B71A pressure switch 1 5-4 5 bar
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The B71A pressure switch is a control device designed for the direct control of electric pump motors, with a two-phase connection. It automatically manages the pump’s start-up and shutdown according to system pressure, ensuring efficient operation of booster sets and pressure tanks. The high contact rating of 415 Vac 12(3)A allows direct motor control without the need for a contactor in many configurations. The adjustable cut-in pressure range from 1.5 to 4.5 bar and the maximum differential of 2.3 bar provide flexibility during adjustment, adapting to various system requirements. The IP20 protection rating makes it suitable for sheltered environments, while its compact dimensions of 92x67x95 mm facilitate installation. A robust and reliable solution for hydraulic automation.
Technical specifications:
- Cut-in pressure range: 1.5–4.5 bar
- Maximum differential: 2.3 bar
- Two-phase connection
- Contact rating: 415 Vac 12(3)A
- Protection rating: IP20
- Dimensions: 92x67x95 mm
- Direct motor control