[TechAssist] Re: Arcing relay

  • From: "J Silverman" <greentron@xxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Fri, 27 Feb 2004 14:27:03 -0500

You need to buy a motor starting relay. They are rated in horsepower, as
well as volts and amps. You can buy them with or without built in overload
protection and replaceable contacts.
Jerry Silverman
Greentron Inc
4 Newland Ave
Greenville SC 29609
864 232 3889
Fax 271 2080
----- Original Message -----
From: "Larry Poffen" <lpoffen@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, February 26, 2004 7:30 PM
Subject: [TechAssist] Arcing relay

> I have a shop that has a side on it where I may store sets, park a vehicle
> ect.  I also have an air compressor in there with a hose reel on the
> that I can use to blow out some of the very nasty sets I get at times.
> time I have to open the 8 foot garage door to turn on the compressor so I
> decided to install a remote switch on the outside of the bldg by the hose
> reel & use it to turn on the compressor via a relay.  I ordered a 10 amp
> 220v rated with a 24v control relay  from  Mouser electronics, mounted it
> a box & hooked up the relay to switch the compressor on & off.  This is a
> double pole relay as the comp is 220vac.  It worked fine for about a week
> then quit.   I found no continuity on one set of contacts of the relay.
> control coil worked fine though but only had both  110v inputs but only 1
> 110v output.   I ordered another relay & it worked for about 2 weeks.
> the first one apart & found the contacts badly arced.  I need to put
> something across the contacts to prevent arcing but don`t know what to
> Any ideas?   Appreciate any comments.   Larry P
> Larrys TV Service
> Broken Arrow OK 74011
> phone 918-455-1041
> Fax 918-451-4485
> e-mail lpoffen@xxxxxxx
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