Shop 277 480v transformer

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$1,709.75
3-Phase 480V Delta - 480 Y 277 Isolation Transformer 15 Kva | New
Maddox
$1,709.75
3-Phase 480V Delta - 480 Y 277 Isolation Transformer 15 Kva | New
Maddox
$4,571.88
3-Phase 600V Delta - 480 Y 277 75 Kva Transformer
Maddox
$4,571.88
3-Phase 600V Delta - 480 Y 277 75 Kva Transformer
Maddox
$7,624.75
3-Phase 480V Delta - 480 Y 277 Isolation Transformer 150 Kva | New
Maddox
$7,624.75
3-Phase 480V Delta - 480 Y 277 Isolation Transformer 150 Kva | New
Maddox
$58.07
Keystone KTAT-250-480-277 /A Step Down Transformer 480V To 277V
Light Bulb Surplus
1
$58.07
Keystone KTAT-250-480-277 /A Step Down Transformer 480V To 277V
Light Bulb Surplus
$15,908.00
Step Up Transformer 300 Kva 3-Phase 240V Delta - 480 Y 277 Step Up Transformer
Maddox
$15,908.00
Step Up Transformer 300 Kva 3-Phase 240V Delta - 480 Y 277 Step Up Transformer
Maddox
$578.95
Marley Engineered Products 490015024 480/277 500VA TRANSFORMER
1877ForParts.com
$578.95
Marley Engineered Products 490015024 480/277 500VA TRANSFORMER
1877ForParts.com
$66.77
Keystone KTAT-375-480-277 /A Step Down Transformer 480V To 277V
Light Bulb Surplus
$66.77
Keystone KTAT-375-480-277 /A Step Down Transformer 480V To 277V
Light Bulb Surplus
$42.31
Globalux 250W Transformer MV To HV, 347V-480V (Globalux GETR-480/277-250W)
HomElectrical
$42.31
Globalux 250W Transformer MV To HV, 347V-480V (Globalux GETR-480/277-250W)
HomElectrical
$1,286.77
Hammond Power Solutions C1F007HRS - Transformer 7.5Kva 480/277V-277/208V Aluminum
Essential Electric Supply
25% off
$1,286.77
Hammond Power Solutions C1F007HRS - Transformer 7.5Kva 480/277V-277/208V Aluminum
Essential Electric Supply
$113.62
Keystone KTAT-375-480-277 /SF-IP Step Down Transformer 480V To 277V
Light Bulb Surplus
$113.62
Keystone KTAT-375-480-277 /SF-IP Step Down Transformer 480V To 277V
Light Bulb Surplus
$60.27
Maxlite 250W Step Down Transformer, 480V To 277V (Maxlite SDT480-277-4)
HomElectrical
$60.27
Maxlite 250W Step Down Transformer, 480V To 277V (Maxlite SDT480-277-4)
HomElectrical
$43.53
GE GETR480/277-250W 480V Step Down Transformer (74119)
Lighting Supply
4
$43.53
GE GETR480/277-250W 480V Step Down Transformer (74119)
Lighting Supply
$30.09
Wabash Transformers: CL85R14-X-HXF - Class 2 Non-Inherently Energy Limited, 85VA, 277/380/415/480V To 24V, Foot Mount - Horizontal Leads, UL
PowerVolt Group
$30.09
Wabash Transformers: CL85R14-X-HXF - Class 2 Non-Inherently Energy Limited, 85VA, 277/380/415/480V To 24V, Foot Mount - Horizontal Leads, UL
PowerVolt Group
$3,375.78
DAYTON Dry Type Power Distribution Transformer: 277V AC/480V AC Wye, 2, Wall, 150°C Temp Rise Model: 44YV20
Grainger
$3,375.78
DAYTON Dry Type Power Distribution Transformer: 277V AC/480V AC Wye, 2, Wall, 150°C Temp Rise Model: 44YV20
Grainger
$80.69
$104.90
Keystone KTAT-250-480-277 250 Watt Step Down Transformer
Bulbs Depot
1
23% off
$80.69
$104.90
Keystone KTAT-250-480-277 250 Watt Step Down Transformer
Bulbs Depot
$4,424.06
Hammond Power Solutions FC2A0030BK - 3-Phase Transformer 30Kva 208D-480Y/277
Essential Electric Supply
$4,424.06
Hammond Power Solutions FC2A0030BK - 3-Phase Transformer 30Kva 208D-480Y/277
Essential Electric Supply
$3,129.86
Acme Electric Dry Type Power Distribution Transformer: 208V AC, 277V AC/480V AC Wye, 3R, Floor Model: T3793671S
Grainger
$3,129.86
Acme Electric Dry Type Power Distribution Transformer: 208V AC, 277V AC/480V AC Wye, 3R, Floor Model: T3793671S
Grainger
$895.48
1-Phase Buck/Boost Step-Down Transformer - 480V Primary - 277V Secondary - 2.7 Amps - 50/60Hz
Larson Electronics
$895.48
1-Phase Buck/Boost Step-Down Transformer - 480V Primary - 277V Secondary - 2.7 Amps - 50/60Hz
Larson Electronics
$1,877.26
3 Kva Isolation Transformer - 480V Delta Primary - 480Y/277 Wye-N Secondary - 50/60Hz - Fully Potted
Larson Electronics
$1,877.26
3 Kva Isolation Transformer - 480V Delta Primary - 480Y/277 Wye-N Secondary - 50/60Hz - Fully Potted
Larson Electronics
$78.68
Buyrite Electric Keystone KTAT-250-480-277 /A-DP High Voltage Step Down Transformer, 250W Max, 480V/277V
Shop
1
$78.68
Buyrite Electric Keystone KTAT-250-480-277 /A-DP High Voltage Step Down Transformer, 250W Max, 480V/277V
Shop
$6,430.50
Acme Electric Dry Type Power Distribution Transformer: 480V AC, 277V AC/480V AC Wye, 3R, Floor Model: T3075K0053B
Grainger
$6,430.50
Acme Electric Dry Type Power Distribution Transformer: 480V AC, 277V AC/480V AC Wye, 3R, Floor Model: T3075K0053B
Grainger
$50.18
Keystone KTAT-150-480-277-OC-CP High Voltage Step Down Transformer, Open Core, Wattage 150W Max, Voltage 480V/277V BY BUYRITE ELECTRIC
BuyRite Electric
$50.18
Keystone KTAT-150-480-277-OC-CP High Voltage Step Down Transformer, Open Core, Wattage 150W Max, Voltage 480V/277V BY BUYRITE ELECTRIC
BuyRite Electric
$198.11
Hammond 0.50Kva Fortress Encapsulated Transformer, 1 Ph, 277V/480V (Hammond C1FC50HR)
HomElectrical
$198.11
Hammond 0.50Kva Fortress Encapsulated Transformer, 1 Ph, 277V/480V (Hammond C1FC50HR)
HomElectrical
$19,850.24
SG3A0300KK - Hammond Power Solutions 300Kva 3-Phase Dry Type Transformer 480 Delta To 480Y/277V NEMA 3R Aluminum Wound
Essential Electric Supply
31% off
$19,850.24
SG3A0300KK - Hammond Power Solutions 300Kva 3-Phase Dry Type Transformer 480 Delta To 480Y/277V NEMA 3R Aluminum Wound
Essential Electric Supply
$60.01
Johnson Controls Y65F42-0 277/480V Primary, 24V Secondary Class 2 Transformer | Supplyhouse.Com
SupplyHouse.com
$60.01
Johnson Controls Y65F42-0 277/480V Primary, 24V Secondary Class 2 Transformer | Supplyhouse.Com
SupplyHouse.com
$28.72
Keystone KTAT-150-480-277-OC Step Down Transformer 480V To 277V
Light Bulb Surplus
$28.72
Keystone KTAT-150-480-277-OC Step Down Transformer 480V To 277V
Light Bulb Surplus
$66.42
Functional Devices TR50VA008 Transformer, 50Va, 480/277/240/208 To 120 Vac, Circuit Breaker, Foot And Dual Threaded Hub Mount
Amazon.com
34
Free shipping
$66.42
Functional Devices TR50VA008 Transformer, 50Va, 480/277/240/208 To 120 Vac, Circuit Breaker, Foot And Dual Threaded Hub Mount
Amazon.com
$50.18
Buyrite Electric Keystone KTAT-150-480-277-OC-CP High Voltage Step Down Transformer, Open Core, Wattage 150W Max, Voltage 480V/277V
Shop
$50.18
Buyrite Electric Keystone KTAT-150-480-277-OC-CP High Voltage Step Down Transformer, Open Core, Wattage 150W Max, Voltage 480V/277V
Shop
$2,000.00
45 Kva 480 Primary, 480Y/277 Secondary Square D EE45T1814HBCU, Sorgel Transformer, 54.1 Amp, 2-3R
Surplus Record
$2,000.00
45 Kva 480 Primary, 480Y/277 Secondary Square D EE45T1814HBCU, Sorgel Transformer, 54.1 Amp, 2-3R
Surplus Record
$3,977.99
LVGP General Purpose Transformer, 30 Kva, NEMA 2, 277/480V, 432/444/456/468/480/492/504V, G030K5QQ2A04
Zoro.com
$3,977.99
LVGP General Purpose Transformer, 30 Kva, NEMA 2, 277/480V, 432/444/456/468/480/492/504V, G030K5QQ2A04
Zoro.com
$4,999.90
Hammond Power Solutions DM075KKS - 3-Phase Transformer 75Kva 480D-480Y/277V
Essential Electric Supply
$4,999.90
Hammond Power Solutions DM075KKS - 3-Phase Transformer 75Kva 480D-480Y/277V
Essential Electric Supply
$46,627.93
Evergy 000096013092, 75 KVA Pad Mount Transformer, 13200V Delta Pri., 480Y/277 Secondary Voltage Sec
Larson Electronics
$46,627.93
Evergy 000096013092, 75 KVA Pad Mount Transformer, 13200V Delta Pri., 480Y/277 Secondary Voltage Sec
Larson Electronics
$3,500.00
75 KVA 480 Primary, 480Y/277 Secondary, Hammond Sentinel, Transformer Switchboard, W/ Siemens Panelboards, 250A, 2010
Surplus Record
$3,500.00
75 KVA 480 Primary, 480Y/277 Secondary, Hammond Sentinel, Transformer Switchboard, W/ Siemens Panelboards, 250A, 2010
Surplus Record
$44.66
Keystone High Voltage Step Down Transformer - 250W Max - 480V/277V - KTAT-250-480-277-A-DP
Pro Lighting
$44.66
Keystone High Voltage Step Down Transformer - 250W Max - 480V/277V - KTAT-250-480-277-A-DP
Pro Lighting
$4,171.99
DAYTON General Purpose Transformer, 30 Kva, NEMA 2, 277/480V AC, 208V AC, 44YV16
Zoro.com
$4,171.99
DAYTON General Purpose Transformer, 30 Kva, NEMA 2, 277/480V AC, 208V AC, 44YV16
Zoro.com
$41.50
Functional Devices TR50VA008 Transformer, 50VA, 480/277/240/208 To 120 Vac, Circuit Breaker, Foot And Dual Threaded Hub Mount | Supplyhouse.Com
SupplyHouse.com
1
$41.50
Functional Devices TR50VA008 Transformer, 50VA, 480/277/240/208 To 120 Vac, Circuit Breaker, Foot And Dual Threaded Hub Mount | Supplyhouse.Com
SupplyHouse.com
How 3 Phase Transformers Work – why we need them
24:24
Find in video from 05:00Step Up and Substation Transformers
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2M viewsJun 11, 2024
YouTubeThe Engineering Mindset
Understanding 480Y/277 Volt 3-Phase Systems Explained
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Understanding 480Y/277 Volt 3-Phase Systems Explained
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93 views5 months ago
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YouTubeFreddie America
Step-up Transformer Installed (75 kVA 240 D - 480 Y 277)
1:14
Step-up Transformer Installed (75 kVA 240 D - 480 Y 277)
296K views9 months ago
YouTubeMaddox Transformer
Understanding 480Y/277 Volt Three-Phase Four-Wire Electrical Systems
13:58
Understanding 480Y/277 Volt Three-Phase Four-Wire Electrical Systems
736 viewsApr 12, 2025
YouTubeBESA Research
Converting 480 Delta to 480/277 Wye Power
15:33
Converting 480 Delta to 480/277 Wye Power
188 views4 months ago
YouTubeBESA Research
16:17
Converting 480 Volts to 277 Volts for Lighting
372 viewsApr 19, 2025
YouTubeBESA Research
0:15
Installation of stepdown transformer 277/480v to 115/230v 3phase testi…
298 views3 weeks ago
YouTubeChristopher Abdool
9:51
277/480 Volt Wiring Colors and NEC Requirements
80 views8 months ago
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397.8K viewsSep 19, 2024
YouTubeHendy The Sparky
13:23
Transformer Panel Purpose Stepping Down Voltage Explained
13 views3 months ago
YouTubeBESA Research
16:51
480Y/277 Volt Panel Voltage Readings Explained
168 viewsApr 15, 2025
YouTubeBESA Research
0:48
167 KVA Pole Mount Transformer - 4160GrdY/2400 Grounded Wye Pri…
64 views6 months ago
YouTubeLarson Electronics
2:07
3 MVA Pad Mount Transformer - 12470V Delta Primary, 480Y/277 W…
120 viewsFeb 26, 2025
YouTubeLarson Electronics
9:07
Correct Phase Color Coding for 277/480 Volt 3-Phase Systems
215 views8 months ago
YouTubeBESA Research
17:04
Generator Issues Troubleshooting 480/277 Volt System Explained
24 views6 months ago
YouTubeBESA Research
12:52
Load Balancing on 3 Phase 480V Systems Explained
19 views4 months ago
YouTubeBESA Research
1:30
Pad Mount Transformer - 12000V & 4160V Delta Primary, 480Y/277 Wy…
39 viewsSep 12, 2024
YouTubeLarson Electronics
1:23
75 kVA 3PH DOE Transformer, 208V Delta Primary, 480Y/277 Wye-N Se…
50 views8 months ago
YouTubeLarson Electronics
0:54
Pole Mount Distribution Transformer - 167 KVA 7200/12470Y Grounde…
92 viewsFeb 15, 2024
YouTubeLarson Electronics
1:55
3.75 MVA Pad Mount Transformer - 34500V Delta Primary, 480Y/277 W…
14 views2 months ago
YouTubeLarson Electronics
3:19
480 Volts to 240 or 220 Volts Explained
422 viewsApr 12, 2025
YouTubeBESA Research
0:57
30 kVA 3PH DOE Transformer, 480V Delta Primary - Larson Electronics
49 views7 months ago
YouTubeLarson Electronics
18:44
How to Install a Transformer - Let's Break Into It!
96.2K viewsSep 9, 2024
YouTubeElectrician U
19:42
480 Volt Transformer Tap Setting Guide Explained
283 viewsApr 10, 2025
YouTubeBESA Research
13:02
Grounding 480 Volt to 120 Volt Transformers Explained
296 views9 months ago
YouTubeBESA Research
0:21
1 kVA Isolation Transformer - 480V AC Primary - 277V Secondary - NE…
1 month ago
YouTubeLarson Electronics Product Testing
1:21
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28 views2 months ago
YouTubeLarson Electronics
19:59
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25 views5 months ago
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See more videos
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Shop 277 480v transformer

Sponsored
About our ads
$1,709.75
3-Phase 480V Delta - 480 Y 277 Isolation Transformer 15 Kva | New
Maddox
$1,709.75
3-Phase 480V Delta - 480 Y 277 Isolation Transformer 15 Kva | New
Maddox
$4,571.88
3-Phase 600V Delta - 480 Y 277 75 Kva Transformer
Maddox
$4,571.88
3-Phase 600V Delta - 480 Y 277 75 Kva Transformer
Maddox
$7,624.75
3-Phase 480V Delta - 480 Y 277 Isolation Transformer 150 Kva | New
Maddox
$7,624.75
3-Phase 480V Delta - 480 Y 277 Isolation Transformer 150 Kva | New
Maddox
$58.07
Keystone KTAT-250-480-277 /A Step Down Transformer 480V To 277V
Light Bulb Surplus
1
$58.07
Keystone KTAT-250-480-277 /A Step Down Transformer 480V To 277V
Light Bulb Surplus
$15,908.00
Step Up Transformer 300 Kva 3-Phase 240V Delta - 480 Y 277 Step Up Transformer
Maddox
$15,908.00
Step Up Transformer 300 Kva 3-Phase 240V Delta - 480 Y 277 Step Up Transformer
Maddox
$578.95
Marley Engineered Products 490015024 480/277 500VA TRANSFORMER
1877ForParts.com
$578.95
Marley Engineered Products 490015024 480/277 500VA TRANSFORMER
1877ForParts.com
$66.77
Keystone KTAT-375-480-277 /A Step Down Transformer 480V To 277V
Light Bulb Surplus
$66.77
Keystone KTAT-375-480-277 /A Step Down Transformer 480V To 277V
Light Bulb Surplus
$42.31
Globalux 250W Transformer MV To HV, 347V-480V (Globalux GETR-480/277-250W)
HomElectrical
$42.31
Globalux 250W Transformer MV To HV, 347V-480V (Globalux GETR-480/277-250W)
HomElectrical
$1,286.77
Hammond Power Solutions C1F007HRS - Transformer 7.5Kva 480/277V-277/208V Aluminum
Essential Electric Supply
25% off
$1,286.77
Hammond Power Solutions C1F007HRS - Transformer 7.5Kva 480/277V-277/208V Aluminum
Essential Electric Supply
$113.62
Keystone KTAT-375-480-277 /SF-IP Step Down Transformer 480V To 277V
Light Bulb Surplus
$113.62
Keystone KTAT-375-480-277 /SF-IP Step Down Transformer 480V To 277V
Light Bulb Surplus
$60.27
Maxlite 250W Step Down Transformer, 480V To 277V (Maxlite SDT480-277-4)
HomElectrical
$60.27
Maxlite 250W Step Down Transformer, 480V To 277V (Maxlite SDT480-277-4)
HomElectrical
$43.53
GE GETR480/277-250W 480V Step Down Transformer (74119)
Lighting Supply
4
$43.53
GE GETR480/277-250W 480V Step Down Transformer (74119)
Lighting Supply
$30.09
Wabash Transformers: CL85R14-X-HXF - Class 2 Non-Inherently Energy Limited, 85VA, 277/380/415/480V To 24V, Foot Mount - Horizontal Leads, UL
PowerVolt Group
$30.09
Wabash Transformers: CL85R14-X-HXF - Class 2 Non-Inherently Energy Limited, 85VA, 277/380/415/480V To 24V, Foot Mount - Horizontal Leads, UL
PowerVolt Group
$3,375.78
DAYTON Dry Type Power Distribution Transformer: 277V AC/480V AC Wye, 2, Wall, 150°C Temp Rise Model: 44YV20
Grainger
$3,375.78
DAYTON Dry Type Power Distribution Transformer: 277V AC/480V AC Wye, 2, Wall, 150°C Temp Rise Model: 44YV20
Grainger
$80.69
$104.90
Keystone KTAT-250-480-277 250 Watt Step Down Transformer
Bulbs Depot
1
23% off
$80.69
$104.90
Keystone KTAT-250-480-277 250 Watt Step Down Transformer
Bulbs Depot
$4,424.06
Hammond Power Solutions FC2A0030BK - 3-Phase Transformer 30Kva 208D-480Y/277
Essential Electric Supply
$4,424.06
Hammond Power Solutions FC2A0030BK - 3-Phase Transformer 30Kva 208D-480Y/277
Essential Electric Supply
$3,129.86
Acme Electric Dry Type Power Distribution Transformer: 208V AC, 277V AC/480V AC Wye, 3R, Floor Model: T3793671S
Grainger
$3,129.86
Acme Electric Dry Type Power Distribution Transformer: 208V AC, 277V AC/480V AC Wye, 3R, Floor Model: T3793671S
Grainger
$895.48
1-Phase Buck/Boost Step-Down Transformer - 480V Primary - 277V Secondary - 2.7 Amps - 50/60Hz
Larson Electronics
$895.48
1-Phase Buck/Boost Step-Down Transformer - 480V Primary - 277V Secondary - 2.7 Amps - 50/60Hz
Larson Electronics