2
Hazardous protection
The safety requirements as determined by EN 1127-1, as well as the corresponding national
regulations, are to be complied with regarding primary explosion protection, i.e. measures which
prevent or restrict the formation of a hazardous explosive atmosphere.
In the case of secondary hazardous protection, i.e. measures that prevent the ignition of an
explosive atmosphere surrounding electrical equipment, the series of standards applicable to
EN 60079 and the relevant national regulations must be observed.
2.1
Relevant technical Data for Hazardous Area
See the following certificates from chapter 2.3.1
2.2
ATEX Certification of the Input Circuit
II 3 G Ex nA IIC T4/T6 Gc
Type Examination Certificate: CML 14ATEX4076X
2.3
Explosive relevant Certificates / Approvals
2.3.1
ATEX
The series A5S1...-n Differential Hall Effect Ex sensors are certified according to ATEX Type
Examination Certificate No. CML 14ATEX4076X and are compliant according to ATEX Product
Directive 2014/34/EU.
Marking see ATEX Type Examination Certificate chapter 2.3.5.
2.3.2
IECEx
The series A5S1...-n Differential Hall Effect Ex sensors are certified according to IECEx
Certificate of Conformity No. CML 14.0030X.
Marking see IECEx Certificate of Conformity chapter 2.3.6.
2.3.3
USA (NEC) and Canada (CEC)
The series A5S1...-n Differential Hall Effect Ex sensors are certified for the USA and Canada
according to QPS Certificate of Conformity No. LR 1323-1.
Marking see NEC/CEC Certificate of Conformity chapter 2.3.7.
2.3.4
EAC Ex
The series A5S1...-n Differential Hall Effect Ex sensors are certified for EAC (Russia, Kazakh-
stan and Belarus Customs Union) according to TR-Certificate No. RU С-DE.ОБ01.B.00175 and
TR CU 012/2011.
Marking see EAC Ex TR CU Certificate chapter 2.3.8.
A5S1-n-Manual_EN_Rev02
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