Further information for OBO Bettermann ÜSM-A-2 - surge protection module OVP A 2 Fine protection device requirements class
Surge protection device type 3 according to DIN EN 61643-11 for 230V networks.
. With acoustic fault signal
. With 2 wires for through-wiring
. Small size
. Halogen-free plastic (UL 94 V-0)
. Y-circuit
application: Universally applicable for all installation systems.