6 February, 2009
more surge protectors
Few days ago, there was a surge in the electricity. The damage: a few power boards' built-in surge protection have done their duties, and the door chime (plug-in version) is damaged. Obviously I did not use a surge protector for that door chime.
As for those power boards' built-in surge protection, they are not very high rated ones, not a lightning arrester. They can only absorb 75 joules. (Arlec Surge Protected Plug Pack Power Board, SWP-LS)
The package of the power board states:
2. If during use, the indicator lamp goes out, the protection circuit has probably absorbed a large power surge and its surge absorption ability is spent. This means the unit is no longer protecting your equipment and must be replaced, however it can still be used as a regular power board.
As some power blackouts or unstable power is expected over the weekend due to extreme high temperature forecasted. (to Don: We don't have very stable power supply here in Sydney, nor beautiful snow.) I decided to replace the two no longer surge protected power boards with some new ones.
I went to Kmart late tonight and bought a few surge protected power boards and two Arlec Plug-in Power Surge Protector (DA14). (BTW, Kmart in Broadway Shopping Centre is now opening until midnight every day.) These small surge protectors are not the good ones like Belkin Surge Cubes. Arlec DA14 can only absorb up to 75 joules while the Belkin Surge Cube can protect up to 861 joules. Without a doubt, a higher joule rating reflects higher-quality surge protection and longer product life. But at late Friday night in Sydney, where can I get high rating surge protectors like Belkin's?
After shopping at Kmart, I decided to check out Coles supermarket in lower level. It turns out that Coles offers two types of surge protectors Arlec DA11 and Arlec DA14 (like the one Kmart has). The good thing is: DA14 at Kmart is AU$9.99 each, and it is about AU$4.32 each at Coles. As for the DA11 model which is also a double adapter and higher energy absorption of 100 joules it costs AU$3.98 each. I ended up getting 5 Arlec Surge Protected Double Adaptor (DA11) and returned the two DA14 at Kmart.
I will, of course, get some more high rated surge protectors like the Belkin Surge Cubes. Those low rated Arlec surge protectors will be installed on less expensive appliances. It is better to damage the surge protector rather than appliances and important gadgets. Clearly, I haven't got enough Belkin Surge Cubes.
For everybody's concern, I do have proper (high rate) surge protected and noise filter power boards for my Apple Mac computers and entertainment centre (Sony Bravia TV, Sony PlayStation 3 and Nintendo Wii).
related blog entry:
Posted by Antony on 6 February 2009 11:40 PM | gadget
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