
Certification
SCALANCE W788-xPRO / W74x-1PRO/RR
60 A5E02280448-02, Release 11/2008
ATEX, cULus and FM approvals
The products
SIMATIC NET SCALANCE W788-1PRO
SIMATIC NET SCALANCE W788-2PRO
SIMATIC NET SCALANCE W788-1RR
SIMATIC NET SCALANCE W788-2RR
SIMATIC NET SCALANCE W744-1PRO
SIMATIC NET SCALANCE W746-1PRO
SIMATIC NET SCALANCE W747-1RR
have the following approvals
● EN 60079-15:2005
EN 60079-0:2006
II 3 G Ex nA II T..
KEMA 07 ATEX 0145X
● c-UL-us:
UL 60950-1 CSA C22.2 No. 60950-1
● c-UL-us for hazardous location*:
ISA 12.12.01-2000, CSA C22.2 No. 213-M1987
CL. 1, Div. 2 GP. A.B.C.D T..
CL. 1, Zone 2, GP, IIC, T..
CL. 1, Zone 2, AEx nC IIC T..
● FM 3611 Hazardous (Classified) Location Electrical Equipment:
Non Incendive / Class I / Division 2 / Groups A,B,C,D / T* and
Non Incendive / Class I / Zone 2 / Group IIC / T*
(T.. / T* = For concrete information on the temperature class, refer to the type plate)
WARNING
When used under hazardous conditions (Zone 2), the SCALANCE W788-xPRO/RR
or W74x-1PRO/RR product must be installed in an enclosure. To comply with EN
50021, this enclosure must meet the requirements of at least IP 54 in compliance
with EN 60529.
DO NOT DISCONNECT EQUIPMENT WHEN A FLAMMABLE OR COMBUSTIBLE
ATMOSPHERE IS PRESENT.
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