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7.3
Dispositivo de seguridad según 50495 según ATEX protección contra ignición tipos
„e" y „t"
Designation explosionproof according to ATEX directive 2014/34/EU
1.) The monitored electrical equipment is not a potential ignition source in normal operation
II
(1)
(2)
(3)
G [Ex eb Gb] IIC
II
(1)
(1)
(3)
D [Ex ta Da] IIIC
II
(1)
(2)
(3)
D [Ex tb Db] IIIC
Standard designation according to EN 60079-0
Explosion group II C gases, low ignition energy such as hydrogen
Equipment Protection Level:
Gb: for use in zone 1 or 2 for gases
Da: for use in zone 20, 21 or 22 for dust
Db: for use in zone 21 or 22 for dust
Designation according to series of standards EN 50495
"eb" increased safety for category 2,
"ta" protection with housing for category 1, a: zone 20, 21 or 22 for dust
"tb" protection with housing for category 2, b: zone 21 or 22 for dust
Designation according to series of standards EN 60079 for electrical devices
ignition protection "e" increased safety according to EN 60079-7
ignition protection "t" dust explosion protection with housing acc. to EN 60079-31
Standard designation
Category according to ATEX directive 2014/34/EU
G: gas explosion protection
D: dust explosion protection
Safety devices according to EN 50495
- for category 2 applications for ignition protection type increased safety "e" according to EN 60079-7
- for category 1 applications for ignition protection type with housing „ta" according to EN 60079-31
- for category 2 applications for ignition protection type with housing „tb" according to EN 60079-31
Guidelines designation for device group II (non-firedamp endangered mine workings)
III C conductive dusts
1)
b: zone 1 or 2 for gas
7 ATEX
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