WIKA PS-20 User Manual

2301300.07 EN/DE/FR 12/2017
13 WIKA Operating instructions / Betriebsanleitung / Mode d'emploi PS-20, PS-21
Specifications Model PS-20 / PS-21
Shock resistance g 500 according to IEC 60068-2-27 (mechanical shock)
Vibration resistance g 15 according to IEC 60068-2-26 (vibration under resonance)
Wiring protection
■
Short-circuit proofness Sig+ towards U
B-
■
Reverse polarity protection UB+ towards U
B-
■
Overvoltage protection VDC 36
Weight kg Approx. 0.2
*) In an oxygen version model PS-21 is not available. In an oxygen version model PS-20 is only available with media temperatures between -4 … +140 °F / -20 … +60 °C and
using stainless steel or Elgiloy® wetted parts.
{ } Items in curved brackets are optional extras for additional price.
Functional test
■
Open pressure connections only after the system is without pressure!
■
Observe the ambient and working conditions outlined in section 7 „Technical data".
■
Please make sure that the pressure switch is only used within the overload threshold
limit at all times!
When touching the pressure switch, keep in mind that the surfaces of the instrument
components might get hot during operation.
When designing your plant, take into account that the stated values (e.g.burst pressure, over pressure
safety) apply depending on the material, thread and sealing element used.
7. Starting, operation
GB
Warning
Caution

WIKA PS-20 Specifications

General

Brand	WIKA
Model	PS-20
Category	Switch
Language	English