Auto-Transformers

While our website showcases a large assortment of our products, it does not reflect the complete inventory of products currently available. For real-time availability and to ensure we can meet your specific needs, please contact our sales team at 1-800-328-1842. New products arrive daily and our knowledgeable staff are happy to assist you in locating the exact item(s) you need.

AFP MSA3-1478-6-048-130 200HP 480V 3-Coil Auto Transformer

AFP Auto Transformers LLC: Cat# MSA3-1478-6-048-130, 200 horsepower, 480 volt, 3 coil, 246 full load amps, 1178 locked rotor amps (LRA). Part# 840011981, customer part# MA3-1478-6-0480, NEMA medium, open type, taps: 0%, 50%, 65%, 80%, 100%. Sold Used Electrically OK.
SKU: MSA3-1478-6-048-130
$1,200.00

Allen Bradley X-298740NE 200HP 480V 3-Coil Auto Transformer

Allen Bradley Auto Transformer: Cat# X-298740NE, 200 horsepower, 480 volt, 3 coil, open type, taps: 0%, 50%, 65%, 80%, 100%. Used Electrically OK.
SKU: X-298740NE
$1,200.00

Dongan 33 KVA 208-240 Volt 3 Phase Auto Transformer R&G

Dongan Auto Transformer: 33 KVA, Primary Voltage: 208 Volt, Secondary Voltage: 240 Volt, 3 Phase, NEMA 3R outdoor. Reconditioned & guaranteed with a one-year warranty.
SKU: TR202327830
$1,500.00

GE CR9194-U100A3A-30301-C1.50 150HP 460V 3-Coil Auto Transformer

General Electric Auto Transformer: Cat# CR9194-U100A3A-30301-C1.50, 150 horsepower, 460 volt, 3 coil, open type, taps: 0%, 50%, 65%, 80%, 100%. Sold Used Electrically Ok.
SKU: CR9194-U100A3A-C0301-C1.50
$1,000.00

GE CR9194-W100A3A-30301-C2.00 200HP 460V 3-Coil Auto Transformer

General Electric Auto Transformer: Cat# CR9194-W100A3A-30301-C2.00, 200 horsepower, 460 volt, 3 coil, open type, taps: 0%, 50%, 65%, 80%, 100%. Sold Used Electrically OK.
SKU: CR9194-W100A3A-30301-C2.00
$1,200.00

GTE Sylvania/Clark 400HP 480V 3-Coil Auto Transformer

GTE Sylvania / Clark Control Inc Auto Transformer: Type ST, Cat# TR63-18, 400 horsepower, 460 volt, 3 coil, 60Hz, open type, medium duty, taps: 0%, 50%, 65%, 80%, 100%. Sold Used Electrically Okay.
SKU: ST-TR63-16
$2,250.00

Hammond 3009C1. 100HP 480V 3-Coil Auto Transformer

Hammond Auto Transformer: Cat# 3009C1., 100 horsepower, 480 volt, 3 coil, open type, taps: 0%, 50%, 65%, 80%, 100%. Used Electrically OK.
SKU: 3009C1.
$750.00

Hevi-Duty 200HP 440/480V 3-Coil Auto Transformer

Hevi-Duty Auto Transformer: Cat# K2ST200A, 200 horsepower, 440/480 volt, 3 coil, open type, taps: 0%, 50%, 65%, 80%, 100%. Sold Used Electrically OK.
SKU: K2ST200A
$1,200.00

JE 10372M D 150HP 460/575V 3-Coil Auto Transformer

JE Auto Transformer: Cat# 10372M D, 150 horsepower, 460/575 volt, 3 coil, open type, taps: 0%, 50%, 65%, 80%, 100%. Sold Used Electrically OK.
SKU: 10372MD
$1,000.00

Neco-Hammond 29401C1.0 100HP 480V 2-Coil Auto Transformer

Neco-Hammond (Manufactured for Westinghouse) Auto Transformer: Cat# 29401C1.0, 100 horsepower, 480 volt, 2 coil, open type, taps: 0%, 50%, 65%, 80%, 100%. Sold Used Electrically Ok.
SKU: 29401C1.0
$750.00

Neco-Hammond 29401C1.5 150HP 480V 2-Coil Auto Transformer

Neco-Hammond (Manufactured for Westinghouse) Auto Transformer: Cat# 29401C1.5 / 553D124G48, 150 horsepower, 480 volt, 2 coil, open type, taps: 0%, 50%, 65%, 80%, 100%. Sold Used Electrically OK.
SKU: 29401C1.5
$1,000.00

Square D 2787-B34-G2 25HP 480V 2-Coil Auto Transformer

Square D Auto Transformer: Cat# 2787-B34-G2, 25 horsepower, 480 volt, 2 coil, open type, taps: 0%, 50%, 67%, 84%, 100%. Sold Used Electrically OK.
SKU: 2787-B34-G2
$500.00

Square D 2787-B4-G2 25HP 480V 2-Coil Auto Transformer

Square D Auto Transformer: Cat# 2787-B4-G2, 25 horsepower, 480 volt, 2 coil, open type, taps: 0%, 50%, 67%, 84%, 100%. Sold Used Electrically OK.
SKU: 2787-B4-G2
$500.00

Square D 30484-510-66 76-125HP 480V 2-Coil Auto Transformer

Square D Auto Transformer: Cat# 30484-510-66, 76-125 horsepower, 480 volt, 2 coil, open type, taps: 0%, 50%, 67%, 84%, 100%. Sold Used Electrically OK.
SKU: 30484-510-66
$750.00

Square D MSA150T202H2 150HP 480V 2-Coil Auto Transformer

Square D Auto Transformer: Cat# MSAT202H2, 150 horsepower, 480 volt, 2 coil, open type, taps: 0%, 50%, 65%, 80%, 100%. Sold Used Electrically OK.
SKU: MSA150T202H2
$1,000.00

Square D MSA75T202H2 75HP 480V 2-Coil Auto Transformer

Square D Auto Transformer: Cat# MSA75T202H2, 75 horsepower, 480 volt, 2 coil, open type, taps: 0%, 50%, 65%, 80%, 100%. Sold Used Electrically OK.
SKU: MSA75T202H2
$650.00

Sta-Rite Industries 350HP 375A 1550KVAR 480V 3-Coil Motor Starting Reactor

Sta-Rite Industries Inc. Transformer: Div Ser# 275792176, 150 horsepower, 480 volt, 3 coil, open type, taps: 0%, 50%, 65%, 80%, 100%. Sold Used Electrically OK.
SKU: 275792176
$1,800.00

Westinghouse 1747029 50HP 440V 2-Coil Auto Transformer

Westinghouse Auto Transformer: Cat# 1747029, 50 horsepower, 480 volt, 2 coil, open type, taps: 0%, 50%, 67%, 84%, 100%. Sold Used Electrically OK.
SKU: 1747029
$600.00

Westinghouse 553D123G36 100-125HP 220V 2-Coil Auto Transformer

Westinghouse Auto Transformer: Cat# 553D123G36, 100-125 horsepower, 220 volt, 2 coil, open type, taps: 0%, 50%, 67%, 84%, 100%. Sold Used Electrically OK.
SKU: 553D123G36
$750.00

Westinghouse 553D124G57 125HP 480V 2-Coil Auto Transformer

Westinghouse Auto Transformer: Cat# 29401C1.5 / 553D124G48, 125 horsepower, 480 volt, 2 coil, open type, taps: 0%, 50%, 65%, 80%, 100%. Sold Used Electrically Ok.
SKU: 553D124G57
$750.00

EMSCO has been specializing in used and refurbished auto-transformer options for over 72 years. Need help identifying the auto-transformers you need to replace, use our website to find it.