Auto-Transformers

Please note that our available online inventory is only a sampling of our available in-stock inventory. If you cannot locate the product you need, please call us at 1-800-328-1842. Our sales team will be happy to find it for you.

AFP MSA3-1478-6-048-130 200HP 246FLA 480V 3-Coil Auto Transformer Used

AFP 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 EMSCO # AT-2018-26276 LOC: 5F2 # AT-2018-26277 LOC: 5F2
SKU: MSA3-1478-6-048-130

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

Allen Bradley Cat#EX-298740 Type NE 200 Horsepower 480 Volt 3 Coil Open Type Taps: 0%, 50%, 65%, 80%, 100% Used EMSCO# AT-2016-24512 LOC: MCC-SS-040B By Fuses AT-2016-24513 LOC: MCC-SS-040A By Fuses
SKU: EX-298740 Type NE

Allen Bradley X-289372 100HP 480V 3-Coil Auto Transformer Used

Allen Bradley Cat#X-289372 100 Horsepower 480 Volt 3 Coil Open Type Taps: 0%, 50%, 65%, 80%, 100% Used EMSCO# AT-2016-24552 LOC: MCC-SS-023 Row 13
SKU: X-289372

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

Allen Bradley Cat# X-298740NE 200 Horsepower 480 Volt 3 Coil Open Type Taps: 0%, 50%, 65%, 80%, 100% Used EMSCO# AT-2016-24554 LOC: 5D2 AT-2016-24554 LOC: 5D2
SKU: X-298740NE

Allen Bradley/Neco-Hammond X-289352 50HP 480V 3-Coil Auto Transformer Used

Allen Bradley Made by Neco-Hammond Cat#X-289352 50 Horsepower 480 Volt 3 Coil Open Type Taps: 0%, 50%, 65%, 80%, 100% Used EMSCO# AT-2016-24546 LOC: MCC-SS-014A Row 8 AT-2016-24547 LOC: MCC-SS-014B Row 8 AT-2016-24548 LOC: MCC-SS-014C Row 8
SKU: X-289352

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

General Electric Cat# CR9194-U100A3A-30301-C1.50 150 Horsepower 460 Volt 3 Coil Open Type Taps: 0%, 50%, 65%, 80%, 100% Sold Used Electrically Ok EMSCO# AT-2016-24481 LOC: 5D3 # AT-2016-24482 LOC: 5D3 # AT-2016-24607 LOC: 5H1
SKU: CR9194-U100A3A-C0301-C1.50

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

General Electric Cat# CR9194-W100A3A-30301-C2.00 200 Horsepower 460 Volt 3 Coil Open Type Taps: 0%, 50%, 65%, 80%, 100% Sold used electrically ok EMSCO# AT-2016-24485 LOC: 5E3 # AT-2016-24501 LOC: 5F1
SKU: CR9194-W100A3A-30301-C2.00

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

GTE Sylvania / Clark Control Inc Type ST # TR63-18 400 Horsepower 460 Volt 3 Coil 60Hz Open Type Medium Duty Taps: 0%, 50%, 65%, 80%, 100% Sold Used Electrically Okay EMSCO# AT-2019-27239 Loc; 5E1
SKU: ST-TR63-16

Hammond 2823N5.Q 500HP 68FLA 4160V 3-Coil Auto Transformer Surplus

Hammond Cat# 2823N5.Q 500 Horsepower 68 Full Load Amps 4160 Volt 3 Coil Open Type Taps: 0%, 50%, 67%, 84%, 100% New Surplus EMSCO# AT-2016-24507 LOC: 5D1
SKU: 2823N5.Q

Hammond 29203C1. 75HP/100HP 440/480V 2-Coil Auto Transformer Used

Neco-Hammond Manufactured for Westinghouse Cat# 29203C1. 75 Horsepower /100 Horsepower 440/480 Volt 2 Coil Open Type Taps: 0%, 50%, 65%, 80%, 100% Sold Used Electrically Ok EMSCO# AT-2016-24609 LOC: SS-41 BY FUSES AT-2016-24610 LOC: SS-42 BY FUSES
SKU: 29203C1.

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

Hammond Cat# 3009C1. 100 Horsepower 480 Volt 3 Coil Open Type Taps: 0%, 50%, 65%, 80%, 100% New EMSCO# AT-2016-24495 LOC: 5F2 # AT-2016-24496 LOC: 5E2
SKU: 3009C1.

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

Hammond Cat# 3009C1. 100 Horsepower 480 Volt 3 Coil Open Type Taps: 0%, 50%, 65%, 80%, 100% Used EMSCO# AT-2018-26272 LOC: 5H2 # AT-2018-26273 LOC: 5H2 # AT-2018-26274 LOC: 5H2 # AT-2018-26275 LOC: 5H2
SKU: 3009C1. Used

Hammond 3009C4. 400HP 480V 3-Coil Auto Transformer New

Hammond Cat# 3009C4. 400 Horsepower 480 Volt 3 Coil Open Type Taps: 0%, 50%, 65%, 80%, 100% New
SKU: 3009C4.

Hammond 3009C6. 600HP 480V 3-Coil Auto Transformer New

Hammond Cat# 3009C6. 600 Horsepower 480 Volt 3 Coil Open Type Taps: 0%, 50%, 65%, 80%, 100% New EMSCO# AT-2016-24499 LOC: 5D2
SKU: 3009C6.

Hammond 30201C2.00 200HP 480V 3-Coil Auto Transformer Used

Neco-Hammond Cat# 30201C2.00 200 Horsepower 480 Volt 3 Coil Open Type Taps: 0%, 50%, 65%, 80%, 100% NEMA MED Duty Sold Used Electrically Ok EMSCO# AT-2016-26278 LOC: 5G2 # AT-2018-26279 LOC: 5G2
SKU: 30201C2.00

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

Hevi-Duty Cat# K2ST200A 200 Horsepower 440/480 Volt 3 Coil Open Type Taps: 0%, 50%, 65%, 80%, 100% Sold used electrically ok EMSCO# AT-2016-24492 LOC: 5F2
SKU: K2ST200A

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

JE Cat# 10372M D 150 Horsepower 460/575 Volt 3 Coil Open Type Taps: 0%, 50%, 65%, 80%, 100% Sold used electrically ok EMSCO# AT-2016-24504 LOC: 5E1
SKU: 10372M D

Neco Hammond 2823K4.5P 450HP 100FLA 2300V 3-Coil Auto Transformer Used

Hammond Cat# 2823K4.5P 450 Horsepower 100 Full Load Amps 2300 Volt 3 Coil Open Type Taps: 0%, 50%, 65%, 80%, 100% Used EMSCO# AT-2016-24311 LOC: 541
SKU: 2823K4.5P

Neco-Hammond 29203C1.00 75HP/100HP 440/480V 2-Coil Auto Transformer Used

Neco-Hammond Manufactured for Westinghouse Cat# 29203C1.00 (Square D # 52911-071-68) 75 Horsepower /100 Horsepower 440/480 Volt 2 Coil Open Type Taps: 0%, 50%, 65%, 80%, 100% Sold Used Electrically Ok EMSCO# AT-2016-24605 LOC: 5H1
SKU: 29203C1.00

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

Neco-Hammond Manufactured for Westinghouse Cat# 29401C1.0 100 Horsepower 480 Volt 2 Coil Open Type Taps: 0%, 50%, 65%, 80%, 100% Sold Used Electrically Ok EMSCO# AT-2016-24571 LOC: 5C1
SKU: 29401C1.0

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.