S-Series Size 7 Enclosure
Technical Data
Increased Safety 
II 2 GD Exe II ExtD.
Size 7 (S7) Certificates:
Baseefa Certificate No. Baseefa08 ATEX 0208X
IECEx Certificate No. IECEx BAS 08.0065X
Z Size 7 (ZS7) Certificates:
Baseefa Certificate No. Baseefa08 ATEX 0207U
IECEx Certificate No. IECEx BAS 08.0064U
Suitable for use in Zone 1, Zone 2, Zone 21 and Zone 22.
Construction and Test Standards: IEC/EN 60079-0, IEC/EN 60079-7, IEC/EN 61241-0 and IEC/EN 61241-1.
Ingress Protection: IP66 to IEC/EN 60529.
Deluge protection to DTS01.
Operating Temperature Range: -60°C to +80°C.
Temperature Class and Ambient: T6 40°C, optional T5 with ambients up to 65°C.
Alternative certification options available:
Exe II.
AExe II/Exe II.
R-Exe IIU.
Approved for use in Kazakhstan.
S-Series Size 7 Enclosure
| MAXIMUM QUANTITY OF ENTRIES PER FACE | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Thread Size | M16 | M20/O | M20/A | M25 | M32 | M40 | M50 | M63 | M75 |
| Bottom Face C Quantity |
56 # * | 54 | 45 | 33 | 18 | 14 | 8 | 5 | 4 |
| Side Faces B & D Quantity |
64 # * | 64 # * | 56 | 36 | 20 | 16 | 9 | 6 | 4 |
| # Serrated washers/locknuts with large outside diameters may foul on adjacent cable glands. * Serrated washers/locknuts must not foul on aperture wall. |
|||||||||
| TERMINAL CAPACITY DATA | |||||||
|---|---|---|---|---|---|---|---|
| Terminal Type | Conductor Size (mm²) | Max. Volts |
Max. Physical Terminal Content |
Reduced Terminal Content At Max. Terminal Amps |
|||
| Min. | Max. | Terminal Quantity |
Amps | Terminal Quantity |
Amps | ||
| WDU 2.5 | 0.5 | 2.5 | 550 | 640 | 3 | 24 | 17 |
| WDU 4 | 0.5 | 4 | 690 | 515 | 5 | 23 | 22 |
| WDU 6 | 0.5 | 6 | 550 | 380 | 6 | 19 | 29 |
| WDU 10 | 1.5 | 10 | 550 | 300 | 9 | 16 | 40 |
| WDU 16 | 1.5 | 16 | 690 | 250 | 12 | 14 | 53 |
| WDU 35 | 2.5 | 35 | 690 | 190 | 21 | 11 | 87 |
| WDU 50 | 6 | 50 | 690 | 155 | 27 | 15 | 88 |
| WDU 70N | 10 | 70 | 690 | 93 | 42 | 9 | 134 |
| WDU 70/95 | 16 | 70 | 690 | 23 | 83 | 8 | 134 |
| WDU 70/95 | 16 | 95 | 690 | 23 | 94 | 11 | 134 |
| WDU 120/150 | 35 | 120 | 690 | 20 | 110 | 9 | 162 |
| WDU 120/150 | 35 | 150 | 690 | 20 | 117 | 10 | 162 |
| WFF 35 | 2.5 | 35 | 1100 | 46 | 45 | 16 | 76 |
| WFF 70 | 2.5 | 70 | 1100 | 40 | 67 | 13 | 116 |
| WFF 120 | 6 | 120 | 1100 | 15 | 145 | 11 | 162 |
| WFF 185 | 10 | 185 | 1100 | 11 | 203 | 8 | 234 |
| WFF 300 | 25 | 300 | 1100 | 11 | 227 | 6 | 316 |
The enclosure is supplied with an integral internal/external earth stud assembly.
The terminals listed are restricted to a minimum operating temperature of -50°C.
