JB10 & JB11 Junction Boxes Range
Ex e – increased safety
& weatherproof
Overview
Crouse-Hinds series MEDC JB10 and JB11 GRP junction boxes are suitable for use in potentially explosive atmospheres. Suitable for marine and both onshore and offshore environments in the oil, gas and petrochemical industries.
The robust design, coupled with corrosion-free GRP and high ingress protection, ensure a long life, low maintenance product.
- IP66 & IP67
- Certified temperature from –58°F to +131°F, –50°C to +55°C
- GRP
- Lightweight
- Robust
- Corrosion free
- Retained cover screws
- Optional gland continuity plate
- Optional internal conductive coating
- Variety of colors available
- Mixed rail mounted terminal
- Glass reinforced polyester (GRP) (anti-static)
- Stainless steel cover screws
EATON MEDC JB10 & JB11 – TERMINALS
| Terminal type/size | Max no. of terminal | Each terminal | Max voltage (V) | Max current (A) | T rating at +55°C(+40°C) |
| JB10 | JB11 |
| SAK2.5 | 10 | 16 | EK4 | 550 | 15 | T4 (T6) |
| SAK4 | 9 | 15 | EK4 | 550 | 21 | T4 |
| SAKK4 | 8 | 13 | EK4 | 275 | 28 | T4 |
| SAK6N | 7 | 12 | EK4 | 550 | 26 | T4 |
| SAK10 | 5 | 9 | EK10 | 550 | 37 | T4 |
| SAK16 | – | 7 | EK16 | 550 | 47 | T4 |
| AKZ2.5 | 11 | 19 | AKE2.5 | 60 | 15 | T4 (T6) |
| UK2.5N | 9 | 15 | USLKG5N | 550 | 15 | T4 (T6) |
| UK5N | 7 | 14 | USLKG5N | 418 | 21 | T4 |
| UK10N | 4 | 9 | USLKG10N | 550 | 37 | T4 |
| UK16N | 3 | 7 | USLKG16N | 550 | 47 | T4 |
| MK6/6 | 6 | 6 | Internal earth stud | 418* | 26 | T5 |
| BK4 | 4 | – | Internal earth stud | 275 | 21 | T5 |
*275V if fitted with QB2 or QB4 cross connection links
All junction boxes will be supplied with an internal earth terminal appropriate to the terminals fitted.
If more than one internal earth terminal is required the maximum number of feed-through terminals must be reduced.
MEDC JB10 GLAND DETAILS
| Gland entries | Maximum no.of
gland entries sides
1 & 3 | Maximum no.of gland entries sides 2 & 4 | Maximum no.
gland entries
(base) |
With or without
earth continuity | With earth
continuity | Without earth
continuity | With or
without earth
continuity |
| M16 | 2 | 2 | 2 | 2 |
| M20 | 2 | 1 | 2 | 2 |
| M25 | 2 | 1 | 1 | N/A |
| M32 | 1 | 1 | 1 | N/A |
MEDC JB11 GLAND DETAILS
Gland
entries | Maximum no.of gland entries
per side with or without earth
continuity | Maximum no.of gland entries
(base) with or without earth
continuity |
| M16 | 2 | 4 |
| M20 | 2 | 4 |
| M25 | 2 | N/A |
| M32 | 1 | N/A |
