BEKA BA377E-SS, Manual

Page: 53 / 65

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Appendix 3 ETL & cETL certification for
installations in USA and Canada
A2.0 cETL Mark
For installations in the USA and Canada, the
BA377E-SS Timer or Clock has ETL and cETL
intrinsic safety and nonincendive approval, Control
Number 4008610. Copies of the Authorisation to
Mark are available from the BEKA associates sales
office and www.beka.co.uk
A2.1 Intrinsic safety approval
The US and Canadian standards used for
assessment and certification of the BA377E-SS are
listed on the cETL Authorisation to Mark.
Installations must comply with BEKA associates
Control Drawing CI330-52, which is attached to this
appendix.
The ETL safety parameters are the same as the
ATEX and IECEx parameters, the systems shown in
sections 2 and 3 of this manual may therefore also
be used for US and Canadian installations subject to
compliance with the local codes of practice.
ETL and cETL intrinsic safety codes
CL I Div 1 Groups A, B, C, D T5 (US IS gas, Div cert)
CL II Div 1 Groups E, F, G. CL III (US IS dust, Div cert)
Class I Zone 0 AEx ia IIC T5 Ga (US IS gas, Zone cert)
Zone 20 AEx ia IIIC T80ºC Da (US IS dust, Zone cert)
Ex ia IIC T5 Ga (Canadian IS gas, Zone cert)
Ex ia IIIC T80ºC Da (Canadian IS dust, Zone cert)
-40ºC
[
Ta
[
60ºC
A2.2 Nonincendive approval
The BA377E-SS Timer or Clock also has ETL and
cETL nonincendive approval allowing installation in
Division 2 hazardous (classified) locations without
the need for Zener barriers or galvanic isolators.
Installations must comply with BEKA associates
Control Drawing CI330-53, which is attached to this
appendix, and with the local codes of practice.
ETL and cETL nonincendive codes US & Canada
CL I Div 2 Groups A, B, C, D T5
CL II Div 2 Groups F, G CL III Div 2
-40ºC
[
Ta
[
70ºC