Appendix 2. ATEX Ex “ec”/ATEX Type “n” / UKEX Ex “ec” / UKEX Type “n”
App.2-17
TI 33Q01J30-01E
Appendix 2.3 ATEX Ex “ec” / UKEX Ex “ec”
Instruction of N-IO field enclosure
Dec. 3, 2021-00
Yokogawa Electric Corporation
Model
CENTUM VP N-IO field enclosure
Title
Instructions
No.
NKE0055-A011
Page
1
Revision
1
Date
2021-06-18
Revised pages
1−3
Table A011.1
Item
Descriptions
Applicable standards EN IEC 60079-0:2018
EN IEC 60079-7:2015 + A1:2018
EN 60079-15:2010
EN IEC 60079-15:2019
Specific Ex Marking
II 3 G Ex ec nC IIC T4 Gc X (A2ZN70D, A2ZN60D)
II 3 G Ex ec IIC T4 Gc X (A2CB60)
Ambient temperature
(Note 1)
A2ZN70D
−40 to +55 °C
A2ZN60D
−40 to +55 °C (Note 2)
A2CB60-B
□
220
□
00000
A2CB60-D
□
220
□
00000
−40 to +55 °C
Enclosure
IP66 in accordance with EN IEC 60079-0
Pollution degree
2, See “Specific conditions of use”.
Power supply
Voltage range
100 to 120 V AC ±10 %
220 to 240 V AC ±10 %
Frequency
50 Hz ±3 Hz
60 Hz ±3 Hz
Notes:
1. Suffix codes relevant to each equipment are specified in the spaces of
□
.
Option codes are omitted from the models.
2. This Ta applies to the ambient temperature of A2CB60 with A2ZN60D installed inside.
