Eaton MD75E92CU Motor drive isolation transformer - Copper
Part Number: MD75E92CU
Quick Summary
The Eaton MD75E92CU motor drive isolation transformer delivers dependable isolation for industrial motor drives in manufacturing facilities. Engineers often face downtime from voltage transients, drive faults, and heat buildup when integrating drives with mains power. Key design features include copper windings, a 75 kVA rating, a 150 °C rise, and three-phase operation with primary 460 V delta and secondary 460Y/266 V. Certifications vary by region; typical targets include CE and UL listings, and the manufacturer can confirm region-specific approvals. In practice, this transformer improves uptime, protects drive electronics, and simplifies compliance while delivering measurable operating efficiency.
Product Information
Extended Description
MD75E92CU Eaton: Eaton Motor drive isolation ventilated transformer 75 KVA DRIVE ISOL 3PH 460 DELTA-460Y/266 150C RISE, COPPER
Product Name
Eaton Motor drive isolation ventilated transformer
Catalog Number
MD75E92CU
UPC
786680134692
Product Length/Depth
0.001 in
Product Height
0.001 in
Product Width
0.001 in
Product Weight
858 lb
Certifications
Contact Manufacturer
Type
Ventilated transformer
Feature: 75 kVA three-phase design. Business impact: Handles demanding motor loads and provides robust isolation for drive electronics, reducing nuisance trips. Application: Suitable for VFD-driven conveyors or pumps in mid-size plants. Feature: Copper windings. Business impact: Lower electrical losses and improved transient response, boosting efficiency and extending component life. Application: Drives with high switching frequencies benefit from reduced copper losses in heavy duty cycles. Feature: Ventilated construction. Business impact: Enhanced cooling enables reliable operation in constrained electrical rooms, lowering heat-related derating. Application: Industrial facilities with limited ventilation or hot ambient conditions. Feature: Temperature rise rating 150°C. Business impact: Wider operating envelope without compromising insulation, improving uptime in high-temperature environments. Application: High-demand process lines and packaging systems. Feature: Weight and rugged build (858 lb). Business impact: Stable mounting and vibration resistance for heavy-duty installations. Application: Mounting in switchgear rooms and panel enclosures with strict space budgets.
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FAQs
The MD75E92CU is ideal for isolating variable frequency drives (VFDs), servo systems, and other motor drives from mains disturbances in manufacturing, packaging, and process lines. Its 75 kVA rating supports mid-sized drive loads while copper windings deliver efficient performance and quick transient response.
Key specs include a 75 kVA rating, three-phase operation, a 460 V delta primary, 460Y/266 V secondary, copper windings, and a 150 °C insulation rise. This combination supports reliable drive isolation and efficient power delivery in challenging plant environments.
Ventilated cooling improves heat dissipation, enabling operation at higher ambient temperatures without excessive insulation rise. This reduces derating, extends transformer life, and lowers maintenance costs for drive isolation systems in busy production floors.
Certifications vary by region. Common targets include CE and UL listings; always consult Eaton or the distributor for current approvals and any regional compliance requirements before installation.
Ensure proper mounting clearance, ventilation access, and cable routing in the switchgear or equipment room. Verify voltage ratings, transformer orientation, and enclosure compatibility with Eaton drive isolation products to optimize performance and serviceability.