Safety instructions
1.2 Safety instructions for hazardous zones
SITOP expansion modules
16 Equipment Manual, 09.2022, A5E36605235-2-76
1.2 Safety instructions for hazardous zones
It is only permissible that the devices listed below are used in hazardous zones.
1.2.1 Redundancy module SITOP RED1200 Ex (6EP4347-7RC00-0AX0)
The device complies with ATEX directive 2014/34/EU: EN IEC 60079-0; EN 60079-7;
UKSI 2016: 1107: BS EN IEC 60079-0; BS EN 60079-7
UL: Suitable for Ex applications in CLASS I, DIVISION 2, GROUPS A, B, C and D - or in non-
hazardous zones only.
EXPLOSION HAZARD – DO NOT CONNECT OR DISCONNECT EQUIPMENT UNLESS POWER HAS
BEEN SWITCHED OFF OR THE AREA IS KNOWN TO BE NON-HAZARDOUS
EXPLOSION HAZARD – SUBSTITUTION OF COMPONENTS MAY IMPAIR SUITABILITY FOR CLASS
I, DIVISION 2
1.2.2 Buffer module SITOP BUF1200 Ex (6EP4231-7HC00-0AX0)
The device complies with ATEX directive 2014/34/EU: EN IEC 60079-0; EN 60079-7;
UKSI 2016: 1107: BS EN IEC 60079-0; BS EN 60079-7
UL: Suitable for Ex applications in CLASS I, DIVISION 2, GROUPS A, B, C and D - or in non-
hazardous zones only.
EXPLOSION HAZARD – DO NOT CONNECT OR DISCONNECT EQUIPMENT UNLESS POWER HAS
BEEN SWITCHED OFF OR THE AREA IS KNOWN TO BE NON-HAZARDOUS
EXPLOSION HAZARD – SUBSTITUTION OF COMPONENTS MAY IMPAIR SUITABILITY FOR CLASS
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