Variacs
 
Staco & General Radio Motorized Variacs

Superior Stabiline Voltage Regulator
220 / 240v - 230v Nominal - 74 kva

(TV) EMT6270D8
Superior Stabiline voltage regulator. 3 phase. Original spare for Harris transmitter, P/N: 750-2938-000. We are uncertain of the date of manufacture but suspect the 1980's. New, never used.

Input: 196 - 225v, 3 phase @ 50/60 Hz
Output: Settable 220 / 240v (230v nominal)
Dimensions (Actual): 27" x 31" x 45"H
Dimensions (Shipping): 32" x 37" x 49"H

$5,500 each

Staco Voltage Regulator
208Y / 120v @ 125 amps - 45 kva

(TV) MVR-20WC1Y045
Staco voltage regulator. 3 phase. Like new. Unit was purchased and replaced with larger unit after hours of use. Manufacturer's Model Number: MVR20WC1Y045.

Input: 166 - 299v, 3 phase @ 60 Hz
Output: 208Y / 120v @ 125 amps
Dimensions: 36" x 25" x 53"H

$6,995 each

 

Motorized Variac
3.5 Amps / 1 Phase / 120 vac

Manufacturer's Tag

(TV) 620783-1
Navy surplus motorized variac. Reversible control motor. 3.5 amps, 120 vac, 1 phase (2 windings, 1 for each 240v leg). NSN: 5950-01-057-5612. New in the box!!

Input: 480v, 1 phase, 50/60 Hz
Output: 0 - 480v, 3.5 amps
Dimensions: 16"L x 7-1/2" x 7-1/2"

 
 
$249 each
 

Motorized Variac
0 - 240v @ 8.5 amps

(TV) 9T92A3052
Motorized variac. Unit removed from service in excellent condition. Variac has been load tested. Motor assembly may or may NOT be functional. Variac is 5" diameter.

Input: 120v or 240v
Output: 0 - 240v @ 8.5 amps
Dimensions: 7-3/4"H x 8-1/4"W
x 9-1/2" deep

 

Powerstat Variac
0 - 240v @ 9 amps

(TV) 236B-1069B
Powerstat variac. Unit removed from service in excellent condition. Variac has been load tested. Motor assembly may or may NOT be functional. Variac is 6-1/2" diameter and measures 1" from metal screen.

Input: 240v
Output: 0 - 240v @ 9 amps, 50/60 Hz
Dimensions: 8-1/4"H x 8-1/8"W
x 10" deep

$165 each
 
$165 each

Staco Heavy Duty Variac
0 - 240v @ 10 amps

(TV) 033-6565
Staco heavy duty motorized variac. 12 vdc motor control. Unit removed from service in excellent condition. Variac has been load tested. Motor assembly may or may NOT be functional. Variac is 6-3/4" diameter.

Input: 240v
Output: 0 - 240v @ 10 amps
Dimensions: 7-1/8"H x 8"W x
11" deep

 

Staco Motorized Variac
0 - 240v @ 10 amps

(TV) 033-7015
Staco motorized variac. Unit removed from service in excellent condition. Variac has been load tested. Motor assembly may or may NOT be functional. Variac is 6-3/4" diameter and measures 1" from metal screen.

Input: 240v
Output: 0 - 240v @ 10 amps,
1.4 kva, 50/60 Hz
Dimensions: 8-1/4"H x 8-1/4"W x
10-1/8" deep

$175 each - $162.50 (3+), $155 (10+)
 
$175 each

General Radio Variac
0 - 120 vac @ 6 amps

(TV) M5BB
General Radio motorized variac. 350 / 450 Hz. Motor control 115 vac, 60 Hz.

Output: 0 - 120 vac @ 6 amps
Dimensions: 4-1/2" x 4-1/2" x 8"L

 

Induction Voltage Regulator
115 vac - 16.2 amps Max

Adjust Line from 80 vac - 150 vac
(TV) 7379484
General Electric induction voltage regulator. 115 vac, ±30.4%, 60 Hz, 16.2 amps max. Can adjust manually with knob or electrically with 115 volt drive motor. 115 vac. Removed from rotary spark gap. 9" x 10" x 23" high. Weighs 132 pounds.
$135 each
 
$350 each

Motor Driven Variac
0 - 120v @ 10 amps

(TV) W8L
General Radio motor driven variac. Bodine motor 115 vac, 60Hz, 9 watts. Reversible too! Used, removed but in excellent condition.

Output: 0 - 120v @ 10 amps, 60 Hz
Dimensions: 4-1/2" x 10" x 5"H

 

Motor Driven Variac
0 - 120v @ 10 amps

(TV) W8L-KNB
General Radio motor driven variac. Same as left except knob and dial are on opposite end for manual setting of variac.

$195 each
 
$225 each

Staco Motorized Variac
117.6 kva

(TV) MV60M6020E-12PSS
Staco motorized variac. 60 seconds for full travel minimum - maximum voltage. Digital control panel. 50/60 Hz. Includes manual. Motor freight only. Only one remaining in stock. Brand new!!

Input: 480v Single Phase
Output: 0 - 560v @ 210 amps

 

Staco Automatic
Voltage Regulator

(EQP) AVR12057BR
BRAND NEW IN THE BOX!! Staco AVR12057BR smooths out fluxuating, unstable voltage. It is a single phase line voltage regulator comprised of a motor driven variable transformer, a buck-boost fixed ratio transformer, a Solid State electronic control unit and associated front panel controls and voltmeter which displays the regulated output voltage. The terminal block for input and output connections is mounted on the back of the unit next to the ground lug and fuse.

Frequency range: 47-63 Hz
Input volts: 95 - 135 vac
• Output voltage in fully adjustable and settable to ANY voltage between 110 - 120 vac! Nominal output is 115 volts
Output amps: 57 amps, 6.6 kva
• Accuracy is 0.75%
• Correction Rate is 0.075 sec/volt
• Meter Scale is 0 - 150 volts. Complete with installation and operating instructions
• 10-1/2" high. Fits 19" rack
• OEM over $3,000

$11,950
 
$1,125 each