Appendix
A.2 Standards, certificates and approvals
SIMATIC HMI IPC677C
262
Operating Instructions, 04/2013, A5E02722710-04
cULus approval, Hazardous Location
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CULUS Listed 7RA9 IND. CONT. EQ. FOR HAZ. LOC.
Underwriters Laboratories Inc., complying with
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UL 508 (Industrial Control Equipment)
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CSA C22.2 No. 142 (Process Control Equipment)
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ANSI/ISA 12.12.01 (Hazardous Location)
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CSA-213 (Hazardous Location)
APPROVED for Use in
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Cl. 1, Div. 2, GP. A, B, C, D T4A
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Cl. 1, Zone 2, GP. IIC T4
Note the following information
Note
This product must be installed according to the NEC (National Electric Code) stipulations.
When used in environments according to class I, division 2 (see above), the device must be
mounted in an enclosure that corresponds to at least IP54 according to EN 60529.
Definition of ESD
All electronic modules are equipped with large-scale integrated ICs or components. Due to
their design, these electronic elements are highly sensitive to overvoltage, and thus to any
electrostatic discharge.
The electrostatic sensitive components/modules are commonly referred to as ESD devices.
This is also the international abbreviation for such devices.
ESD modules are identified by the following symbol:
