Conformity to standards
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Wall-mounting socket Type 7571/11 and plug Type 7571/12
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3 Conformity to standards
The devices comply with the following standards and directives:
• Directive 94/9/EC
• EN 50 014, EN 50 018, EN 50 019, EN 50 020, EN 50 281-1-1
• IEC 60 079-1, IEC 60 079-7, IEC 60 079-11, IEC 61 241-1
• IEC 60 947-3, IEC 60 947-4-1, IEC 60 309, IEC 60 529
The devices are approved for use in hazardous area Zones 2 and 22.
4 Function
The wall-mounting socket Type 7571/11 and plug Type 7571/12 are explosion protected
electrical apparatus. They are used to connect moveable and stationary electrical equi-
pment and to connect cables or circuits in hazardous areas.
5 Technical data
Please consult the manufacturer if operating conditions are non-standard.
5.1 Explosion protection data
Explosion protection
Device group and category
II 3 G und D
Test certificate as per PTB
PTB 05 ATEX 1012
Marking according to Directive 94/9/EC
Marking according to EN 50 281
II 3 G EEx n AC IIC T6
II 3 D IP 66 T80 °C
Ambient temperature for temperature class T6
max. 55 °C
Ambient temperature range
-30 °C ... +55 °C
Max. permissible storage temperature range
-55 °C ... +80 °C
Degree of protection as per IEC 60 529
IP 66
Table 5-1: Explosion protection data
