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21
May 2014
China
E3 China Flameproof
Certificate: GYJ111385
Standards Used: GB3836.1-2000, GB3836.2-2000, GB12476.1-2000
Markings: Ex d IIC T6
Special Conditions for Safe Use (X):
1. Temperature Assembly using temperature sensor type 65, 68, 75, 183, 185 are
certified.
2. The ambient temperature range is:
3. The earth connection facility in the enclosure should be connected reliably.
4. During installation, use and maintain in explosive gas atmospheres, observe the
warning “Do not open when energized”. During installation, use and maintain in
explosive dust atmosphere, observe the warning "Do not open when an explosive dust
atmosphere is present.”
5. During installation, there should be no mixture harmful to flameproof housing.
6. During installation in hazardous location, cable glands, conduits and blanking plugs,
certified by state-appointed inspection bodies with Ex d II C, DIP A20 IP66 degree,
should be used.
7. Maintenance should be done in a non-hazardous location.
8. During installation, use and maintain in explosive dust atmosphere, product enclosure
should be cleaned to avoid dust accumulation, but compressed air should not be used.
9. End users is not permitted to change any components inside, but to settle the problem
in conjunction with manufacturer to avoid damage to the product.
10. During installation, use and maintenance of this product, observe the following
standards:
GB3836.13-1997 “Electrical apparatus for explosive gas atmospheres Part 13: Repair
and overhaul for apparatus used in explosive gas atmospheres”
GB3836.15-2000 “Electrical apparatus for explosive gas atmospheres Part 15: Electrical
installations in hazardous area (other than mines)”
GB3836.16-2006 “Electrical apparatus for explosive gas atmospheres Part 16:
Inspection and maintenance of electrical installation (other than mines)”
GB50257-1996 “Code for construction and acceptance of electric device for explosion
atmospheres and fire hazard electrical equipment installation engineering”
GB15577-1995 “Safe regulation for explosive dust atmospheres”
GB12476.2-2006 “Electrical apparatus for use in the presence of combustible dust Part
1-2: Electrical apparatus protected by enclosures and surface temperature
limitation-Selection, installation and maintenance”
Gas/dust Ambient temperature
Gas -40 °C T
a
+65 °C
Dust -40 °C T
a
+85 °C