Designed for Lower Switching Values
Pressure switch 903 factory-set from -5 to 5 mbar.
Application
Factory-set pressure switch monitoring overpressure of liquid and gaseous media. Pressure setting and switching differential are factory set by the manufacturer.
Applications of 903 low-pressure Switch
- Wastewater technology
- Liquid level measurement
- Pump control
- Medical technology and many more.
Technical Data of the Factory-set Pressure Switch 903
Temperature range
Ambient temperature –20° C to 85° C
Diaphragm material
NBR
Electrical rating
Standard version:
max. 6 (1.5) A / 250 VAC
max. 10 (2) A / 250 VAC
max. 2 A / 24 VDC
Low-voltage version :
max. 100 mA / 24 VAC
max. 30 mA / 24 VDC
Electrical connection:
Tab terminal 6.3 mm x 0.8 mm in accordance with DIN 46244
Pressure connection
Combined hose and threaded connection: 6.5 mm and G1/4, PPS
Damping
Restrictors alternatively with 0.3/0.5/0.8 mm diameter
Protection
IP00 without protection cap
IP 54 / IP 65 depending on the used protection cap
Protection class
Protection class II is only met by using a protection cap from our accessories program.
The pressure switch without the protection cap is provided for installation in equipment. The construction of the equipment and the type of installation determine the protection class.
Warning
Please do read instructions before use. This regulating and control unit must be installed in compliance with the applicable regulations
Conformity
EU Low Voltage Directive EU RoHS Directive
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