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Manual BVS 20 ATEX E 091 X
The Control and signalling devices, series
C22, must not be built into the walls of flame-
proof enclosures.
2.
Conformity with Standards
The control and signalling devices, series C22
meet the requirements of IEC/EN 60079-0,
IEC/EN 60079-1 and IEC/EN 60079-31. They
were developed, manufactured and tested in
accordance with ISO 9001:2015.
3.
Technical Data
3.1 Marking
II 2G Ex db IIB+H
Ex db IIC T6/T5 Gb
II 2D Ex tb IIIC T80°C/T95°C Db
3.2
Certification
3.2.1 EU Type Examination Certificate
BVS 20 ATEX E 091 X
3.2.2 IECEx Certificate
IECEx BVS 20.0073X
3.3
Type Code
C22 1 . . . . . - ... Pushbutton
C22 2 . . 024 - ... Signal lamp 24 V DC/AC
C22 2 . . 250 - ... Signal lamp 250 V AC
C22 3 . . . . . - ... Illuminated pushbutton
C22 4 . . . . . - ... Emergency-stop button
C22 51 . . . . - ... Rotary switch
C22 52 . . . . - ... Key-operated switch
C22 53 . . . . - ... Potentiometer
C22 8 . . . . . - ... Numerical display
3.4
Electrical Data
3.4.1 Group IIC
Pushbuttons, switches and emergency-stop
button
Electrical data
Terminal cross section 3 x 0.75 mm²
Edition December 2020
Copyright
T6/T5 Gb
2
250 V AC 1.5 A AC-21
24 V DC 1.5 A DC-21
thuba Ltd., CH-4002 Basel
Switzerland
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