GAS PRESSURE SWITCH FOR VR46../VR86.. AND VK41../VK81..
APPLICATION
The gas pressure switch 45.900.438-- functions as a minimum
inlet gas pressure supervision with a safe start interlock.
In combination with V(R)46../V(R)86.. or VK41../VK81.. gas
controls a SPDT or SPST contact is operated as a part of a
safe start check circuit.
Burner will not be allowed to operate unless the gas inlet
pressure is above the set point.
DESCRIPTION
The gas pressure switch 45.900.438-- is designed to be fitted
directly on the inlet pressure tap of a V(R)46../V(R)86.. or
VK41../VK81.. combination gas control by means of a
mounting/connection screw.
SPECIFICATIONS
Model (See table 1.)
45.900.438--1xx : gas pressure switch
45.900.438--2xx : gas pressure switch with cover
45.900.438--3xx : adjustable gas pressure switch with cover
Material
Diaphragm: NBR (Butadiene acrylon nitrile rubber
Housing: POM (Polyoximethylene)
Contacts: Gold plated or AgNi
Dimensions
See fig. 2., 3., 4. and 5.
Ambient temperature
--10 ... 70 _C
COMBINATION GAS CONTROLS
Pressure setting (see table 1.)
Differential (depending on set--point):
up to 16 mbar: minimum 2.5 mbar.
16 ... 35 mbar: maximum 5.0 mbar.
Maximum sustained pressure
150 mbar.
Maximum operating pressure
100 mbar.
Terminals
Conform DIN 43650
Electrical connection
AMP faston 6.3 x 0.8 mm
Din plug conform DIN 43650
Enclosure
IP 00
Accessories
Description
Cable plug (conform DIN 43650)
Cover with screw
English
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Deutsch
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45.900.438-
INSTRUCTION SHEET
Order number
45.900.429--050
45.900.429--051
Contents
MU1R- -9165 0005R5- -NE
Page 1
Seite 3