selecting a small transformer, how to select one?

[TheEquineFencer]

I'd like to understand how to select a small transformer for small loads. I'm going to be working with 24VAC control voltage.

Here's the specs on what I want to power with the 24VAC voltage. A solenoid with .46A charging/pull-in .06A hold coils. There's going to be 3 of them, at some point I may add 1-2 more down the road.

Basically, it's possible the transformer could see close to 1.5A if they all come on at the same time. My best guess is I need a 36Va minimum for 3 solenoids and a 60Va for 5 solenoids? What would be the correct rated transformer to use?

 

[LS6 Tommy]

You are correct. A xformer with a 24VAC, 55VA secondary is the minimum you'd need for 5 solenoids. The 60VA would be my choice.

Tommy

 

[TheEquineFencer]

You are correct. A xformer with a 24VAC, 55VA secondary is the minimum you'd need for 5 solenoids. The 60VA would be my choice.

Tommy

Here's one I'm thinking about...I figured it'd give me a little "cushion"... https://www.zoro.com/functional-dev...frmr-75va-open-hub-foot-tr75va002/i/G5010187/

 

[LS6 Tommy]

Good choice. I like RIB products. Those are the exact ones I used to carry on the service truck.

Tommy

 

[TheEquineFencer]

Good choice. I like RIB products. Those are the exact ones I used to carry on the service truck.

Tommy

I found it on Zoro, I'll check out RIB....I use that brand relay for my shop lights BTW. They were cheap and work great.