Comments on: Surge protection devices: how to choose them?

By: THUNDER

THUNDER — Wed, 24 Feb 2010 09:47:54 +0000

SPD are tested according to standard what is inside is the responsibility of the manufacturer the main thing is NOT how much current the SPD can handle (if it is according IEC 61643-11 standard it will fail safe in any case) but how low its level of protection Up is !

By: electrical circuit test

electrical circuit test — Mon, 01 Feb 2010 22:32:30 +0000

Is there a certain brand that tends to work better than others? Such as Monster?
-Jack

By: Subrata Chaki

Subrata Chaki — Tue, 10 Nov 2009 09:38:09 +0000

VERY INTERESTING BUT LUCID AND USEFUL FOR WORKING ENGINEERES & MANAGERS

By: marsa protector

marsa protector — Mon, 09 Nov 2009 02:12:39 +0000

The main issued nowadays is some manufacture calm their spd have higher kA rating than actual components.

Some other company used multi mov’s for their SPD with small kA rating.The issued is,how to we know that performance in multi mov is greater or same as single mov