User's Manual

Certification
6.1 Approvals for the SCALANCE W788-xPRO/RR and 74x-1PRO/RR
SCALANCE W788-xPRO/RR / SCALANCE W74x-1PRO/RR
112 Operating Instructions (Compact), Release 08/2007, A5E00413342-05
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
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* = you will find concrete information on the temperature class on 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.
Note
The specified approvals apply only when the corresponding mark is printed on the product.