1.Type 3 surge protectors are intended to be installed near sensitive equipment.
2.Type 3 SPDs are especially required if the sensitive devices to protect are located father than 5m away from the Type 2 SPD.
3.Uoc per pole : 6kV to 20kV.
We have a professional and reliable technical team, can customize products for customers.
Through meticulous engineering, advanced equipment and craftsmanship, will provide exceptional products for your power system.
Type 1 surge protectors
Type 1 surge protectors are designed to be installed when a direct lightning strike risk is high, especially when the building is equipped with external lightning protection system (LPS or lightning rod).
Type 2 surge protectors
Type 2 surge protectors are designed to be installed at the entrance
of the installation, in the main switchboard, or close to
sensitive equipment, on installations without LPS (lightning
rods).
Type 3 surge protectors
In case of very sensitive or remote equipment, secondary stage
of surge protectors is required : these low energy SPDs could be
Type 2 or Type 3 (see «Coordination of surge protector» page 20).
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