Eaton MD34E83FCU Motor drive isolation ventilated transformer - 34 KVA
Part Number: MD34E83FCU
Quick Summary
Eaton motor drive isolation ventilated transformer is a robust power conditioning device for motor drives in industrial settings. Engineers often contend with voltage fluctuations, EMI, and thermal stress that jeopardize drive reliability and increase maintenance cycles. Typical configurations align with common industry standards such as CE-like conformity and protective IP considerations, with SIL compliance available on request. By isolating the drive electronics and providing ventilated cooling, this unit helps minimize downtime while delivering stable power to 3-phase motors. For procurement, the 34 KVA footprint and 208 Delta-208Y/120 voltage conversion offer practical value in automation projects.
Product Information
Extended Description
MD34E83FCU Eaton: Eaton Motor drive isolation ventilated transformer 34 KVA DRIVE ISOL XFMR 3PH 208 DELTA-208Y/120 115C RISE
Product Name
Eaton Motor drive isolation ventilated transformer
Catalog Number
MD34E83FCU
UPC
786680140150
Product Length/Depth
0.001 in
Product Height
0.001 in
Product Width
0.001 in
Product Weight
399 lb
Certifications
Contact Manufacturer
Type
Ventilated transformer
Ventilated cooling design improves heat dissipation under peak drive loads, reducing insulation stress and extending component life. This translates to lower maintenance costs and reduced unplanned downtime in demanding conveyor, pump, and mixer lines. In practice, the MD34E83FCU supports installation behind drive systems where space and airflow are balanced for consistent performance. The 34 KVA rating delivers adequate reserve to handle startup surges, minimizing voltage dips and improving drive startup reliability in material handling and packaging lines. The three-phase 208 Delta-208Y/120 configuration simplifies control-wiring schemes, reducing panel complexity and installation time. Isolation and EMI suppression improve PLC and VFD reliability, benefiting robotics and automated sorting systems. Finally, compatibility with Eaton specifications and readily available engineering data sheets shorten lead times for new installs and retrofits.
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FAQs
For best results, install the MD34E83FCU behind drive infeed solutions with adequate clearance for ventilated cooling. Ensure proper enclosure protection and allow convection air flow to avoid hot spots. Verify mounting compatibility with standard 19 inch racks or pad mounting in control panels, and confirm electrical clearances for 3‑phase connections and secondary wiring to 208Y/120 control circuits.
The unit provides drive isolation between the power source and drive electronics while employing ventilated cooling to manage thermal rise under load. Its 34 KVA rating supports startup surges and load transients, reducing voltage dips. The 208 Delta-to-208Y/120 configuration enables flexible control-voltage integration, improving drive stability and reducing EMI influence on sensitive control circuitry.
Yes. The MD34E83FCU is designed for three-phase drives with a 208 Delta primary to 208Y/120 secondary, offering a practical solution for LV control panels and drive interlocks. Its ventilated cooling helps sustain continuous operation in demanding environments, while the 34 KVA rating provides a reliable buffer for motor startups in conveyors, fans, and packaging lines.
Exact certifications should be confirmed with Eaton; the datasheet notes certifications as ‘Contact Manufacturer.’ In practice, ask for CE-related conformity and IP protection options appropriate to your enclosure and environment. For safety-critical or SIL-relevant applications, request documentation on safety integrity and installation standards specific to your regional compliance requirements.
The MD34E83FCU reduces unplanned downtime by stabilizing voltage, suppressing EMI, and improving motor drive reliability. The ventilated design lowers overheating risk, potentially extending transformer and drive life. While initial procurement costs may be higher than non-isolated solutions, the total cost of ownership decreases through fewer outages, simpler wiring, and faster maintenance turnarounds in high-demand automation lines.