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relays in parallel

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Member - Posts: 1
Member spacespace
Joined: August 23, 2004
Location: United States
Posted: August 23, 2004 at 11:05 PM / IP Logged  
Can 2 30A relays be wired in parallel to get greater output?
Platinum - Posts: 5,041
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Joined: December 23, 2002
Location: Arizona, United States
Posted: August 23, 2004 at 11:10 PM / IP Logged  
How much power do you need? It may be worth buying a heavy duty solenoid.
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Copper - Posts: 84
Copper spacespace
Joined: May 12, 2002
Location: United States
Posted: August 24, 2004 at 6:06 PM / IP Logged  
A solenoid or higher rated relay may be a better choice, but you can double (2) 30 amp relays to get a 60 amp capacity. How about a multi-pole relay with all poles parallelled? Remember a 3 pole 30 amp relay is 30 amps per pole.....2 poles paralleled = 60 amps.
Silver - Posts: 586
Silver spacespace
Joined: May 18, 2003
Posted: August 24, 2004 at 8:23 PM / IP Logged  
you would be better off with a higher current switching device (as stated) switching time differences will lead to one of the relays carrying all the current, may never cause problems though...

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