BEKA BA314E, Руководство пользователя

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APPENDIX 3
ETL & cETL certification for installations in USA
and Canada.
A3.0 cETL Mark
For installations in the USA and Canada, the BA314G
Tachometer has ETL and cETL intrinsic safety and
nonincendive approval, Control Number 4008610.
Copies of the Authorisation to Mark may be
downloaded from the BEKA associates website
www.beka.co.uk or requested from the BEKA
associates sales office
A3.1 Intrinsic safety approval
The US and Canadian standards used for assessment
and certification of the BA314G 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 3 and 4 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
USA & Canada
CL I Div 1 Groups A, B, C, D T5
CL II Div 1 Groups E, F, G. CL III
-40ºC < Ta < 70ºC
USA
CL I Zone 0 AEx ia IIC T5 Ga
Zone 20 AEx ia IIIC T80ºC Da
-40ºC < Ta < 70ºC
Canada
Ex ia IIC T5 Ga
Ex ia IIIC T80ºC Da
-40ºC < Ta < 70ºC
A3.2 Nonincendive approval
The BA314G Tachometer also has ETL
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
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