A Combi Unit is a combined lightning current arrester and surge protection device (SPD) designed to protect electrical installations from both direct lightning strikes and power surges. It integrates Type 1 and Type 2 protection in a single unit.
Key Features:
Combines lightning current protection (Class I / Type 1) and surge protection (Class II / Type 2)
Protects against direct and indirect lightning strikes
Reduces transient overvoltage from switching and power faults
Compact design for easy installation in distribution boards
High discharge capacity with fast response time