Eaton MD34E92FCU Motor drive isolation transformer - Ventilated
Part Number: MD34E92FCU
Quick Summary
MD34E92FCU motor drive isolation transformer delivers clean, isolated power for motor drives in manufacturing environments. Engineers often contend with voltage fluctuations and heat buildup that shorten drive life and trigger unplanned downtime. Certifications to verify with the manufacturer typically include CE conformity, SIL readiness, and IP-rated enclosure protection, depending on regional requirements. Designed for OEMs and maintenance teams, it integrates with standard three-phase drive architectures to improve reliability, reduce energy waste, and simplify maintenance. The 34 KVA rating and the 460 DELTA to 460Y/266 secondary configuration enable reliable drive isolation across diverse plant layouts.
Product Information
Extended Description
MD34E92FCU Eaton: Eaton Motor drive isolation ventilated transformer 34 KVA DRIVE ISOL XFMR 3PH 460 DELTA-460Y/266 115C RISE
Product Name
Eaton Motor drive isolation ventilated transformer
Catalog Number
MD34E92FCU
UPC
786680140143
Product Length/Depth
0.001 in
Product Height
0.001 in
Product Width
0.001 in
Product Weight
388 lb
Certifications
Contact Manufacturer
Type
Ventilated transformer
The MD34E92FCU delivers a 34 KVA rating with a 3-phase 460 V delta primary and 460Y/266 secondary, providing robust isolation for drive electronics and protecting PWM components from line disturbances. This isolation reduces transient stress on VFDs, enhances motor life, and lowers unplanned downtime, especially in conveyors, pumps, and fans. The ventilated cooling design supports continuous operation under heavy load, improving uptime in harsh industrial environments. Compatibility with standard three-phase power and common mounting footprints simplifies installation, reduces site modification, and accelerates commissioning. The rugged construction and Eaton’s documentation offer predictable performance and long service life, helping facilities meet uptime targets while stabilizing energy use. Installation is straightforward with typical NEMA-style connections, and Eaton’s datasheets provide clear guidance for retrofit projects and new builds.
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FAQs
For installation, ensure correct phase sequence and secure mounting in a ventilated enclosure. Verify input is 3-phase 460 V delta and confirm secondary configuration 460Y/266 V. Use standard NEMA-style connections, follow Eaton installation guidelines, and reference the MD34E92FCU datasheet for clear wiring diagrams and clearance recommendations to maintain ventilation and cooling efficiency.
Key specs include a 34 KVA rating, 3-phase 460 V delta primary, 460Y/266 V secondary, and a 115 C rise rating. The transformer is ventilated to support continuous operation and provides robust isolation between the drive electronics and the power source, helping suppress transients and improve drive reliability in demanding applications.
Yes, with 34 KVA capacity and a ventilated design, the MD34E92FCU is appropriate for medium-to-high power drive isolation in manufacturing lines. Its three-phase 460 V input matches common plant utilities, while the 460Y/266 V secondary supports drive control circuits. Always confirm site requirements and consult Eaton datasheets for installation and cooling considerations.
Certifications should be verified with Eaton, as the product specifies 'Certifications: Contact Manufacturer.' Typical industry considerations include CE conformity for EU regions, SIL readiness for safety-critical drives, and IP ratings for enclosure protection. Check the latest Eaton specification sheet and regional compliance requirements during procurement and commissioning.
The transformer reduces drive wear from transients, improves uptime, and stabilizes control voltages, which lowers maintenance costs and unplanned downtime. By isolating the drive electronics from mains disturbances, you can achieve longer VFD life, reduced electrical noise, and more predictable performance—benefits that translate into higher throughput and lower total cost of ownership.