relays

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relay

Hi guys got a problem can anyone point me in the right direction i need a relay or somthing to close then open in 0.5 of a second. any idears
- peteludman
- Thread
- Oct 22, 2009
- aus lights power relay relays switch timeclock
- Replies: 5
- Forum: Australia
S
auxilliary contacts in relays and in vcb's

what function does the auxilliary contacts in vcb and relays serve? what's the need for auxilliary relays??
- supercore
- Thread
- Oct 22, 2009
- breaker canada circuit contacts other relay relays
- Replies: 6
- Forum: Canada
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Undervoltage Relays!

Hi there. Just wondering whether undervoltage relays exist? I am hoping to use one in a circuit which when it senses an undervoltage will switch, so i can then power a circuit from a battery back-up? In other words, when the power is lost, the relay will detect this and then switch which then...
- Leccy1976
- Thread
- Mar 20, 2009
- aus relay relays volts
- Replies: 8
- Forum: Australia
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distance protection relays connection

How distance protection relays are connected in a circuit i.e.busbars, feeders?
- speedtronic
- Thread
- Sep 26, 2008
- connection distance protection relay relays
- Replies: 0
- Forum: Industrial Electricians' Talk
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240V 10A Relays

HI chaps this might sound like an odd one but i need a 10A rated 240V relay that is switched by an electro mechanical switch that is rated at 800W. so i need the 800W switch to switch a relay to to caryy about 2000W the reason for this is the system i am using cant switch such a high load so the...
- dragon-av
- Thread
- Jun 2, 2008
- 240v canada relay relays
- Replies: 5
- Forum: Canada

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