2. Explosion Protection Instrumentation in Zone 2/Division 2
2-12
TI 32S01J30-01E
ECAS-Ex Ex “ec”
The references are listed in the following table.
Explosion protection construction
Reference of Explosion-proof specifications,
Complied Standard, and Compliant Products
SSSC60
SSC50
SSC57
L1SC70
S2SC70
FIO Node
Unit
N-IO
Node Unit
N-IO field
enclosure
S2BN4D S2BN5D
ECAS-Ex “ec”
–
App. 1.2
App. 1.1
App. 1.2
–
–
App. 3.2
–: Non-compliant
Note: Regarding the latest conformity standard, refer to the GS 32P01B60-01EN “Standards Compliant Models”
Note: Refer to descriptions for IECEx Ex “ec” on this document for installation and precautions for ECAS-Ex Ex “ec”.
UKEX Ex “ec”, UKEX Type “n”
The references are listed in the following table.
Explosion protection construction
Reference of Explosion-proof specifications,
Complied Standard, and Compliant Products
SSSC60
SSC50
SSC57
L1SC70
S2SC70
FIO Node
Unit
N-IO
Node Unit
N-IO field
enclosure
S2BN4D S2BN5D
UKEX Ex “ec” (*1)
App. 2.1
App. 2.2
App. 2.1
App. 2.2
App. 2.3
–
App. 2.5
UKEX Type “n”
–
–
–
–
–
App. 2.4
–
–: Non-compliant
Note: Regarding the latest conformity standard, refer to the GS 32P01B60-01EN “Standards Compliant Models”
Note: Refer to descriptions for ATEX Ex “ec” or ATEX Type “n” on this document for installation and precautions for UKEX Ex “ec” and
UKEX Type “n” respectively.
*1:
The following products that use sealed devices also comply with UKEX Type “nC”.
S2SC70
, SSC60
, SSC50
, SSC57
,L1SC70
, SNB10D, L1NB10D, SBD2D,SBD3D, SBD4D, S1BB4D, S2ZN70D, and
S2ZN60D.
KCs Ex “ec”
N-IO field enclosure (S2NN70D) comply with KCs Ex “ec”.
Regarding the latest conformity standard, explosion-proof specifications and compliant products,
refer to the GS 32P01B60-01EN “Standards Compliant Models”.
Refer to descriptions for IECEx Ex “ec” on this document for installation and precautions for
installation and precautions for KCs Ex “ec”.
CCC-Ex/NEPSI Type “n”
N-IO field enclosure (S2NN70D, S2NN60D, S2CB60) comply with CCC-Ex/NEPSI Type “n”.
Regarding the latest conformity standard, explosion-proof specifications and compliant products,
refer to the GS 32P01B60-01EN “Standards Compliant Models”.
Refer to descriptions for IECEx Ex “ec” on this document for installation and precautions for
installation and precautions for CCC-Ex/NEPSI Type “n”.
Precautions
Refer to the latest edition of IM 32Q01J30-31E for the installation and the precaution for Ex “ec”/
Type “n” compliant devices.
Refer to the latest edition of IM 32Q01J30-31E for the installation, the precaution, maintenance
and repair for N-IO field enclosure.
This document can be found at the following web site:
https://partner.yokogawa.com/
Nov. 10, 2022-00
