The KLK and KLM are compact pressure switches that have an adjustment range of 1...40 bar and 30...400 bar, respectively.
The KLM is a diaphragm pressure switch while the KLK is a piston pressure switch. Both switches operates with a single switching contact and a factory set. The KLM has an accuracy class of 2,0%f.s. while the KLK is 1,0% f.s.