120vac primary electrical transformers 277v Primary
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 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 TR50VA008 Transformer 50VA, 208/240/277/480-120Vac, dual hub, 2.25A circuit breaker UL Lis | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/TR50VA008_medium.jpg?v=1709156867)
TR50VA008 | Transformer 50VA, 208 / 240 / 277 / 480-120Vac, dual hub, 2.25A circuit breaker UL Lis | Functional Devices
Brand: Functional Devices
SKU: TR50VA008
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![Veris X050CBA CONTROL TRANSFORMER | 50VA | MLTTP-24VAC | CB | Ft & Sngl Hub | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/X050CBA_61f7573e-1d22-402e-be87-475a66938572_medium.jpg?v=1688982398)
X050CBA | CONTROL TRANSFORMER | 50VA | MLTTP-24VAC | CB | Ft & Sngl Hub | Veris
Brand: Veris
SKU: X050CBA
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![Functional Devices TR100VA015 Transformer 100VA,120/208/240/277/480-24V, SH,Class2 UL List US/Canada.,Cir.Br | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/TR100VA015_f32c06fd-844b-4f17-ab08-0819ab2d153c_medium.jpg?v=1708365240)
TR100VA015 | Transformer 100VA, 120 / 208 / 240 / 277 / 480-24V, SH, Class2 UL List US / Canada., Cir.Br | Functional Devices
Brand: Functional Devices
SKU: TR100VA015
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![Veris X100CBB CONTROL TRANSFORMER | 100VA | 120/240/277/480-24VAC | CB | FT&DL HUB | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/X100CBB_411dc7f1-e29c-4352-995d-48842fe95d6c_medium.jpg?v=1689243605)
X100CBB | CONTROL TRANSFORMER | 100VA | 120 / 240 / 277 / 480-24VAC | CB | FT&DL HUB | Veris
Brand: Veris
SKU: X100CBB
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![Functional Devices TR50VA004 Transformer 50VA,480/277/240/120-24V,dual hub,Class2 UL List US/Canada,Cir.Bkr. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/TR50VA004_2b7b32ce-680b-43e1-ba52-578866c04bfd_medium.jpg?v=1708365232)
TR50VA004 | Transformer 50VA, 480 / 277 / 240 / 120-24V, dual hub, Class2 UL List US / Canada, Cir.Bkr. | Functional Devices
Brand: Functional Devices
SKU: TR50VA004
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![Functional Devices TR100VA004 Transformer 100VA,120/240/277/480-24V,dual hub,Class2 UL List US/Canada.,Cir.Br | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/TR100VA004_8ad05ccb-fb9f-49ab-8b05-2f9cdf0b5370_medium.jpg?v=1708365232)
TR100VA004 | Transformer 100VA, 120 / 240 / 277 / 480-24V, dual hub, Class2 UL List US / Canada., Cir.Br | Functional Devices
Brand: Functional Devices
SKU: TR100VA004
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![Veris X050CBB CONTROL TRANSFORMER | 50VA | 120/240/277/480-24VAC | CB | FT&DL | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/X050CBB_018a6df8-396f-44ca-8e29-6c8958d0f39e_medium.jpg?v=1688982407)
X050CBB | CONTROL TRANSFORMER | 50VA | 120 / 240 / 277 / 480-24VAC | CB | FT&DL | Veris
Brand: Veris
SKU: X050CBB
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![Veris X040AMB XFmr | 40VA | MLT TP-24VAC | Ft | Dual Hub | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/X040AMB_2ee33c3c-001c-423e-9e1b-633ca613cca6_medium.jpg?v=1688982104)
X040AMB | XFmr | 40VA | MLT TP-24VAC | Ft | Dual Hub | Veris
Brand: Veris
SKU: X040AMB
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![Veris X100CBE XFrmr | 96VA | MLT TP-24Vac.CB | plt-mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/X100CBE_cf0f8c3b-413f-484d-8397-6ba2e488d655_medium.jpg?v=1688982401)
X100CBE | XFrmr | 96VA | MLT TP-24Vac.CB | plt-mount | Veris
Brand: Veris
SKU: X100CBE
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![Functional Devices TR100VA009US Transformer US Made 96VA,120/208/240/277/480-24V, DH,Class2 UL List US/Canada | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/TR100VA009US_medium.jpg?v=1708365211)
TR100VA009US | Transformer US Made 96VA, 120 / 208 / 240 / 277 / 480-24V, DH, Class2 UL List US / Canada | Functional Devices
Brand: Functional Devices
SKU: TR100VA009US
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![Functional Devices TR100VA005 Transformer 100VA,120/240/277/480-24V,single hub,Class2 UL List US/CA,Cir.Br | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/TR100VA005_abe3060a-f4e2-4bb1-90b3-66db1405b653_medium.jpg?v=1708365209)
TR100VA005 | Transformer 100VA, 120 / 240 / 277 / 480-24V, single hub, Class2 UL List US / CA, Cir.Br | Functional Devices
Brand: Functional Devices
SKU: TR100VA005
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![KMC XEE-6311-050 Transformer; MULTI TAP TO 24VAC 50VA | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/XEE-6311-100-medium_b26f169e-f4c6-4574-881d-6c9c3e96d2a2_medium.jpg?v=1712853078)
XEE-6311-050 | Transformer; MULTI TAP TO 24VAC 50VA | KMC
Brand: KMC
SKU: XEE-6311-050
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![Veris X100CBA CONTROL TRANSFORMER | 100VA | MLTTP-24VAC | CB | Ft & Sngl Hub | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/X100CBA_c48dc2b2-5f92-47a5-9443-921defe4b2a2_medium.jpg?v=1688982474)
X100CBA | CONTROL TRANSFORMER | 100VA | MLTTP-24VAC | CB | Ft & Sngl Hub | Veris
Brand: Veris
SKU: X100CBA
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![Functional Devices TR100VA009 Transformer 100VA,120/208/240/277/480-24V, DH,Class2 UL List US/Canada.,Cir.Br | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/TR100VA009_953d8b43-d274-4ca7-b53d-6d76b5ac6626_medium.jpg?v=1708365216)
TR100VA009 | Transformer 100VA, 120 / 208 / 240 / 277 / 480-24V, DH, Class2 UL List US / Canada., Cir.Br | Functional Devices
Brand: Functional Devices
SKU: TR100VA009
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![KMC XEE-6311-100 Transformer; MULTI TAP TO 24VAC 100VA | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/XEE-6311-100-medium_ffaaa1e9-fbb3-4801-a8d8-4ce74fdcbbc5_medium.jpg?v=1712853007)
XEE-6311-100 | Transformer; MULTI TAP TO 24VAC 100VA | KMC
Brand: KMC
SKU: XEE-6311-100
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![Veris X050COA XFmr | 50VA | MLT TP-24VAC | CB | Ft | Sngl Hub | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/X050COA_medium.jpg?v=1688982313)
X050COA | XFmr | 50VA | MLT TP-24VAC | CB | Ft | Sngl Hub | Veris
Brand: Veris
SKU: X050COA
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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 TR100VA004US DISCONTINUED Transformer US made100VA,120/240/277/480-24V,2 hub,Class2 UL List US/Can,Cir.Br | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/TR100VA004US_medium.jpg?v=1708365246)
TR100VA004US | DISCONTINUED Transformer US made100VA, 120 / 240 / 277 / 480-24V, 2 hub, Class2 UL List US / Can, Cir.Br | Functional Devices (OBSOLETE)
Brand: Functional Devices
SKU: TR100VA004US
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![Veris X050COB XFmr | 50VA | MLT TP-24VAC | CB | Ft | Dual Hub | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/X050COA_7f3b3c17-ccaa-4da8-a282-de32ca63405d_medium.jpg?v=1688982358)
X050COB | XFmr | 50VA | MLT TP-24VAC | CB | Ft | Dual Hub | Veris
Brand: Veris
SKU: X050COB
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