High Voltage Transformers - 1500v +

General Electric "Pole Pig"
120 / 240v - 25 kva

(TP) G909695-67Y
General Electric "Pole Pig". Single phase. Oil filled, most likely PCB. Leftover spares from Gates Radio. P/N: 472-0845-00. Appears to be new and unused. Just shelf worn. Many experimenters run pole pigs in reverse. That is to apply 120v or 240v to the primary to yield a high voltage output. Be very careful with high voltages. Surplus Sales is not responsible for the use or misuse of any dangerous high voltage source such as the transformer exhibited here.

• Primary: 12,540v / 14,400v / 24,940v GRPY
• Secondary: 120 / 240v
• Dimensions: 18"D x 39"H (including insulators)
 

Power Transformer
7200v @ 8.1 amps / 5100v nominal @ 5.73 amps

(TP) 2B31
Aydin Energy Systems power transformer. Made for Gates transmitter. Possibly used but in excellent condition. Catalog #: 2B31. Harris P/N: 472-0669-000. Harris Spec: 815-0210-001.

• Primary: 380 / 430 / 480v @ ±5% taps, 50/60 Hz, 3 phase
• Secondary: 7200v @ 8.1 amps, 5100v nominal @ 5.73 amps by primary taps
• Dimensions: 40" x 32" x 41"H
$1,250 each
 
$2,500

High Voltage Transformer
Primary: 400 vac @ 60 Hz

(TP) 845309-2
Amp high voltage transformer. 3 phase. Hermetically sealed, electrostatically shielded. Extreme wattage. Mounts with six (6) #8 bottom studs. Removed from new, unused equipment. Mfg. P/N: 557-21200-1603.

• Primary: 400 vac, 3 phase @ 60 Hz
• Secondary: Unknown
• Dimensions: 7-1/2" x 9-1/2" x 6-1/2"H
 

3 Phase, High Voltage
Rectifier Board
(TP) 557-21230
3 phase, high voltage rectifier board. Includes 6 ERTI rectifiers, 2 legs of 240k, 2 watt carbon composition resistors for series of 1.875G ohm each. This board is compatible with, and was removed from NEW, 10 GHz Magnetron transmitter power supply with transformer (TP) 845309-2. (left). Measures 7-1/2" square.
$475 each
 
$250 each

Prototype Transformer
1600 vdc @ 500 ma

(TP) T4900
Prototype transformer. Hermetically sealed. 1/4" studs and terminals on bottom. Used, excellent condition.

• Primary: 115 / 230v, 50 / 60 Hz
• Secondary: 1600 vdc @ 500 ma (when F.W. bridge rectified with choke input
• Dimensions: 7-3/8" x 7-3/8" x 5" high
 

Plate Transformer
2500v / 2000v ct @ 0.8 amp

(TP) 8445491-2
Kenyon Transformer Co. plate transformer. Used, clean. Alt. P/N: S-502122.

• Primary: 208 / 240v, +11v, -11v
• Secondary: 2500v / 2000v c.t. @ 0.8 amp
• Dimensions: 8" x 9" base, 10" high
• Weight: 83 lbs net
$239 each
 
$499 each

Commercial Grade Transformer
3500 / 3000 / 2400 / 0 / 2400 / 3000 / 3500 @ 300 maDC

(TP) CG307
UTC commercial grade transformer.

• Primary: 105 / 115 / 210 / 220 / 230
• Secondary: 3500 / 3000 / 2400 / 0 / 2400 / 3000 / 3500 @ 300 maDC
• Dimensions: 8-1/2" x 14-1/2" x 10-3/8"H
• Weight: 90 lbs
 

Plate & Filament Transformer
4200v, 1 ma / 2.5, 2 amp / 6.3v, 0.6 amp

(TP) 1000A-421
Raytheon plate and filament transformer. Hermetically sealed. 5"H x 6-3/4"L x 4-5/8"W.

Primary
• 115v @ 60Hz
• 0.2 amps in 1,780v hi-pot test

Secondary
• 4,200v, 1ma - Single terminal to ground
• 2.5v, 2 amps, 12kv test
• 6.3v, 0.6 amps, 4,600v test
$795 each
 
$150 each

Raytheon Transformer
6300v @ 4 ma, 1.25v @ 250 ma
 

(TP) 292-1722G1-A
Raytheon transformer. One end of 6300v is internally grounded. NSN: 5950-00-647-5303.

• Primary: 115 vac @ 60 Hz
• Secondary: 6300v @ 4 ma,
1.25v @ 250 ma
• Dimensions: 4.125" x 3.625" x 5.3"H
 

Transformer
Input: 117v @ 60 Hz
Output: 12 kv @ 73 ma C.T.

(TP) H5683
Electran transformer. Hermetically sealed. 3/8" corner studs. NSN: 5950-00-645-1535.

• Input: 117v @ 60 Hz
• Output: 12 kv @ 73 ma C.T.
• Dimensions: 6" x 4-3/4" x 5-3/8"H
*** SOLD OUT ***
 
 
*** SOLD OUT ***
 

Plate Transformer
3 Phase - 9 kva
230v Primary / 3 Phase / 50/60 Hz - 15kv test

(TP) 674N275
Chicago Transformer for Collins Radio. 3 phase, 9 kva. 230v primary, 3 phase, 50/60 Hz, 15 kv test. Used / removed.

• Output: 1750 volts @ 1.5 amps
• Dimensions: 11-1/4" x 24-3/4" x 25"H
• Weight: ~ 400 lbs
 

Elma Engineering Transformer
11.1 kv - 8 kva

(TP) 5272
Los Alamos Lab surplus. Elma Engineering transformer. 3 phase, 220 volt input. 30 kv insulation. Soft rubber insulation on leads cracked at epoxy housing. Recommend placement of terminal posts on housing to remedy. 11-1/2" x 23" x 17".
$795 each
 
$950 each

Magnetran Plate Transformer
5800v / 3350v / 45 kva
Transformer Cabinet Inside Top of Transformer
(TP) 1414-B-02
Magnetran plate transformer as removed from operating 20kw RCA transmitters running a pair of 4CX10,000D's. Each transformer has it's own cabinet (21" x 33" x 39"H). Very heavy! 3 phase primary 208v - 225v - 240v. Lots of life left. All checks out well. Shipping weight = 1,100 lbs.
 

High Reactance Transformer
22.8 kv
(TP) 7384160
High reactance transformer. 2.18 kva, 60 Hz. Input: 11,200 volts, 135 Henries. Output peak: 22.8 kv. General Electric type Y-3502-A, catalog #8318065G-1. 11-1/4" x 21" x 25" high. Weighs around 500 lbs. Removed from new rotary spark gap.
$400 each
 
$950

SR-110 Power Supply
2500v to 3000v
(PS) AR-150A
Brand new Scientific Radio Systems Power Supply for the SR-110 Kilowatt Amplifier. Supplies 1 amp continuous. 19" wide (rack mount), very heavy. Get a load of the huge BASLER hypersil transformer. Oil capacitor not included. Sold separately or with RF decks. Multi-tapped power transformer matches any input from 105, 115, 125, 210, 230 & 250 vac.
 

Hypersil Plate Transformer
2500 vac @ 1 amp

(TP) 110813
Basler Hypersil plate transformer. NOTE: This transformer is included in the SR-110 power supply shown left.

• Primary: 105 / 115 / 125 / 210 /
230 / 250 vac
• Rated Output: 2500 vac @ 1 amp continuously in a circuit , once rectified
• Dimensions: 8-3/4" x 9-1/4" x 6-1/4"H
• Weight: 67 lbs
$795 each
 
*** SOLD OUT ***
 

Plate Transformer
1670 vct @ 600 ma
220 / 230 / 240v primary - 3 kv test
(TP) 43076
Removed from Wilcox transmitters, more fine transformers waiting for a fresh assignment. 6" x 6-1/2" x 9" high (w/ insulators). We will include a copy of the Wilcox circuit in which the transformer was used.
 

Plate Transformer
1st Secondary: 2200 / 2800 / 3000 / 3300 vac @ 1 amp
2nd Secondary: 860v @ 0.2 amp

(TP) 600086-512-001
Electronic Transformers Corp. plate transformer. Dual primaries. 50/60 Hz on primaries. New in wood crates.

• Dual primaries: 105 / 115 / 125 vac
• Series connect both primaries for: 210 / 230 / 250 vac
• 1st secondary: 2200 / 2800 / 3000 /
3300 vac @ 1 amp
• 2nd secondary: 860v @ 0.2 amp
• Dimensions: 8" x 8" x 9"
• Weight: 78 lbs
$275 each
 
$675 each
 
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