LR Joint Box
Ex-e 3.3kV High Voltage Enclosure
The LR (left/right) Box is designed to allow supply cable to enter and exit at 900 from each other.
Supplied complete with three glands plates, its unique design can be modified by the installer to allow either left hand or right hand cable connections. This allows on site configure to suit installation orientation.
The LR box is fully ATEX compliant for Zone 1 Gas and Dust environments. It is suitable for voltages up to 3.3kV and can accommodate an overload current 1845A for ten seconds.
The standard enclosure is manufactured from 316L stainless steel (EN 1.4404) with a silicon gasket and stainless steel fasteners.
The LR also features heavy duty machined hinges with lift off cover pad-lockable cover.
It has an orbital finish but painted and electro-polished options also available.
The IP66/67 enclosure is also DTS-01 deluge and Type 4X tested.
Specification LR52 Q2016/ABTECH/60885-0/DL:
Stainless steel 1.4404 (BS EN 10088-1 1995) enclosure
510 x 510 x 200mm with 2 gland plates.(Finish: Orbital)
IP Rating: IP66.
Certification Level: ATEX - Ex e apparatus certified.
Temperature Rating: T4.
(Certified up to 3.3kV @ 1250A)
Suitable for ambient temperature range: -20°C to +40°C
Enclosure c/w 6 x insulated stand offs (2 connector plates) to terminate ? x ?C x TBAmm² incoming and 1 x ?C x TBAmm² outgoing cables sizes
Entries:
Enclosure Earth Stud: Stainless Steel M10 Side B
External Hinges on Side D (long side).
General:
The LR Box is designed to allow supply cable to enter and exit at 900 from each other.
Supplied complete with three glands plates, its unique design can be modified by the installer to allow either left hand or right hand cable connections.
• Configure to suit installation orientation on site
• Overload current 1845A for 10 seconds
• Suitable for extreme low temperature applications
• DTS-01 deluge tested enclosure
Standard Specifications:
| Enclosure Type: | High Voltage |
| Ingress Protection: | IP66/67 to EN60529, Type 4X, DTS-01 |
| Material: | 316L Stainless Steel (EN 1.4404) enclosure, |
| silicone gasket and A4 stainless steel fixings |
| Ambient Temp Rating: | -50°C to +55°C (T3) or -50°C to +40°C (T4) |
| Max. No. Busbars: | 3 |
| No. of Gland Plates: | 3 |
| Crimp lugs: | 16mm2 to 240mm2 |
| Earthing: | Via studs on enclosure, door and gland plates |
| Mounting: | Via 3mm thick external mounting straps, |
| slotted upper strap for ease of installation |
| | |
| Certification | |
| Area Classification: | Zone 1 & 21, Gas and Dust / Class 1 Div 2 |
| Type of Protection: | Ex e (Increased Safety), Ex tb (Dust Protected) |
| Apparatus Coding: | Ex e IIC T4, Ex tb IIIC IP66 T650C Db |
| Ex e IIC T3, Ex tb IIIC IP66 T800C Db |
| Certificate Number: | CML 14ATEX3008X / IECEx CML 14.0007X |