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Power Transformers

Power Transformers

Power transformers are essential components in electrical circuits, providing the necessary voltage transformation for various applications. Here are some key offerings in this category.

Heavy Duty Industrial-Grade Transformer

GB5226 GB5226

Heavy industrial-grade Transformer, designed for operation on 220V, 50-60 Hz. Because of the the 50 Hz rating, operation on 240 VAC 60 Hz will yield 20% increase in VA rating (450 VA), and 9% increase in terminal voltage. Using Transformer in Voltage Doubler circuit will yield 600 VDC @ 0.5A on 120 VAC, and 1200 VDC @ 0.4A on 240 VAC (ICAS). Ideal for sweep tube, or three 811A amplifier. Quality construction includes barrier block and cover.

Size: 4 3/4”W x 4 1/4”D x 4 3/4” H

Shipping Weight: 12.5 lbs.

Part Number: GB5226

Power / Filament Transformer

Excellent Quality.
Mfg. by MagneTek Triad

F-271U Power Transformer

• Primary 115V 50/60 Hz

• Secondary 40 VCT @ 2A

Size: 2 3/4” x 2 1/2” x 3 3/8”

Shipping Weight: 4 lbs.

Part Number: F-271U

Power / Filament Transformer

Excellent Quality.
Mfg. by MagneTek Triad

F-41X Power Transformer

• Primary 115V 60 Hz

• Secondary 25.2 VCT @ 2A

Size: 4” x 2 1/4” x 2 5/8”

Shipping Weight: 3 lbs.

Part Number: F-41X

Power / Filament Transformer

Excellent Quality.
Mfg. by MagneTek Triad

F-255X Transformer

• Primary 115V 60 Hz

• Secondary 20 VCT @ 2A

Size: 4” x 2 1/4” x 2 5/8”

Shipping Weight: 3 lbs.

Part Number: F-255X

Isolation Transformer

Mfg. by Triad-Ultrad

N73A Power Transformer

Size: 3 7/8 ” x 3 1/4” x 3 3/4 ”

Shipping Weight: 6.2 lbs.

Part Number: N-73A

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TFIRX02YY Freed 31364 Power Transformer 120v 60Hz (Pull)
TFIRX02YY Freed 31364 Power Transformer 120v 60Hz (Pull)
Made in the USA

In Stock

$89.90


  • Primary: 1-2-3-4: 537V

  • Secondary 5-6-7: 714v (1110v CT) 1.3A

  • Altitude Mx: 10,000 Feet


Used * No longer available for export
MFR: Freed Transformer Company, Inc.
SKU: 31364-P

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4-74 NWL Model 23030 Power Transformer (Pull)
4-74 NWL Model 23030 Power Transformer (Pull)

In Stock

$129.91


  • Primary: 1.125KVA / 198V - 228V / 5.7-5 A

  • Secondary: 1.25KVA / 2x7.5V / 2x75A


Used * Pulled from working equipment
MFR: Noinelfer Winding Laboratories
SKU: 4-74-P

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L1014 / UL-LV Tokyo Hy-Power Transformer (Pull)
L1014 / UL-LV Tokyo Hy-Power Transformer (Pull)

In Stock

$69.91


  • Primary: TM2 / TM1 / 200v / 0v / E

  • Secondary: 11v C.T. / 0v / 85v / 12v / 0v


Used * Pulled from working equipment
MFR: Tokyo Hy-Power
SKU: L1014/UL-LV-P

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221 Statco Energy Products VARIAC® Variable Transformer (Pull)
221 Statco Energy Products VARIAC® Variable Transformer (Pull)
Made in the USA

In Stock

$129.90

Type: 221 033-0506
Input:120vac


Clean Used * No longer available for export
MFR: Statco Energy Products Company
SKU: 221-STATCO-P

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ECA5027 HV Swinging Choke Transformer, 15-8 Henry, 1.5A Removed from Henry 3000D
ECA5027 HV Swinging Choke Transformer, 15-8 Henry, 1.5A Removed from Henry 3000D
Made in the USA

In Stock

$264.90

ECA5027 Swinging Choke Transformer, 15-8 Henry, 1.5A Continuous (Removed from Henry 3000D), MFR: ECA


This High Voltage Choke Transformer was removed from a working Henry 3000D RF Power Generator Amplifier. 


It is in like-new, excellent condtion


Size: 5.5" Long x 6-1/2" High x 8" wide, Weight: 46 lbs


Limited Quantity Available  No longer available for Export


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104415 Hammond Control Transformer 1kv 240x480 (NOS)
104415 Hammond Control Transformer 1kv 240x480 (NOS)

In Stock

$129.91

New Old Stock * No longer available for export
MFR: Hammond
SKU: 104415

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F-29U Triad Filament Transformer 115v 50/60 Hz
F-29U Triad Filament Transformer 115v 50/60 Hz

In Stock

$45.91


  • Voltage - Primary: 115V

  • Voltage - Secondary (Full Load): 10V, 11V, 12V

  • Current - Output (Max): 11A

  • Power - Max: 132VA

  • Voltage - Isolation: 3000Vrms

  • Weight: 6.5 lbs (2.9 kg)


MFR: Triad Magnetics
SKU: F-29U


See Data Sheet

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ECA1082 Step Down Transformer, 240vac Primary, 120vac Secondary, 500va Removed from Henry 3000D
ECA1082 Step Down Transformer, 240vac Primary, 120vac Secondary, 500va Removed from Henry 3000D
Made in the USA

In Stock

Regular Price: $194.90

Special Price $179.95

ECA1082 Step Down Transformer, 240vac Primary, 120vac Secondary, 500va MFR: ECA - Anaheim


This transformer was removed from a working Henry 3000D RF Power Generator amplifier.  In excellent condtion - Like New.


Size: 4-3/8" Long x 5-3/8" High x 5" wide, Weight: 17.45 lbs


Made in USA, Limited Quantity Available, Not Available for Export


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ECA1102 Filament Transformer 200-240vac Primary, 7.5vac 52A pulled from a Henry 3000D Amplifier
ECA1102 Filament Transformer 200-240vac Primary, 7.5vac 52A pulled from a Henry 3000D Amplifier
Made in the USA

In Stock

$294.90

ECA1102 Filament Transformer 200-240vac Primary, 7.5vac 52A pulled from a Henry 3000D Amplifier
This transformer was removed from a working Henry 3000D Amplifier from the Henry Radio Industrial Division.  
Size: 4-3/8" Long x 5 1/4" High x 4" wide, Weight: 13.85 lbs
Excellent condtion * No longer available for export
SKU: ECA1102

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F-255X Triad Magnetics Transformer 115vac 20 vct, 2 amp (NOS)
F-255X Triad Magnetics Transformer 115vac 20 vct, 2 amp (NOS)

In Stock

$21.91

Electrical Specifications (@25°C)



  • Maximum Power: 40.0 VA

  • Primary: 115V 50/60 Hz

  • Secondary: 20.0VCT @ 2.00 Amps

  • Voltage Regulation: 10 % TYP @ full load to no load

  • Temperature Rise: 35C TYP (45C MAX allowed)

  • Size: Height: 2-9/16" x Width 4" x Depth 2-1/4"

  • Weight: 2.5 lbs


New Old Stock * No longer available for export
MFR: Triad Magnetics (Magnatek)
SKU: F-255X

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