EJB Enclosures
Technical Data
316 L Stainless Steel.
Increased Safety 
II 2 GD Exe II C Gb Extb, III C Db.
EJB Certificates:
Baseefa Certificate No. Baseefa08ATEX0208X
IECEx Certificate No. IECEx BAS08.0065X
ZEJB Certificates:
Baseefa Certificate No. Baseefa08ATEX0207U
IECEx Certificate No. IECEx BAS08.0064U
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 -40°C to +80°C.
Temperature Class and Ambient: T6 40°C, optional T5 with ambients up to 65°C.
EJB Enclosures
| DIMENSIONS | ||
|---|---|---|
| Dimension | Size (mm) | Size (mm) |
| S | 120.0 | 150.0 |
| T | 2.0 | 2.0 |
| V | 80.5 | 90.5 |
| W | 96.0 | 126.0 |
| X | 126.0 | 156.0 |
| Y | 96.0 | 126.0 |
| Z | 148.0 | 178.0 |
| MAXIMUM QUANTITY OF ENTRIES PER FACE | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Thread Size | M16 | M20 | M25 | M32 | M40 | M50 | ||||||
| Box Type | EJB1 | EJB2 | EJB1 | EJB2 | EJB1 | EJB2 | EJB1 | EJB2 | EJB1 | EJB2 | EJB1 | EJB2 |
| Face A / C | 6 | 10 | 6 | 8 | 3 | 3 | 2 | 3 | 2 | 2 | 0 | 1 |
| Face B | 4 | 8 | 4 | 6 | 2 | 2 | 1 | 2 | 1 | 2 | 0 | 1 |
| Face D | 6 | 10 | 6 | 8 | 3 | 3 | 2 | 3 | 2 | 2 | 0 | 1 |
| TERMINAL CAPACITY DATA | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Terminal Type | Conductor Size (mm²) | Max. Volts |
Max. Physical Terminal Content | Reduced Terminal Content At Max. Terminal Amps | |||||||||
| Terminal Qty. | Amps | Terminal Qty. | Amps | ||||||||||
| Min. | Max. | EJB1 | EJB2 | EJB1 | EJB2 | EJB1 | EJB2 | EJB1 | EJB2 | ||||
| WDU 2.5N | 0.5 | 2.5 | 420 | 12 | 18 | 15 | 13 | 9 | 11 | 17 | 17 | ||
| WDU 2.5 | 0.5 | 2.5 | 550 | 12 | 18 | 15 | 13 | 9 | 11 | 17 | 17 | ||
| WDU 4 | 0.5 | 4 | 690 | 10 | 15 | 20 | 18 | 8 | 10 | 22 | 22 | ||
| WDU 6 | 0.5 | 6 | 550 | 7 | 11 | 28 | 24 | 6 | 8 | 29 | 29 | ||
| WDU 10 | 1.5 | 10 | 550 | 6 | 9 | 38 | 34 | 5 | 6 | 40 | 40 | ||
| WDU 16 | 1.5 | 16 | 550 | - | 7 | - | 47 | - | - | - | - | ||
| BK 6 | 1 | 4 | 275 | 1 | 21 | - | - | - | - | - | |||
| MK 6/6 | 1 | 6 | 420 | 1 | 26 | - | - | - | - | - | |||
| HTB 6 | 0.5 | Max. Per Pillar | 550 | 1 | 1 | Conductor Size mm² |
Max. Amps Per Pillar |
Conductor Size mm² |
Max. Amps Per Pillar |
N/A | 1 | ||
| 2 x 10mm² 3 x 6mm¹ 4 x 4mm² 4 x 0.5mm²(Min) See certificate for more options. |
0.5 0.75 1 1.5 2.5 4 6 10 |
1 1 8 10 15 21 26 37 |
0.5 0.75 1 1.5 2.5 4 6 10 |
1 1 8 10 15 21 26 37 |
|||||||||
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.
