Elk 950 surge suppressor

[wanted]

Hi all. Recently got panel damage due to lighting strike. So thought I will install a elk 950 to protect the replacement panel. However the new panel was supplied with a dc power supply. The instructions indicate the surge suppressor can protect ac power pack.

Has anyone connected a dc power pack to this surge suppressor. I think it may work as the manual indicates u can also protect keypad or data wiring along as the voltage is below 24v.

Can anyone confirm this works.

Thanks Anthony

 

[wanted]

Can this surge protector be earthed using the earth lead at a local power point???

 

[Spanky]

Can this surge protector be earthed using the earth lead at a local power point???

The ELK-950 is designed to protect the telephone line and a 16.5VAC transformer.

The protection voltages for the transformer is about 35 to 40 volts and about 300 volts on the telephone circuit.

You can use a DC power supply on the AC terminals as long as it does not go above 28 VDC. There is no polarity.

A surge protector is only as good as the quality of the earth ground connection. The ground leg of an electrical outlet is a poor lightning earth ground. A cold water pipe with copper lines is very good.

I used to teach lightning suppression courses and I told my students, who were security installers, to add a low cost lightning suppression by driving nails into a wall and wrap the incoming wires about 15 times around a separate nail. The causes a large inductor which slows down the lightning so the suppressors have more of a chance to do their job.

Even if you do your best in adding lightning protection, sometimes lightning will find another way to ruin your day.

 

[42etus]

I used to teach lightning suppression courses and I told my students, who were security installers, to add a low cost lightning suppression by driving nails into a wall and wrap the incoming wires about 15 times around a separate nail. The causes a large inductor which slows down the lightning so the suppressors have more of a chance to do their job.

I've never heard of doing this. Could you expand on the idea.