BECK(901)

Adjustable pressure switch monitoring overpressure, vacuum or differential pressure of liquid and gaseous – also aggressive – media.

Application
Adjustable pressure switch monitoring overpressure, vacuum or differential pressure of liquid and gaseous – also aggressive – media. The pressure switch uses a scaled adjustment knob to enable the adjustment of trip and reset pressure without the use of a screwdriver.
Temperature range
  • Ambient temperature from –20° C to 85° C.
  • Temperature of media from 85° C or 130° C depending on material of pressure connection and diaphragm.
Diaphragm material
Depending on media NBR, Silicone, FKM (Viton®), EPDM.
For 901.8x Silicone, others upon request.
Electrical rating
Values indicated for resistive load
AgNi-contacts: 6(1.5) A/250 VAC
2 A/24 VDC
Gold-plated contacts: 100 mA/24 VAC
30 mA/24 VDC
AgNi-contacts up to 10 A/250 VAC can be supplied upon request.
Electrical connection
AMP connection 6.3 mm x 0.8 mm DIN 46244.
CE Conformity
each depending on technical specification: Low Voltage
  • Directive 2006/95/EC
  • RoHS Directive 2011/65/EC
  • ATEXDirective 94/9/EC
  • Gas Appliance Directive 90/396/EC (only for Type 901.61 to 901.65 with brass pressure connection).
Life
Minimum 106 cycles.
Damping
Restrictors alternatively with 0.3/0.5/0.8 mm diameter.
Accessories
Various mounting brackets and protection caps with IP 44, IP 54 and IP 65.
Mounting position
Mounting in any position, to be specified for settings below 100 mbar.

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