120vac primary electrical transformers No Circuit breaker
120VAC primary transformers are available. For supplying lower secondary voltages. Buck-boost, control power, or filament transformers- shop now.
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![Functional Devices TR40VA001 Transformer 40VA, 120-24V, single hub, Class 2 UL Listed US/Canada,Inherent Lim | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/TR40VA001_0e735e7c-bb0b-4bb8-a189-b8a2a533c6f9_medium.jpg?v=1709156818)
TR40VA001 | Transformer 40VA, 120-24V, single hub, Class 2 UL Listed US / Canada, Inherent Lim | Functional Devices
Brand: Functional Devices
SKU: TR40VA001
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![Functional Devices TR50VA022US Transformer US Made 50VA 120/208/240/277/480-24V 2H Class 2 UL US/CA CB | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/TR50VA022US_426cb187-28fd-4dd1-8e71-111b7f366398_medium.jpg?v=1708365240)
TR50VA022US | Transformer US Made 50VA 120 / 208 / 240 / 277 / 480-24V 2H Class 2 UL US / CA CB | Functional Devices
Brand: Functional Devices
SKU: TR50VA022US
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![Functional Devices TR20VA001 Transformer 20VA, 120-24V, single hub, Class 2, UL List., US/Can.,Inherent Lim. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/TR20VA001_e06aef5e-dd85-44a7-9a79-ec1c5abbee9b_medium.jpg?v=1708365236)
TR20VA001 | Transformer 20VA, 120-24V, single hub, Class 2, UL List., US / Can., Inherent Lim. | Functional Devices
Brand: Functional Devices
SKU: TR20VA001
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![Functional Devices TR300VA002 Transformer 300VA 120/208/240/480-24Vac UL Rec | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/TR300VA002_f70ac87f-12bc-4b40-8684-e883f9eb5fd8_medium.jpg?v=1709156818)
TR300VA002 | Transformer 300VA 120 / 208 / 240 / 480-24Vac UL Rec | Functional Devices
Brand: Functional Devices
SKU: TR300VA002
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![Functional Devices TR50VA001 Transformer 50VA, 120-24V, single hub, Class 2 UL Listed US/Canada,3A Fuse | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/TR50VA001_db20ecea-2341-416f-980f-37ff44e8091d_medium.jpg?v=1708365229)
TR50VA001 | Transformer 50VA, 120-24V, single hub, Class 2 UL Listed US / Canada, 3A Fuse | Functional Devices
Brand: Functional Devices
SKU: TR50VA001
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![Functional Devices TR40VA015 Transformer 40VA, 120/208/240-24V Class 2 UL Listed 1N+Foot w/ Plate | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/TR40VA015_22800c7d-ee6b-4f39-9589-f466b91e869d_medium.jpg?v=1708365233)
TR40VA015 | Transformer 40VA, 120 / 208 / 240-24V Class 2 UL Listed 1N+Foot w / Plate | Functional Devices
Brand: Functional Devices
SKU: TR40VA015
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![Functional Devices TR50VA001US Transformer US made 50VA, 120-24V, 1 hub, Class 2 UL Listed US/Can,3A Fuse | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/TR50VA001US_medium.jpg?v=1708365233)
TR50VA001US | Transformer US made 50VA, 120-24V, 1 hub, Class 2 UL Listed US / Can, 3A Fuse | Functional Devices
Brand: Functional Devices
SKU: TR50VA001US
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![Functional Devices TR375VA001 Transformer 375VA, 120-24V, 2 BO hub, UL List US/Canada | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/TR375VA001_medium.jpg?v=1709156817)
TR375VA001 | Transformer 375VA, 120-24V, 2 BO hub, UL List US / Canada | Functional Devices
Brand: Functional Devices
SKU: TR375VA001
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![KMC XEE-6111-040 Transformer; 120/24 40VA SINGLE HUB | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/XEE-6111-040-medium_medium.jpg?v=1712853025)
XEE-6111-040 | Transformer; 120 / 24 40VA SINGLE HUB | KMC
Brand: KMC
SKU: XEE-6111-040
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![Functional Devices TR175VA003 Transformer 175VA, 120-24V, single hub, UL Listed US/Canada | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/TR175VA003_a77666f8-2cd0-467b-9c0a-37bc57b9c6ba_medium.jpg?v=1708365225)
TR175VA003 | Transformer 175VA, 120-24V, single hub, UL Listed US / Canada | Functional Devices
Brand: Functional Devices
SKU: TR175VA003
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![Functional Devices TR175VA002 Transformer 175VA, 120-24V, dual hub, UL List US/Canada | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/TR175VA002_medium.jpg?v=1699657456)
TR175VA002 | Transformer 175VA, 120-24V, dual hub, UL List US / Canada | Functional Devices
Brand: Functional Devices
SKU: TR175VA002
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![KMC XEE-6111-050 Transformer; 120/24 50VA SINGLE HUB | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/XEE-6311-100-medium_8d5ea5ae-acdf-4c47-9b6a-da50897ea015_medium.jpg?v=1712853053)
XEE-6111-050 | Transformer; 120 / 24 50VA SINGLE HUB | KMC
Brand: KMC
SKU: XEE-6111-050
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![Functional Devices TR50VA019 Xfrmr 50VA,277/120V-24,Plast endbells,Vert foot mnt,UL Rec US/CA,28in wires | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/TR50VA019_medium.jpg?v=1708365246)
TR50VA019 | Xfrmr 50VA, 277 / 120V-24, Plast endbells, Vert foot mnt, UL Rec US / CA, 28in wires | Functional Devices
Brand: Functional Devices
SKU: TR50VA019
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![Functional Devices TR50VA002 Transformer 50VA, 120-24V, dual hub, Class 2 UL Listed US/Canada,3A Fuse | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/TR50VA002_820f12fe-22d8-4acc-af60-a2d32e1fed00_medium.jpg?v=1708365217)
TR50VA002 | Transformer 50VA, 120-24V, dual hub, Class 2 UL Listed US / Canada, 3A Fuse | Functional Devices
Brand: Functional Devices
SKU: TR50VA002
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![Functional Devices TR40VA040 Transformer 40VA, 120/208/240-24V Class 2 UL Listed 1N+FOOT, W/T, w/ Plate | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/TR40VA040_b69a1a39-792d-40a2-b6f2-76df00f1ac4a_medium.jpg?v=1708365219)
TR40VA040 | Transformer 40VA, 120 / 208 / 240-24V Class 2 UL Listed 1N+FOOT, W / T, w / Plate | Functional Devices
Brand: Functional Devices
SKU: TR40VA040
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![Functional Devices TR40VA022 Transformer 40VA, 120-24V Class 2 UL Listed 2N+FOOT 8 primary, 30 secondary | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/TR40VA022_medium.jpg?v=1718816471)
TR40VA022 | Transformer 40VA, 120-24V Class 2 UL Listed 2N+FOOT 8 primary, 30 secondary | Functional Devices
Brand: Functional Devices
SKU: TR40VA022
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![Functional Devices TR40VA002US Transformer US made 40VA, 120-24V, 2 hub, Class2 UL Listed US/Can,Inherent Limit | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/TR40VA002US_6e9ebab8-d16e-43a0-9ed2-ba1af8cd7cde_medium.jpg?v=1688876938)
TR40VA002US | Transformer US made 40VA, 120-24V, 2 hub, Class2 UL Listed US / Can, Inherent Limit | Functional Devices
Brand: Functional Devices
SKU: TR40VA002US
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![Functional Devices TR40VA002 Transformer 40VA, 120-24V, dual hub, Class 2 UL Listed US/Canada,Inherent Limit | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/TR40VA002_60c68377-c433-4221-94d5-0390a9812e9c_medium.jpg?v=1708365236)
TR40VA002 | Transformer 40VA, 120-24V, dual hub, Class 2 UL Listed US / Canada, Inherent Limit | Functional Devices
Brand: Functional Devices
SKU: TR40VA002
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![Functional Devices TR40VA001US Transformer US made 40VA, 120-24V, 1 hub, Class 2 UL Listed US/Can,Inherent Lim | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/TR40VA001US_0f8467eb-c3cc-44fb-9182-c3feb468bfed_medium.jpg?v=1688877248)
TR40VA001US | Transformer US made 40VA, 120-24V, 1 hub, Class 2 UL Listed US / Can, Inherent Lim | Functional Devices
Brand: Functional Devices
SKU: TR40VA001US
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![Functional Devices TR240VA001 Transformer 240VA, 120-24V, 2 hub 1TH + 1 BO, UL List US/Canada | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/TR240VA001_ea6fac8a-77d2-4d7e-9213-ac90b13832bb_medium.jpg?v=1708365228)
TR240VA001 | Transformer 240VA, 120-24V, 2 hub 1TH + 1 BO, UL List US / Canada | Functional Devices
Brand: Functional Devices
SKU: TR240VA001
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![KMC XEE-6112-040 Transformer; 120/24 40VA DUAL HUB | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/XEE-6311-100-medium_41d202db-0ca1-4d43-b76e-55e808389bd2_medium.jpg?v=1712852992)
XEE-6112-040 | Transformer; 120 / 24 40VA DUAL HUB | KMC
Brand: KMC
SKU: XEE-6112-040
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![KMC XEE-6112-050 Transformer; 120/24 50VA DUAL HUB | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/XEE-6311-100-medium_eae7619c-538b-407e-ad85-a56f207a1d52_medium.jpg?v=1712853007)
XEE-6112-050 | Transformer; 120 / 24 50VA DUAL HUB | KMC
Brand: KMC
SKU: XEE-6112-050
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