Electrical Transformers for Sale
Step up, step down, or isolation transformers for sale. Single or three phase, up to 25kVA- find it at Blackhawk Supply.
![ACI](http://blackhawksupply.com/cdn/shop/collections/aci_100x.png?v=1591339308)
![Allanson Transformers](http://blackhawksupply.com/cdn/shop/collections/allanson_100x.gif?v=1682351279)
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![Dwyer](http://blackhawksupply.com/cdn/shop/collections/image_100x.png?v=1633955411)
![First Co](http://blackhawksupply.com/cdn/shop/collections/first-co_100x.gif?v=1682361941)
![Functional Devices](http://blackhawksupply.com/cdn/shop/collections/functionaldevices_large_7f053010-5126-44b4-a7f0-332ff92f946e_100x.png?v=1591606065)
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![Mcdonnell Miller](http://blackhawksupply.com/cdn/shop/collections/mcdonnell-and-miller_100x.gif?v=1682366073)
![Modine](http://blackhawksupply.com/cdn/shop/collections/modine_100x.gif?v=1682366204)
![Rinnai](http://blackhawksupply.com/cdn/shop/collections/rinnai_100x.gif?v=1682367259)
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![Veris](http://blackhawksupply.com/cdn/shop/collections/veris_large_8b9217af-54c0-47f3-bde0-c36ce31dbeb3_100x.png?v=1655982707)
![Weil Mclain](http://blackhawksupply.com/cdn/shop/collections/weil-mclain_100x.gif?v=1682369568)
![York](http://blackhawksupply.com/cdn/shop/collections/york_100x.gif?v=1682369708)
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![Allanson Transformers 2721-631A Transformer Ignition 313-25AB86 120 10000 250 60Hertz | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/213520_755eb1ea-38e3-4094-aa91-5a41903091f5_medium.jpg?v=1717077434)
2721-631A | Transformer Ignition 313-25AB86 120 10000 250 60Hertz | Allanson Transformers
Brand: Allanson Transformers
SKU: 2721-631A
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![Allanson Transformers 2275-629 Ignition Transformer 629 Carlin 17.5 200 201 500 501 CRD Burners | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/245677_c931cef8-96d7-4cd2-b52c-05ef8a1eb2b8_medium.jpg?v=1717077252)
2275-629 | Ignition Transformer 629 Carlin 17.5 200 201 500 501 CRD Burners | Allanson Transformers
Brand: Allanson Transformers
SKU: 2275-629
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![Allanson Transformers 2275-456 Ignition Transformer 456 Aero Burners | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/244238_5b502674-4da8-482c-a84d-4d752654ec6c_medium.jpg?v=1718674654)
2275-456 | Ignition Transformer 456 Aero Burners | Allanson Transformers
Brand: Allanson Transformers
SKU: 2275-456
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![Allanson Transformers 1092-F Transformer F-Ignition for Gas Application 150 VA 120 Volt 60 Hertz | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/473850_medium.jpg?v=1717076962)
1092-F | Transformer F-Ignition for Gas Application 150 VA 120 Volt 60 Hertz | Allanson Transformers
Brand: Allanson Transformers
SKU: 1092-F
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![Functional Devices TR50VA027 Transformer 50VA, 240-24V, single hub, Class 2 Listed US/C | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/TR50VA027_57e35df7-500c-4f74-aca0-3524a0426bee_medium.jpg?v=1708365247)
TR50VA027 | Transformer 50VA, 240-24V, single hub, Class 2 Listed US / C | Functional Devices
Brand: Functional Devices
SKU: TR50VA027
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![Functional Devices TR50VA005-28 Transformer 50VA, 120-24V, single hub, Class 2 C-UL List, Cir. Brk. 28in leads | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/TR50VA027-600x600_medium.jpg?v=1688881085)
TR50VA005-28 | Transformer 50VA, 120-24V, single hub, Class 2 C-UL List, Cir. Brk. 28in leads | Functional Devices
Brand: Functional Devices
SKU: TR50VA005-28
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![Functional Devices TR75VA001-28 Transformer 75VA, 120-24V, 1 hub, Class 2 UL Listed US & C, CBkr, 28 in wires | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/TR75VA001-600x600_dfff691e-4745-4ff3-89bc-8e14b465cb00_medium.jpg?v=1688880983)
TR75VA001-28 | Transformer 75VA, 120-24V, 1 hub, Class 2 UL Listed US & C, CBkr, 28 in wires | Functional Devices
Brand: Functional Devices
SKU: TR75VA001-28
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![Functional Devices TR100VA026 Transformer 100VA, 347/120-24Vac, dual hub, CB UL Class 2 Listed US&C | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/TR100VA026_medium.jpg?v=1699657468)
TR100VA026 | Transformer 100VA, 347 / 120-24Vac, dual hub, CB UL Class 2 Listed US&C | Functional Devices
Brand: Functional Devices
SKU: TR100VA026
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![Functional Devices TR100VA027 Transformer 100VA, 240-24V, single hub, Class 2 Listed UL/C | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/TR100VA027_medium.jpg?v=1699657449)
TR100VA027 | Transformer 100VA, 240-24V, single hub, Class 2 Listed UL / C | Functional Devices
Brand: Functional Devices
SKU: TR100VA027
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![Functional Devices RIB21BPP5 Enclosed Power Pack, 20 Amp SPDT, 24Vdc power out, 120-277 Vac Power Input | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/RIB21BPP5_cad428e9-75e0-498f-9a06-605db81080a7_medium.jpg?v=1708365090)
RIB21BPP5 | Enclosed Power Pack, 20 Amp SPDT, 24Vdc power out, 120-277 Vac Power Input | Functional Devices
Brand: Functional Devices
SKU: RIB21BPP5
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![Johnson Controls Y66F12-0 TRANSFORMER UR CLASS 2; 277/480VAC PRIMARY 24VAC SECONDARY 75VA UR CUR RECOGNIZED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/Y65_64787bdd-8a6e-4e22-b7dc-f01e5359fa30_medium.jpg?v=1715745940)
Y66F12-0 | TRANSFORMER UR CLASS 2; 277 / 480VAC PRIMARY 24VAC SECONDARY 75VA UR CUR RECOGNIZED | Johnson Controls
Brand: Johnson Controls
SKU: Y66F12-0
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![Johnson Controls Y65S13-0 TRANSFORMER UL CLASS 2; 208/240VAC PRIMARY 24VAC SECONDARY 40VA UL CUL LISTED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/Y65_a6778cce-c68b-4030-9bd0-b5b19789baf0_medium.jpg?v=1715745937)
Y65S13-0 | TRANSFORMER UL CLASS 2; 208 / 240VAC PRIMARY 24VAC SECONDARY 40VA UL CUL LISTED | Johnson Controls
Brand: Johnson Controls
SKU: Y65S13-0
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SAS61.33U | MT Series SAS Electronic Valve Act, SR, 24V, 0-10V / 4-20 mA Proport Control | Siemens
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Brand: iO HVAC Controls
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