Help needed with relay design

B

BarryGlen

Guest
I need to have the coil of the relay stay working for 45 seconds after the
power is removed. space is limited. and all is 240v.

BarryGlen
NOSPAM.barryglen@optusnet.com.au
 
"BarryGlen" <NOSPAM.BarryGlen@optusnet.com.au> wrote in message
news:3f3aaf62$0$14564$afc38c87@news.optusnet.com.au...
I need to have the coil of the relay stay working for 45 seconds after the
power is removed. space is limited. and all is 240v.

BarryGlen
NOSPAM.barryglen@optusnet.com.au

Time delay relays may do the job. Otherwise run a relay with a lower than
Click to expand...
240V coil and have a time delay circuit on that. Check RS catalogue to get
an idea of what's about.

Ken
 
Barry,

Do you want to keep the coil energized or do you want to keep the contacts
closed? If it’s keeping the contacts closed used a pneumatic delay relay
N.O.T.O. (Normally Open Timed Open)

Jay

"BarryGlen" <NOSPAM.BarryGlen@optusnet.com.au> wrote in message
news:3f3aaf62$0$14564$afc38c87@news.optusnet.com.au...
I need to have the coil of the relay stay working for 45 seconds after the
power is removed. space is limited. and all is 240v.

BarryGlen
NOSPAM.barryglen@optusnet.com.au
Click to expand...
 
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