Atex Flameproof Marking And Electrical Safety Parameters - Baker Hughes Masoneilan 496 Series Instruction Manual

5. ATEX Flameproof Marking and Electrical Safety
Parameters
5.1 Marking
The marking is on the serial plate stamped on the
496 cover (rep 14).
•
Name and address of the manufacturer
Dresser Produits Industriels S.A.S.
14110 CONDE SUR NOIREAU – FRANCE
•
Type designation:
– 496-857 for position transmitter
– 496-857/• for position transmitter with
additional function(s)
The • can be replaced by 1, 2, 4, 5, 6, 7
– 496-•57 for position switches
The • can be replaced by 1, 2, 4, 5, 6, 7
– 496-157/• and 496-257/• for position switches
with additional function(s)
The • can be replaced by 1, 2
•
the specific marking:
•
the complementary marking:
For position switch(es) 496-•57 and 496-•57/•
and position transmitter with or without additional
function(s) 496-857 and 496-857/•
– Ex db IIC T6 Gb Ta –55°C, +75°C (*)
Ex tb IIIC T85°C Db IP66/IP67
– Ex d IIC T5 Gb Ta –55°C, +85°C (*)
Ex tb IIIC T100°C Db IP66/IP67
(*) Ambient temperatures ranges and surface
temperatures for the temperature classifications T6, T5
and T4 are given in Annex II with the different possible
combinations allowed.
•
Serial number
•
Year of manufacturing
•
Number of notified body
•
EC-Type examination certificate number
AVERTISSEMENT : NE PAS OUVRIR SOUS TENSION
WARNING : DO NOT OPEN WHEN ENERGIZED
Warning
AVERTISSEMENT : DANGER POTENTIEL DE
CHARGES ELECTROSTATIQUES – VOIR
INSTRUCTIONS
WARNING: POTENTIAL DANGER OF ELECTROSTATIC
CHARGES. SEE INSTRUCTIONS
10 | Baker Hughes
II 2 GD
••••
Warning
WARNING
AVERTISSEMENT : NE PAS OUVRIR SI UNE ATMOSPHERE
EXPLOSIVE GAZEUSE EST PRESENTE
WARNING: DO NOT OPEN WHEN AN EXPLOSIVE GAS
ATMOSPHERE IS PRESENT
•
T cable:
Mandatory mention when the ambient temperature is
higher than 70°C.
T ambient
70°C
75°C
80°C
85°C
5.2 Electrical safety parameter
•
Maximum dispersed power = 5W
•
Voltage supply allowable:
Min Voltage
Type
496-157 or
496-257 or
496-657 or
496-757
496-457 or
496-557
Pepperl &
Fuchs
496-457 or
496-557
Télémécanique
496-857/•
(direct current)
© 2020 Baker Hughes Company. All rights reserved.
T cable
75°C
80°C
85°C
90°C
Max Voltage
220V
(direct current) or
-
250V
(alternative current)
16V
-
(direct current)
58V
-
(direct current)
9.0V 36V
(direct current)