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ISOLATORS-EX
3.1 OPTIONAL M6/M10 EARTH STUD.
Figure 4 -Detail of optional earth stud
3.2 ATEX MARKING
II 2D - Ex tb IIIC T80°C Db (Ta -25 to +40°C)
II 2D - Ex tb IIIC T90°C Db (Ta -25 to +60°C)
Year 20xx: year of manufacture.
Product suited for use in explosive atmosphere.
II: Product classified as belonging to group II, suitable for environments other than mines (surface industries).
2D: Product in category 2D intended to be installed in environments with the presence of combustible dust classified as zone 21.
Ex tb: protection mode (protection by means of enclosure).
IIIC: Equipment classified as group IIIC, product suited to be used in presence of conductive dust.
T80°C, T90°C: Value of the maximum surface temperature based on the room temperature:
• T80°C with ROOM TEMPERATURE -25°C +40°C
• T90°C with ROOM TEMPERATURE -25°C +60°C
Db: Equipment Protection Level (EPL).
S/N XXXXXXXXXX: serial number shown inside the switch-disconnector in metal enclosure series ISOLATORS-EX:
TÜV IT 14 ATEX 006
3.3 DEGREE OF PROTECTION OF THE SWITCH-DISCONNECTOR IN METAL ENCLOSURE
IP65.
3.4 POWER TERMINALS
Connectable wires and tightening torques, See table 2.
MP37129
A
B
C
D
E
F
2014
Fig. 5: Product traceability details on the adhesive label
14
BRASS OT58 OR INOX A2
INOX A2
BRASS OT58 OR INOX A2
TEFLON PTFE
BRASS OT58 OR INOX 316L
TINNED ELECTROLYTIC COPPER
ZP90829-7
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