switches for air and non‑combustible gases, offering selectable ranges and a range of accessories such as pressure‑connection kits. The public listing does not disclose production capacity, certifications or minimum order quantities, so purchasers should ask for ISO or CE documentation and the exact MOQ required for bulk orders.