GAS PRESSURE SWITCH FOR VR46../VR86.. AND VK41../VK81..
APPLICATION
The gas pressure switch 45900438- 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 45900438- 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.)
45900438-1xx : gas pressure switch
45900438-2xx : gas pressure switch with cover
45900438-3xx : adjustable gas pressure switch with cover
45900438-4xx : adjustable gas pressure switch with cover
and terminal cap
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
Contents
English .................................................................... Page 1
Deutsch .................................................................. Seite 3
1
45900438-
INSTRUCTION SHEET
Order number
45900429-050
45900429-051
MU1R-9165 1211RB-NE