Integrated design, expedient installation and simple maintance.
The core parts are metal oxide varistor with high discharge capacity & reliable quality.
Thermo Dynamic control disconnector can automatically cutoff the circuit to protect from fire accident entirely.
The status indicator can indicate operating status syllabify and straightly. Remote alert function makes your control easy.
Products can fit for various power network systems.
Plug-in protection module can be replaced easily when it is failed.

KM20C/4 can protect the device against the transient current and over-voltage and be applicable for interface LPZ1-LPZ2 (lightning protection zones). It is high-energy protector which is used between the N-line and PE-LINE. The product is characterized by large power handling and fast response time.

Max. Continuous operating voltage: 250/275/320/385/420V
Power network system: TT/TN-S
Nominal discharge current (8/20us): 20kA
Max. Discharge current (8/20us): 40kA