Load control module needed

[dgbldr]

I need a box that allows me to control a 110V load from an external low-voltage switch or dry contacts. Basically a relay and 12 or 24V transformer in a box, preferably with a receptacle on it.

Yes I can make this myself, but I need a clean looking assembly that's hopefully listed or at least sold as a manufactured unit. Can you help?

[davidj]

This looks like it might work. I have not used this model, but I have used relays made by the same company.

http://www.functionaldevices.com/lig...del=PWH24V300A

[dgbldr]

Thanks David. That's just a 24V transformer in a box. Would need to add a relay to it. Might work.

[davidj]

Well stink! The reason I posted a link to that page was because that site came up in a search for a relay that I use called a RIB. It stands for Relay In a Box. They are self contained, compact, and very handy. They just don't have a transformer built in. I thought the page I linked was one that did.

I get them at a local HVAC wholesaler as none of the electrical supply houses in my area stock them.

[dgbldr]

Yes we use the RIBs as well. Very handy little buggers, you can attach them to any JB.

On this job we would have preferred a box with everything inside, but might have to settle for the box you linked and put a RIB wart on the side of it. Thanks again.

[tjbnwi]

I have this Honeywell controller on my boiler. 24 volt T-stat signal closes a line voltage relay.

http://www.altheatsupply.com/zone-sw...ump-relay.html

Tom

[dgbldr]

Tom, that looks very much like what I need. Do you know how much current the relay can handle? I'm looking at about a 1/2hp pump. No specs, I'll have to search the Honeywell site.

[davidj]

dgbldr, just curious, what is it that you are working on if I may ask?

[tjbnwi]

The specs are on this page, scroll down. 7.4FLA, 2000VA total max.

http://www.altheatsupply.com/zone-sw...ump-relay.html

Tom

[dgbldr]

OK, I eventually found the exact thing I need:
http://www.pexuniverse.com/honeywell...al-transformer

Thanks Tom for pointing me in the Honeywell direction. Your zone control will also work just fine, but is more than I need, although apparently cheaper.

David, I'm doing a prototype flood control system. Need to control a line operated pump from a pair of dry contacts (sensor or alarm output).

[tjbnwi]

You're welcome. Happy to help.

Tom

[davidj]

Sounds cool. Glad you found what you needed.

[Cheyenps]

The Honeywell looks like just the thing, but if you want something smaller at a lower cost you might look at Wattstopper power pack. The "B" series is rated at 1 HP. There are other series with additional relays, etc. They're designed to work with occupancy sensors but work just fine with a switch or a pair of dry contacts.

www.wattstopper.com/getdoc/1253/PPBroch05.pdf

[dgbldr]

Thanks Steve. That's even better. I'll bookmark that one.