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Lionel - RS-1 50-Watt Transformer (6-12780) Items for Sale
First Catalog: Lionel 1990 Book One Catalog
Most Recent Catalog: Lionel 1993 Book Two Catalog
Part Number: 6-12780
Category: Transformer
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| eBay Summary - Currency Code: USD | Count | Avg. Price (USD) | Low Price (USD) | High Price (USD) |
| Bid Auctions | 1 | 29.99 | 29.99 | 29.99 |
| Buy it Now Auctions | 7 | 75.77 | 34.99 | 116.18 |
Listed below are current active eBay auctions for this Item.
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Current eBay Auctions
Title: Lionel RS-I (RS-1) 6-12780 High Output Power Unit AC Transformer/Controller (a)
Currency: USD
Current Bid Price: $29.99 ( 0 bids)
Auction Ends: 3rd August, 2026
Item location: Newville, US
Seller Rating: 1893/100.0%
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Currency: USD
Current Bid Price: $29.99 ( 0 bids)
Auction Ends: 3rd August, 2026
Item location: Newville, US
Seller Rating: 1893/100.0%
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Title: Lionel RS-I (RS-1) 6-12780 High Output Power Unit AC Transformer/Controller (c)
Currency: USD
Buy It Now Price: $34.99
Item location: Newville, US
Seller Rating: 1894/100.0%
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Currency: USD
Buy It Now Price: $34.99
Item location: Newville, US
Seller Rating: 1894/100.0%
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Title: Lionel 12780 RS-I (RS-1) TRANSFORMER High Output Power Unit -Used Tested
Currency: USD
Buy It Now Price: $53.13 or Best Offer
Item location: Melbourne, US
Seller Rating: 1592/99.9%
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Currency: USD
Buy It Now Price: $53.13 or Best Offer
Item location: Melbourne, US
Seller Rating: 1592/99.9%
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Title: Lionel RS-I (RS-1) TRANSFORMER High Output Power Unit 6-12780
Currency: USD
Buy It Now Price: $64.14 or Best Offer
Item location: Ontario, US
Seller Rating: 5497/99.6%
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Currency: USD
Buy It Now Price: $64.14 or Best Offer
Item location: Ontario, US
Seller Rating: 5497/99.6%
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Title: Lionel 6-12780 RS-1 50 Watt Transformer LN/Box
Currency: USD
Buy It Now Price: $81.99
Item location: Flowery Branch, US
Seller Rating: 770775/99.8%
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Currency: USD
Buy It Now Price: $81.99
Item location: Flowery Branch, US
Seller Rating: 770775/99.8%
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Title: Lionel RS-I (RS-1) 6-12780 High Output Power Unit AC Transformer/Controller
Currency: USD
Buy It Now Price: $89.99
Item location: Apache Junction, US
Seller Rating: 6355/99.7%
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Currency: USD
Buy It Now Price: $89.99
Item location: Apache Junction, US
Seller Rating: 6355/99.7%
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Title: Lionel RS-I (RS-1) 6-12780 High Output Power Unit AC Transformer/Controller
Currency: USD
Buy It Now Price: $90.00 or Best Offer
Item location: Bear, US
Seller Rating: 280/100.0%
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Currency: USD
Buy It Now Price: $90.00 or Best Offer
Item location: Bear, US
Seller Rating: 280/100.0%
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Title: Lionel 6-12780 RS-I High Output Power Unit AC Transformer Controller Open Box
Currency: USD
Buy It Now Price: $116.18
Item location: Richmond, US
Seller Rating: 4357/99.9%
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Currency: USD
Buy It Now Price: $116.18
Item location: Richmond, US
Seller Rating: 4357/99.9%
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Last Updated August 2, 2026, 6:53 am
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