I helped a friend out with his 30B (dead spots and hots spots), and in the process noticed circuit breakers inside that I do not recognize.  Are any of you familiar with them?  Did Gilbert use them or must they be aftermarket units installed by someone else later?  I've always seen the bi-metalic points type.  They are nicely held in place by clearly purpose-built brackets.  I think I found the breaker on the internet - click here.  But what about those brackets?  Do you have any input, observations, experience with, or advice on these to share?  Thanks.

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Those are simply standard automotive breakers retrofitted into the transformer. Made by busmann, eaton, maxi etc.

Those are the breakers Jeff Kane sells as replacements for the ZW breaker. 

 

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Thanks everyone.  I'll check with Jeff at The Train Tender as well as keep an eye out for them next time I'm in the auto parts store.  Good to have alternatives to the original units should they be missing or no longer functional. 

Dave

hello. i just came across this post and i know it is old but is there any chance of getting more photos of this transformer? i have one and i need to know where these wires go from the circuit breakers to the transformer. any help would be most appreciated.

Chuck Harrington has posted copies of all the Flyer factory repair paper at his site:  myflyertrains.org and, in particular, if you look here:  http://myflyertrains.org/gallery/album211 you will see several pages on the 18B and 30B transformers and their wiring diagram.  Its a bit hard to tell, but I'm fairly certain the two little "bumps" above and below the red 'bulbs' in the circuit diagram are the circuit breakers - so that should give you an idea about how they are wired into the circuit.

What do you mean "doesn't help"? It shows the wiring schematic, the breakers, and how everything should go together...

@bullfroggs posted:

hello. i just came across this post and i know it is old but is there any chance of getting more photos of this transformer? i have one and i need to know where these wires go from the circuit breakers to the transformer. any help would be most appreciated.

Is there a problem with the transformer and the cct breakers?

I see you have an older post over here asking very similar things (https://ogrforum.ogaugerr.com/...lyer-30b-transformer) and you were given a the same information/resources. The stumbling block seems to be in extracting and applying all the information contained within the wiring diagram.

The wiring diagram simply is a pictorial layout of the components and the wires/conductors (lines) that connect them. You don't need to digest it as a whole, but find a component of interest and then trace/follow the lines (wires/conductors) individually to the next connected component.

I've highlighted the circuit breakers in red for you as you indicated and attempted to verbally trace the lines for you.

Each breaker has two terminals, an input and an output.

The bottom breaker, the input has two wires - one from the transformer secondary coil common output and one going to a red lamp. The output of the bottom breaker goes to one of the legs of the the corresponding volt meter and onto the respective base terminal.

The upper breaker in the diagram s the other volt meter through to the other base terminal straddles the other red indicator lamp. The output goes to a leg of the green lamp.

If starting at the breakers is confusing, try starting at another component near by, such as the volt meter terminals, the base terminal screw studs, or lamp leads. Again, don't try to digest it as a whole. You don't go look at a road map and in an instant know how to get from A to B, you trace a route one intersection at a time.

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Last edited by bmoran4

Like a light bulb, a breaker seldom cares which wire goes where. Most work wired in any direction.

Primary side is ac in. Secondary is the low volt wind.  Figuring out each low volt winding output by size vs the pic size is usually easy. The schematic shows the windings separate, but they are really "stacked" inline .  The wide/long one is high volts, short/narrow between them is 5v, etc.

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bmoran4. thanks for this explanation. yes, i had a post some time ago about this transformer but the member didn't want to take his apart and get some pictures for me but that was alright. i put it on the shelf until i seen this post about these breakers and decided to give it another shot. got the breaker and wired them as you stated but the red light stays on which to my understanding only the green light stays on and the red goes on when the breaker trips. so, either these breakers aren't the right ones, i wired it wrong, or just put it back on the shelf in which i pick the latter. thanks for your concern and help.

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