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spd

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  1. R

    Wylex Fuseboard SPD.

    I am about to install a new high integrity wylex fuseboard within a church which will require a combined type 1 & 2 SPD as the church has a lightning conductor system in place. Can anybody confirm the connections to this as it is placed within the fuseboard upstream of the main switch.
  2. B

    SPD in large switchgear

    I was assembling a large distribution unit today. Hager type with a 500A main switch. There are 10 x 100A MCCBs going to be installed The board, MCCBs etc came in a kit, which also had a surge protection device with it. The client did specify the nee for the SPD however the SPD itself has...
  3. G

    Combi Var Spd Trigger Goosed

    Alright, got a makita 18V, the BHP451 one, and the trigger seems to have gone to all or nothing, this happened to anyone else? had it over 2 years so think it's out of warranty. Does anyone know where i can get a replacement trigger? Or somewhere that fixes them. Cheers.
  4. J

    IR testing when SPD are in circuit.

    Hi not sure I have all the information on how to do a IR test in a circuit with surge protective devices in circuit all the information I have is to disconnect the SPD's and test at 500v dc or short out the SPD's and test between LN to cpc conductors at 250v dc

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