RIEGLER EDS-1 Manuel D'utilisation page 33

9. Specifications
Dimensions in mm (inch)
Pressure switch with circular connector M12 x 1 (4-pin and 5-pin)
EN
(∅1.50) (∅1.16)
(∅1.38)
(1.06)
Weight: approx. 220 g (7.76 oz)
32 WIKA operating instructions pressure switch, model PSD-4