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11 - 13 October 2022 // Nuremberg, Germany

+++ The entries in the exhibitor & product database correspond to the registration status for Chillventa 2020 of 2 June 2020. +++

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Exhibitors & Products Chillventa 2020
Zoom Image LOGO_Pressure switch 901 Prescal®

Pressure switch 901 Prescal®

LOGO_Pressure switch 901 Prescal®

Pressure switch 901 Prescal®

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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 conformance according to EC Low Voltage Directive 73/23/EEC. CE conformance according to EC 2002/95/EC (RoHS). For Type 901.61 to 901.65 with brass pressure connection CE conformance according to EC Gas Appliance Directive 90/396/EEC.

Minimum 106 cycles.

Restrictors alternatively with 0.3/0.5/0.8 mm diameter.

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.

Pressure switch 901 Prescal® is assigned to following product groups:


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