The type 2 spd is the main protection system for all low voltage electrical installations. Type 2 spd is characterized by an 820 µs current wave.
Practical Tips For Installing Surge Protection Devices In Low
Type 2 spd wiring diagram. 2 use supply wire suitable for 90 c. The type 2 spd is the main protection system for all low voltage electrical installations. Connect the spds ground wire green to the systems ground connection. We fit the spd remote from the consumer unit proving how hard it is to keep conductors short enough to comply with. Through the enclosure hole and mount the spd enclosure. Reference this wiring diagram as necessary in steps 2 3 and 4.
See figures 9 14. Type 3 protection is required in accordance to 17th edition wiring regulations if cabling distance from a type 1 or 2 spd is greater than 10m or if simply peace of mind that valuable or sensitive equipment need to be protected from surges and damage. Installed in each electrical switchboard it prevents the spread of overvoltages in the electrical installations and protects the loads. How to fit a type 2 spd and keep the line and earth conductors at 05m or less. The conductors used to connect the spd to the line or bus shall not be any longer than necessary and shall. Page 4 of 7 10 055 1 rev e date.
Locate the electrical systems applicable wiring diagram in section 23. Type 1 surge protective device spds are intended for installation between the secondary of the service transformer and the line side of the service equipment overcurrent. These spds have a low discharge capacity. Type 2 spd is characterised by an 820µs current wave. Connect the spds neutral wire white to the systems neutral connection not required for. Type 2 spd is characterized by an 820 µs current wave.
Type 1 spd is characterized by a 10350 µs current wave. The type 2 spd is the main protection system for all low voltage electrical installations. Type 1 devices are installed before the main device in the loadcenter whereas type 2 are installed following the main devices in the loadcenters. Installed in each electrical switchboard it prevents the spread of overvoltages in the electrical installations and protects the loads. Type 12 surge arresters combine the benefits of both type 1 and type 2 having both high impulse current withstand 10350µs associated with direct lightning strikes and a low voltage protection level of 15kv up exceeding the requirements for category ii equipment identified within table 443 bs7671. 08272018 1 this product contains no serviceable parts.
You must refer to this diagram while wiring the spd. Spd series type 1 and type 2 units do not require over current protection devices fuses or circuit break ers to operate correctly. Installed in each electrical switchboard it prevents the spread of overvoltages in the electrical installations and protects the loads. Select the correct wiring diagram for the spd you are install ing. As stated in the catalog.
Gallery of Type 2 Spd Wiring Diagram
