External input protection

Option 1: For using the device powered by a B6 rectification the unit is tested and approved for branch circuits up to 25A. Do not use fuses smaller than 4A to avoid a nuisance tripping of the circuit breaker.

Option 2: For all other DC sources the device is tested and approved with max. 10A fuses in the plus and minus path. It is possible to use two devices on 10A fuses or one single device on 6A fuses. Do not use fuses smaller than 6A to avoid a nuisance tripping of the fuse. Use following fuse types with option 2: Littelfuse type 0SPF010 or equivalent UL listed fuse, SIBA type URZ 5020434.