Surge Protective Devices (SPDs) are designed to protect against transient surge conditions. Lighting and utility power anomalies only account for 20% of transient surges, while the other 80% are produced internally in a facility.

SPD Class II

The Type 2 SPD is the main protection system for all low voltage electrical installations. Installed in each electrical switchboard, it prevents the spread of overvoltages in the electrical installations and protects the loads.

SPD Class III

These SPDs have a low discharge capacity with better voltage protection levels in differential modes (Phase to Neutral). They must therefore mandatorily be installed as a supplement to Class II tested SPDs and in the vicinity of sensitive loads.

OVR PV 1500

The Type 2 SPD is the main protection system for all low voltage electrical installations. Installed in each electrical switchboard, it prevents the spread of overvoltages in the electrical installations and protects the loads.

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