The explosion-protected cable reels are made of a conductive EPDM. The spool for the cable is designed to accommodate the explosionprotected flange sockets and, together with a welded, stainless steel enclosure, it forms the connection compartment in the type of protection «increased safety e». Connection is made on the Ex-e terminals of the flange sockets. Instead of a shaft, a pivot bearing is used. This has to be advantageous under rough operating conditions.
The CR17 standard model has one 16A flange socket. The CR 27 cable reel can be fitted with up to 3 16 A flange sockets or one 32 A flange socket.
Only cables (minimum requirement H07) that have been approved for unprotected installation in accordance with the national standards may be used.