Atex Intrinsic Safety Marking And Electrical Safety Parameters - GE Masoneilan 469 Series Instruction Manual

4. ATEX Intrinsic Safety Marking and Electrical
Safety Parameters
4.1 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:
– 496-858 for transmitter,
– 496-858/• for transmitter with additional
function(s)
– 496-•58 for position switches
the "•" can take the values 1, 2, 4, 5.
• Basic and complementary marking:
– Transmitter alone or with mechanical switch(es)
(additional function):
II 1 GD
Ex ia IIC T.* Ga Tamb = -..°C à +..°C *
Ex ia IIIC T..°C* Da
– Transmitter alone or with proximity switch(es)
(additional function):
II 1G* or II 2G*
Ex ia IIC T.* Ga Tamb = -..°C à +..°C *
– Position mechanical switch(es):
II 1 GD
Ex ia IIC T.* Ga Tamb = -..°C à +..°C *
Ex ia IIIC T..°C* Da
– Position proximity switch(es) (additional function):
II 1G*, II 2G*
Ex ia IIC T.* Ga Tamb = -..°C à +..°C *
* Ambient temperatures ranges and surface
temperatures for the temperature classifications T6, T5
and T4 are given in ANNEX I with:
– Tables 1, 2 and 3 for the transmitter alone, the
mechanical switch(es) alone and the proximity
switch(es) alone.
8 |
BHGE
– Tables 4 and 5 for the transmitter with mechanical
switch(es) and for the transmitter with proximity
switch(es).
• Serial number
• Year of manufacturing
• Number of notified body
• EC-Type examination certificate number
AVERTISSEMENT : DANGER POTENTIEL DE CHARGES
ELECTROSTATIQUES – VOIR INSTRUCTIONS
WARNING: POTENTIAL DANGER OF ELECTROSTATIC
CHARGES. SEE INSTRUCTIONS
4.2 Electrical safety parameters
4.2.1 Type 496-.58
4.2.1.1 Option with 1 or 2 Micro-Switch(es)
• Type identification is: 496-158 and 496-258.
• Mechanical switch(es): type BZ-2R72-A2,
manufacturer: HONEYWELL
• They are supplied by a certified power source for
explosible atmospheres group IIC with the maximal
characteristics:
– Constant power supply: Ui= 30V, Ii = 0.5A, Ci = 0F
and Li = 0H
– Alternative power supply: Ui= 90V, Ii = 1.4A, Ci = 0F
and Li = 0H
• The wiring connection is done directly on mechanical
switch(es).
4.2.1.2 Option with 1 or 2 Proximity Switch(es)
• Type identification is: 496-458 and 496-558.
• These detectors from PEPPERL & FUCHS are
defined as:
– II 1G Ex ia IIC T6 Ga
– II 2G Ex ia IIC T6 Gb
• EC type examination certificate:
– PTB 00 ATEX 2048 X (II1G, II2G)
PTB 00 ATEX 2049 X (II1G, II2G)
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