Pressure Switch DS-117-***/B/M12 OverviewThis document provides technical specifications and installation guidelines for the Pressure Switch DS-117-***/B/M12 by HYDROSTAR. It includes details on hysteresis, nominal switching capacity, ambient temperature, protection, connection, pressure range, and working fluid.
Specifications- Hysteresis: Adjustable pressure of approximately 60-70% of max adjustable pressure, with hysteresis approximately 5-12% of end value.
- Nominal Switching Capacity: Standard micro switch with silver (Ag 999), compliant with CEE 24, VDE 0630, UL 1054/CSA C22.2 standards.
- Ambient Temperature: -40 °C to +90 °C.
- Protection: IP 65.
- Connection: G ¼ female, with pressure adjustment and locking by two screw tops with a 6 mm hexagonal recess.
- Pressure Range: Various ranges with maximum pressures of 200, 400, and 500 bar.
- Working Fluid: Hydraulic oil, not suitable for explosive gases or water.
- Weight: 0.27 kg.
Electrical Specifications- Voltage: 250 AC and 24 DC.
- Max Switching Capacity: 5 A resistive load, 1 A motor load for 250 AC; 5 A resistive load, 4 A motor load for 24 DC.
Installation and Safety Instructions- The unit must be installed by a qualified electrician.
- Comply with national and international regulations for electro-technical equipment installation.
- Ensure the equipment is not energized before connecting.
- Voltage supply must comply with EN 50178, SELV, PELV standards.
- Avoid vibrations, oscillations, and high switching currents to retain service life.
Pressure Adjustment- Adjust the switching point using a 6 mm wrench for socket head cap screws.
- Lock the pressure adjustment by rotating the upper locking top clockwise with the same tool.