Eaton MD75E92FCU Motor Drive Isolation Transformer 75KVA
Part Number: MD75E92FCU
Quick Summary
The Eaton MD75E92FCU is a motor-drive isolation transformer for industrial drive systems. Engineers often confront heat buildup, voltage sags, and EMI when powering variable-speed drives; this ventilated transformer isolates the drive from the supply, improving reliability and reducing interference. Certifications are to be confirmed with the manufacturer, but industry practice typically includes CE marking and UL recognition to support safe, compliant installations. With a 75 kVA rating and a three-phase configuration, it aligns with common drive architectures while delivering robust cooling and protection for critical plant equipment, helping maintain uptime and consistent performance in demanding manufacturing environments.
Product Information
Extended Description
MD75E92FCU Eaton: Eaton Motor drive isolation ventilated transformer 75 KVA DRIVE ISOL XFMR 3PH 460 DELTA-460Y/266 115C RISE
Product Name
Eaton Motor drive isolation ventilated transformer
Catalog Number
MD75E92FCU
UPC
786680140181
Product Length/Depth
0.001 in
Product Height
0.001 in
Product Width
0.001 in
Product Weight
641 lb
Certifications
Contact Manufacturer
Type
Ventilated transformer
Ventilated cooling design reduces operating temperatures, extending transformer life and lowering maintenance costs while enabling higher current handling in continuous-drive loads. The isolation transformer topology minimizes EMI and transient voltage spikes, safeguarding sensitive motor drives and control electronics, which translates to less unexpected downtime and simpler regulatory compliance in drive installations. A 75 kVA, three-phase configuration supports scalable motor loads, with a primary 460 V delta input and a 460Y/266 V secondary, enabling flexible integration with standard plant electrical systems and VFDs. This unit's rugged construction and weight (641 lb) contribute to long-term reliability in harsh environments, reducing replacement frequency and inventory needs. Easy installation in standard electrical rooms, with compatibility to common low-voltage distribution practices, supports fast project timelines and predictable ROI.
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FAQs
The MD75E92FCU is a 3-phase transformer designed for 460 V delta primary and 460Y/266 V secondary configurations. Install in a ventilated, accessible electrical room with adequate clearance for cooling airflow, vibration isolation, and routine inspection. Verify mounting orientation per site standards and ensure all power connections follow NEC/IEC guidelines. Always confirm final certifications with the manufacturer before commissioning.
Key specs include a 75 kVA rating, three-phase configuration, primary voltage of 460 V delta, and secondary voltage of 460Y/266 V. The unit employs a ventilated cooling design and has a 115 C rise rating. It is positioned to support drive systems and VFDs, with robust isolation to reduce EMI and protect drive electronics.
Yes. The isolation and ventilated design make it well suited for PWM-driven variable-frequency drives, reducing electrical noise and transient stresses on drive electronics. Its 75 kVA capacity accommodates typical motor loads in manufacturing lines, while the delta-wye secondary configuration supports common 460V drive architectures. Ensure proper ventilation and adherence to installation guidelines to maximize performance.
Certifications for the MD75E92FCU are listed as 'Contact Manufacturer' in the data. For regulatory compliance, consult Eaton for current CE, UL, or other approvals applicable to your region and application, and ensure the equipment meets your local electrical codes prior to installation.
The 75 kVA ventilated transformer provides stable drive isolation and improved cooling, reducing thermal stress and extending component life. This translates to lower maintenance frequency, fewer unplanned outages, and a faster payback on drive-system upgrades. Its rugged construction supports long service intervals in demanding environments, helping protect capital equipment and improve overall line uptime.