Over temperature protection class 3.1 according to DIN 12880

Over temperature protection class 3.1 to DIN 12880 is a standard function for the CL/SL equipment in the Smart PRO version, and optional for the CL/SL/SR ranges in the Smart version.

Order number: */3.1 (option factory preinstalled).

It features a sample protection function: the User can set the protection temperature and once it has been exceeded, the program will cut off the heaters. When the temperature falls down below the set limit, the unit will resume operating automatically.