This product is set for clearance, this is either due to the product being discontinued / end of line or is older stock out of warranty. All products set for clearance are boxed as new and unused, for further information please contact us.
For the connection of the uninterruptible KNX power supply and the lead gel battery the 4-wire cable set (for one battery) must be used. For two batteries the 4-wire and the 2-wire set must be used.
The 4-wire cable set has an integrated fuse and a temperature sensor, the 2-wire cable set has only an integrated fuse.