Pluggable type 1 SPDs
The VAR100 range is designed to protect installations in IT, TN or TT earthing system. The installation is made downstream from the ground fult interrupter. The combination with a disconnector is mandatory (32A circuit breaker in C curve or 63A fuses).
With regards to the NFC15-100/C15-443 standard, these SPDs can be installed in buildings equipped with a lightning rod.
The voltage protection level offers a Type 1 / Type 2 protection with no coordination.