Eaton MD75E68ES Drive Isolation Transformer - UL Listed
Part Number: MD75E68ES
Quick Summary
Eaton MD75E68ES Drive Isolation Transformer provides ventilated, dry-type isolation for motor drives in industrial automation. In demanding environments, voltage transients and electrical noise threaten uptime and equipment life. It carries UL Listed certification, a cornerstone for electrical safety and code compliance in many markets. With the DT-3 dry-type design, 75 kVA rating, and 460 V to 208Y/120 V outputs, it enables compact, reliable panel installations for motor-drive systems and scalable automation architectures. This combination supports robust performance in manufacturing, process control, and material handling environments while aligning with evolving safety and reliability standards.
Product Information
Extended Description
MD75E68ES Eaton: Drive Isolation Transformer, Ventilated, Dry Type Distribution, DT-3, Three-phase, PV: 460 delta, Taps: 1 at +5% FCAN, 1 at -5% FCBN, SV: 208Y/120, 150°C, 75 kVA, Al windings, Elec. Shield, Frame: 914D, uses WS39
Product Name
Eaton Motor drive isolation ventilated transformer
Catalog Number
MD75E68ES
UPC
786685266992
Product Length/Depth
22 in
Product Height
39 in
Product Width
29 in
Product Weight
565 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Certifications
UL Listed
Coil material
Aluminum
Design
DT-3
Frame
914D
Tap size
1 at +5% FCAN, 1 at -5% FCBN
Type
Dry Type Distribution, Drive Isolation Transformer
Frequency rating
60 Hz
Phase
Three-phase
Primary voltage
460 V
Secondary Voltage
208Y/120 V
Temperature rise
150 °C rise
Volt ampere rating
75 kVA
Special features
Electrostatically shielded
Weathershield
WS39
Three-phase, 75 kVA drive isolation capacity with a 460 V primary and 208Y/120 V secondary delivers a focused power path for motor drives. Business impact: isolates sensitive drive electronics from line transients, reduces EMI, and improves overall system reliability. Application: automation panels, conveyors, pumps, and other motor-driven equipment where uptime matters. +5% and -5% voltage taps (FCAN/FCBN) enable on-site voltage adjustment to match loading and feeder conditions. Business impact: maintains motor torque, minimizes nuisance trips, and protects insulation during voltage fluctuation. Application: commissioning and ongoing operation in facilities with variable supply quality. Electrostatic shield provides EMI suppression and protects downstream control electronics. Business impact: improves control accuracy, reduces grounding complexity, and eases regulatory compliance. Application: drives, PLCs, and instrumentation in control rooms and machine centers. WS39 weather shield with 914D frame enables outdoor or harsh-industrial deployment. Business impact: expands installation options and reduces indoor space needs. Application: outdoor MCCs and exposed equipment near noisy machinery. Aluminum windings and 150°C rise support efficient operation under high ambient temperatures. Business impact: reduces heat buildup and extends service life. Application: high-load drives in hot plants. UL Listed certification and a standard one-year warranty provide procurement confidence and long-term support. Application: enterprise-scale installation programs and maintenance planning.
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FAQs
Is MD75E68ES suitable for panel-m mounted installations that use the WS39 weather shield? Yes. The 914D frame and ventilated dry-type construction are designed for controlled-panel environments, while WS39 provides extrinsic protection for outdoor or rugged locations. Ensure adequate clearance for cooling and access to taps (+5%/−5%) during commissioning.
The 460 V primary and 208Y/120 V secondary arrangement supports common motor-drive voltage levels and helps isolate transient energy from sensitive electronics. This configuration stabilizes voltage delivery to VFDs and drives, reducing harmonic impact and improving drive response, especially in conveyor, pump, and mixer applications.
Industries with heavy motor-drive needs—manufacturing, packaging, process control, and material handling—benefit most. Machines such as CNCs, pumps, fans, and high-inertia conveyors gain from reliable voltage regulation, EMI suppression, and robust enclosure options, enabling tighter control and longer equipment life in demanding environments.
UL Listed certification confirms electrical safety compliance for many regions, aiding procurement and audit processes. When specifying for harsh environments or regulated industries, verify site-specific codes and any CE or IP requirements applicable to the installation, and plan for proper enclosure, grounding, and regular maintenance per Eaton guidance.
Expect lower maintenance costs due to a rugged dry-type design and a protective electrostatic shield that reduces EMI-related nuisances. The 75 kVA rating supports single-unit scalability for multiple drives, reducing hardware count. Standard one-year warranty (or 18 months from shipment) minimizes lifecycle risk and supports predictable total cost of ownership.