S-Series Size 3 Enclosure
Technical Data
Increased Safety Exe. 
II 2 GD Exe II ExtD A21
Baseefa Certificate No. Baseefa08 ATEX 0208X
Baseefa Certificate No. Baseefa08 ATEX 0207U
IECEx Certificate No. IECEx BAS 08.0065X
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 and IEC/EN 60079-7, IEC/EN 61241-0 and IEC/EN 61241-1.
IP66 ingress protection to IEC/EN 60529.
DTS01 deluge protection witnessed by EECS.
Operating temperature range -60°C to +80°C.
Temperature class and ambient T6 40°C.
Optional T5 with ambients up to 65°C.
210mm deep option available.
Alternative certification options available:
Exe II.
AExe II/Exe II.
R-Exe IIU.
- Size 1 To Size 9 Assembly Instructions
- Z Size 1 To Z Size 9 Assembly Instructions
- Enclosure Data Sheet
- Enclosure full technical specification
- Cable gland entry positions for faces B & D
- Cable gland entry positions for face C
- Enclosure wattage factor
- Enclosure combined terminal resistance
- Maximum physical quantity of terminals
S-Series Size 3 Enclosure
| MAXIMUM QUANTITY OF ENTRIES PER FACE | |||||||
|---|---|---|---|---|---|---|---|
| Thread Size | M16 | M20/O | M20/A | M25 | M32 | M40 | M50 |
| Bottom Face C Quantity |
17 # | 17 # | 12 | 6 | 4 | 3 | 2 * |
| Side Faces B & D Quantity |
23 # | 23 # | 16 | 8 | 5 | 4 | 3 * |
# 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 | 112 | 7 | 19 | 17 |
| WDU 4 | 0.5 | 4 | 690 | 94 | 9 | 17 | 22 |
| WDU 6 | 0.5 | 6 | 550 | 72 | 13 | 15 | 29 |
| WDU 10 | 1.5 | 10 | 550 | 56 | 19 | 12 | 40 |
| WDU 16 | 1.5 | 16 | 690 | 48 | 25 | 11 | 53 |
| WDU 35 | 2.5 | 35 | 690 | 36 | 41 | 8 | 87 |
| WDU 70N | 10 | 70 | 690 | 14 | 90 | 6 | 134 |
| WFF 35 | 2.5 | 35 | 1100 | 11 | 76 | 11 | 76 |
The Enclosure is supplied with an integral internal/external earth stud assembly.
WFF terminals are supplied fitted with cover.
