Table B-6 Nema Enclosure Type Numbers And Comparable Iec Enclosure Classification - Honeywell ST 3000 Installation Manual

B.3 Enclosure Ratings,
IEC Designations,
continued
94
Continued
Table B-6 provides an approximate conversion from NEMA enclosure
type numbers to IEC enclosure classification designations. The NEMA
types meet or exceed the test requirements for the associated IEC
classifications; for this reason the Table cannot be used to convert
from IEC classifications to NEMA types.
Table B-6 NEMA Enclosure Type Numbers and Comparable IEC
Enclosure Classification
NEMA Enclosure
Type Number
1
2
3
3R
3S
4 and 4X
5
6 and 6P
12 and 12K
13
NOTE: This comparison is based on tests specified in IEC Publication 529
ST 3000 Release 300 Installation Guide
IEC Enclosure
Classification Designation
IP 10
IP 11
IP 54
IP 14
IP 54
IP 56
IP 52
IP 67
IP 52
IP 54
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