Eaton HCU2157D6N2 Active Harmonic Correction Unit - UL 508C
Part Number: HCU2157D6N2
Quick Summary
Electricians and engineers rely on Eaton HCU2 active harmonic correction unit to mitigate harmonic distortion in three-phase 600 V systems. This solution targets the common pain point of distorted waveforms that cause efficiency losses and motor wear. It carries critical certifications such as IEEE Std. 519, IEC 61000-3-2, IEC 61000-3-4, UL 508C, and CSA for safe operation in harsh plant environments. By actively correcting harmonics, it supports energy efficiency, improves power factor, and helps facilities stay compliant, all while integrating with existing floor-mount, NEMA 2 enclosures and standard 50/60 Hz operation. This makes it a practical, business-ready choice for manufacturers, data centers, and heavy industries seeking reliable power quality improvements.
Product Information
Extended Description
HCU2157D6N2 Eaton: Eaton Active Harmonic Correction unit, 157A, 7.2 kW watt loss, 600V rating, 50/60 Hz, Three-phase, Floor-mount, NEMA 2 enclosure
Product Name
Eaton HCU2 active harmonic correction unit
Catalog Number
HCU2157D6N2
UPC
743172081995
Product Length/Depth
30.71 in
Product Height
87.32 in
Product Width
60.12 in
Product Weight
1636.6 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
IEC 61000 3-2 IEC 61000-3-4 IEEE Std. 519 UL 508C CSA Std. C22.2 No. 14
Product Category
Harmonic Correction Units
Special features
Integral disconnect
Amperage Rating
157A
Cable entry
Top or bottom
Enclosure
NEMA 2
Frequency rating
50/60 Hz
Mounting
Floor
Phase
Three-phase
Type
Active Harmonic Correction unit
Voltage rating
600 V
Watt losses
7.2 kW
157A current rating paired with 7.2 kW watt losses enables targeted harmonic correction without excessive energy drain. This means you can address higher order harmonics while keeping operating costs in check, reducing motor heat and extending drive life. Ideal for three-phase loads on a 600 V network in manufacturing lines and process equipment, the solution translates to measurable uptime improvements and lower maintenance spend. 600 V nominal rating with 50/60 Hz operation ensures broad compatibility across global facilities, accelerating project timelines and minimizing engineering changes. The floor-mount design and top or bottom cable entry offer installation flexibility, reducing retrofits and wiring complexity in retrofit projects. An integral disconnect enhances safety during commissioning and routine maintenance, enabling fast isolation without removing enclosure access. The NEMA 2 enclosure delivers rugged protection in typical plant environments, supporting reliable long-term operation. Certifications including IEC 61000-3-2/3-4, IEEE 519, UL 508C, and CSA reinforce regulatory compliance, making procurement straightforward for automotive, food & beverage, and data-center adjacent applications. Overall, the unit aligns with industry best practices for harmonic mitigation, energy savings, and safe, scalable power quality improvements.
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FAQs
The HCU2157D6N2 is designed for floor-mounted installation in 600 V three-phase networks and uses top or bottom cable entry for wiring flexibility. Plan for adequate clearance around the NEMA 2 enclosure, ensure ambient temperature and ventilation meet manufacturer guidelines, and verify that the site can accommodate the integral disconnect for safe commissioning and maintenance. This approach minimizes downtime during retrofits and accelerates deployment across existing switchgear. Please refer to Eaton’s specification sheet for mounting dimensions and wiring diagrams to ensure full code compliance and safe operation.
The unit actively corrects harmonic distortion by dynamically mitigating harmonics generated by drives and non-linear loads. With a 157A rating and 7.2 kW watt losses, it stabilizes the current waveform without excessive energy drag, improving power factor and reducing overheating in motors and transformers. Expect measurable reductions in total harmonic distortion (THD), enhanced motor efficiency, and better compliance with IEEE 519 and IEC 61000-3-2/3-4 limits in typical industrial installations.
Yes. The HCU2 is engineered for three-phase, 600 V systems common in data centers and manufacturing floors. Its floor-mount design and NEMA 2 enclosure provide rugged protection in industrial environments, while the integral disconnect streamlines safe commissioning. Its capability to reduce harmonics from drives and power-intensive equipment supports improved uptime, reduced cooling needs, and more predictable performance in facilities with high-crest factor loads.
The unit complies with IEEE Std. 519, IEC 61000-3-2, IEC 61000-3-4, UL 508C, and CSA Std. C22.2 No. 14. Meeting these standards demonstrates robust electromagnetic compatibility, safe electrical design, and suitability for industrial automation environments. For procurement and regulatory audits, certification alignment simplifies supplier qualification, ensures consistent performance under harmonic stress, and supports compliance across regional markets.
Maintenance is typically minimal beyond periodic inspections and enclosure integrity checks. The device's design emphasizes reliability in harsh environments, reducing unscheduled downtime. ROI comes from energy savings through improved power factor and reduced losses, extended motor life, and lower maintenance costs from fewer motor and drive issues. The product warranty aligns with Eaton’s policy, providing a one-year coverage from installation or eighteen months from shipment, whichever comes first.