NMA Range of Increased Safety EEx `e` Terminal Boxes
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Application
NMA range of increased safety 'e' terminal boxes are intended for use in areas made potentially hazardous by the presence of flammable liquids, gases or
vapours ( Zone 1 or Zone 2 ) .
For installation at petroleum refineries, chemical and petrochemical plants and other process industries where a similar hazard exists.
Features
- Full certificate of conformity for increased safety EEx 'e' ll.
- Manufactured in a series of 8 sizes (table1) for varying number of certified EEx 'e' terminals to customer specification,(table2).
- Oil and petrol resistant neoprene lid gasket for temperatures from - 40 up to +120 deg.C.
- Protection grade IP 66 to EN 60529. IP 67 on request.
Material
Body and cover - Copper free aluminium alloy LM6 (BS 1490)
Certification and Approvals
IEC 60079-0 : 2004 & IEC 60079-7 : 2001
ISSeP Certificate No. ISSeP05ATEX067 X II 2 G / Ex e II T6 or T5
Finish
Standard: Natural
Optional: Two pack epoxy paint. Chromate primed and electrostatic powder coated.
Earthing
Via internal and external threaded studs size M6.
A wide range of appoved bridge bars and earthing combs for earth screen continuity can be provided.
Entries
The box walls can be provided with a variety of entries for cable glands in ISO metric, inch or PG sizes.
The limits on maximum number of entries are shown in table1 for ISO metric size (M).
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Dimensions in mm
| Table 1 |
OVERALL DIMENSION |
ENTRIES (LONG SIDE) |
ENTRIES (SHORT SIDE) |
ENCL.
CAT No. |
W |
H |
D |
X |
Y |
M
16 |
M
20 |
M
25 |
M
32 |
M
40 |
M
16 |
M
20 |
M
25 |
M
32 |
M
40 |
| NMA11 |
122 |
120 |
80 |
106 |
82 |
6 |
6 |
4 |
2 |
1 |
4 |
4 |
3 |
1 |
1 |
| NMA12 |
220 |
120 |
80 |
204 |
82 |
15 |
14 |
12 |
6 |
4 |
4 |
4 |
3 |
1 |
1 |
| NMA14 |
160 |
160 |
90 |
140 |
110 |
14 |
8 |
8 |
5 |
3 |
8 |
6 |
6 |
2 |
2 |
| NMA15 |
260 |
160 |
90 |
240 |
110 |
27 |
16 |
16 |
11 |
6 |
8 |
6 |
6 |
2 |
2 |
| NMA17 |
360 |
160 |
90 |
340 |
110 |
32 |
24 |
24 |
17 |
9 |
8 |
6 |
6 |
2 |
2 |
| NMA18 |
230 |
200 |
110 |
180 |
180 |
26 |
18 |
15 |
10 |
6 |
21 |
12 |
12 |
8 |
5 |
| NMA20 |
330 |
230 |
110 |
310 |
180 |
38 |
28 |
28 |
18 |
12 |
21 |
12 |
12 |
8 |
5 |
| Table 2 |
WEIDMULLER KLIPPON SAK mm 2 |
WEIDMULLER KLIPPON WDU mm 2 |
ENCL.
CAT No. |
2.5 |
4 |
6 |
10 |
16 |
2.5 |
4 |
6 |
10 |
16 |
| NMA11 |
1 X 12 |
1 X 9 |
1 X 7 |
1 X 6 |
1 X 5 |
1 X 14 |
1 X 10 |
1 X 7 |
1 X 6 |
- |
| NMA12 |
1 X 30 |
1 X 24 |
1 X 20 |
1 X 16 |
1 X 13 |
1 X 34 |
1 X 26 |
1 X 20 |
1 X 16 |
- |
| NMA14 |
1 X 18 |
1 X 16 |
1 X 11 |
1 X 10 |
1 X 8 |
1 X 22 |
1 X 16 |
1 X 11 |
1 X 10 |
1 X 8 |
| NMA15 |
1 X 34 |
1 X 30 |
1 X 23 |
1 X 18 |
1 X 16 |
1 X 41 |
1 X 33 |
1 X 23 |
1 X 20 |
1 X 16 |
| NMA17 |
1 X 50 |
1 X 46 |
1 X 38 |
1 X 28 |
1 X 24 |
1 X 60 |
1 X 50 |
1 X 38 |
1 X 30 |
1 X 25 |
| NMA18 |
2 X 24 |
2 X 22 |
2 X 18 |
2 X 14 |
2 X 12 |
2 X 28 |
2 X 24 |
2 X 18 |
2 X 14 |
2 X 12 |
| NMA20 |
2 X 44 |
2 X 40 |
2 X 34 |
2 X 27 |
2 X 22 |
2 X 54 |
2 X 40 |
2 X 34 |
2 X 27 |
2 X 22 |
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