Approved for installation in explosion hazard areas
Designed for connecting self-regulating electrical heating cables to the power network and for the branching of self-regulating heating cables*.
Box models are supplied in 2 installation variants:
The enclosure design ensures moisture and dust ingress protection IP66 and high corrosion stability. Cable gland of the box is intended for connecting unarmoured power cables with a diameter of 7 to 18 mm or armored power cables with a diameter of 12 to 20 mm.
The installed terminal blocks allow the connection of multi-core or single-core wires with a cross-section of 1.5 to 10 mm2. Design options with screw or spring terminal straps are available to order.
*This junction box is compatible with self-regulating heating cables HTM, HTA, HTP, BTC, BTX, HTB, CTE.
|Dust and moisture protection rating||IP66|
|Explosion protection marking||
Ех еb IIC Т6...Т3 Gb |
Ex tb IIIC T85°C... T165°C Db
|Temperature group of the explosion hazard area||T6|
|Operating ambient temperature range||−60 ... +55 °С|
|Operating voltage||max 550 V|
|Operating current||max 50 A|
|Enclosure dimensions JB 2221-223||122×120×91.5 mm|
|Total weight (maximum)||1.55 kg|
|Material Box / Color||Glass fiber reinforced polyester / Black|
|Material Pipe installation support / Color||Glass fiber reinforced polyester / Black|