Darkfall Posted January 3, 2012 Share Posted January 3, 2012 NO and NC don't matter much, since you're not actually using the contactor to switch anything - it's just there to make noise, so which way it switches doesn't make much difference, so long as it makes noise when it's energized (which it will). Since these are 24 volt, you'll need a 24 volt power supply on top of whatever other power supplies you need for your other devices, which is no big deal - but it's an extra expense. In terms of how much "thump" you'll get out of these models, it's hard to say. I'm sure you'll get something, but will they sound the same as the other ones? That's a very solid "maybe". Link to comment Share on other sites More sharing options...
maxxsinner Posted January 3, 2012 Share Posted January 3, 2012 from the stuff I have played with, a coil being energized makes the same thump as the next. Only difference I have found is that the height of the coil makes a bit of difference. longer travel, longer delay in the thump. Link to comment Share on other sites More sharing options...
luvthatapex Posted January 3, 2012 Share Posted January 3, 2012 I used the 24v siemens contactors in my builds and they make a small thump, and sound similar to the ones Chris used at 12v. No noticable delay.I didn't a/b compare them. I used a cheap 24v power supply from ebay (something like $30). I couldn't find the 12v ones either, but found some 24v siemens contactors on ebay. I am in PA in the USA. Link to comment Share on other sites More sharing options...
pixelmagic Posted January 3, 2012 Share Posted January 3, 2012 I also got the 24 volt, as long as you use a 24 volt PSU the end result is the same. Got them a LOT cheaper secondhand on ebay ! Link to comment Share on other sites More sharing options...
Takedown Posted January 3, 2012 Share Posted January 3, 2012 Thanks all. Going to give it a shot Link to comment Share on other sites More sharing options...
BitPirate Posted April 11, 2012 Share Posted April 11, 2012 I'm finding plenty of the 3rt1016-bb41 contactors, which are 24v dc no. wolf and Maschine seem to sell the ba42 which is 12v dc nc. Does it matter whether it's no or nc? Should the ones I found work? Thanks. it depends on how you plan on using it. The 24v drives the switch. In the case of a nc, when you provide the coil with 24v, the switch will simply toggle (opening). If you just want the action of the coil (the force feedback) then nc or no should be just fine. If however you are hooking your ipac up to that switch so that when the contactor activates you want it to send a signal to your ipac then I'm not sure this will work for you. It's been a while so I can't remember if ipac can be programmed for nc switches. If it's anything like a reg keyboard encoder and you plan on a setup like this, you will need a no contactor. **update - i gotta refresh before posting Link to comment Share on other sites More sharing options...
mattdavis Posted April 15, 2012 Share Posted April 15, 2012 Hello, Hope somebody can make sure of this info. I just purchased a 9 unit lot of 3RH1140-1BB40 relays from this guy on eBay for $125. He had them listed at $304 with a "Make Offer". I thought- what the heck and offered him about 43% of asking price and he took it. $13.88 each +$2 each shipping=$15.88 each. From reading, it sounds like a good deal. Unfortunately, he does not have another 9 lot up, but he does have a 20 lot (maybe 2) for $604. Link below. If he is consistent, doing the math, he should take ~$277 for 20 units. His shipping is almost 50% less per unit in the large lots. Maybe two people can split the order. http://www.ebay.com/itm/Siemens-Serius-3R-Relay-3RH1140-1BB40-Lot-of-20-Working-/170523040259?pt=LH_DefaultDomain_0&hash=item27b3f71a03#ht_2081wt_1396 Link to comment Share on other sites More sharing options...
DeeGor Posted April 16, 2012 Share Posted April 16, 2012 Cool find Matt. I wish I had found this myself with my build. Would have saved me a lot of cash. Link to comment Share on other sites More sharing options...
slykittycat Posted April 16, 2012 Share Posted April 16, 2012 Hi Could someone verify what these are 12v? 24v? are they a good choice? thanks for any input also from usa and i have no clue what to look for no markings in lower right corner of any contactors that i have seen Link to comment Share on other sites More sharing options...
maxxsinner Posted April 16, 2012 Share Posted April 16, 2012 That one is a 440V AC coil so no good for our cabinets (unless someone wants to put 3 phase power in thier cabs.... Now that would be braggin rights! ) Link to comment Share on other sites More sharing options...
mclarkin9681 Posted September 6, 2013 Share Posted September 6, 2013 I am new to the visual pinball world. I have going over the Pinball Electrical 101 posted on a different forum - http://www.hyperspin-fe.com/forum/showthread.php?12459-Pinball-Electrical-101 I found a couple 24v contactors on eBay and was wondering if anyone has used these and if they are the correct ones. http://www.ebay.com/itm/Allen-Bradley-Contactor-100-C09D-10-100-C09D10-24vdc-Coil-/130967410765?pt=LH_DefaultDomain_0&hash=item1e7e44184d Thanks in advance. P.S. i am aware this is an older thread. Link to comment Share on other sites More sharing options...
DeeGor Posted September 7, 2013 Share Posted September 7, 2013 12v contactors are difficult to find. 24v contactors are plentiful and a lot cheaper. I've used these contactors in the past and they worked well. Link to comment Share on other sites More sharing options...
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