Eaton HCU2157D6N12 Harmonic Correction Unit - IEEE Std. 519
Part Number: HCU2157D6N12
Quick Summary
Eaton HCU2157D6N12 active harmonic correction unit improves power quality in demanding three-phase industrial applications. Without proper harmonic control, motor overheating, insulation wear, and nuisance trips threaten uptime and drive up maintenance costs. This solution is engineered to IEEE Std. 519, UL 508C, and CSA C22.2 No. 14, with IEC 61000 EMC compatibility to meet modern electrical codes. Designed for floor-mounted installations in industrial facilities, it handles 157A at 600V with 50/60 Hz service. Its robust NEMA 12 enclosure and integral disconnect simplify service and protection, while top or bottom cable entry offers flexible wiring options. With broad compatibility and proven performance, it supports efficiency gains, reduced harmonics, and improved reliability across manufacturing and process environments.
Product Information
Extended Description
HCU2157D6N12 Eaton: Eaton Active Harmonic Correction unit, 157A, 7.2 kW watt loss, 600V rating, 50/60 Hz, Three-phase, Floor-mount, NEMA 12 enclosure
Product Name
Eaton HCU2 active harmonic correction unit
Catalog Number
HCU2157D6N12
UPC
743172081865
Product Length/Depth
30.71 in
Product Height
87.32 in
Product Width
60.12 in
Product Weight
1685 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 12
Frequency rating
50/60 Hz
Mounting
Floor
Phase
Three-phase
Type
Active Harmonic Correction unit
Voltage rating
600 V
Watt losses
7.2 kW
Active harmonic correction technology → Reduces harmonic distortion and improves power factor, delivering smoother voltage profiles for drives and motors. This translates to lower motor overheating, fewer nuisance trips, and extended equipment life in demanding production lines. Application: large motor drives, CNCs, and automated assembly lines benefit from immediate, measurable reliability gains. 157A rating → Supports heavy, full-load harmonic mitigation without oversized additions to existing panels, reducing equipment counts and footprint. Application: mid-to-large facilities needing robust correction without scaling hardware. 600V and 50/60 Hz compatibility → Broad regional suitability, enabling seamless integration into North American and international plant feeders. Application: mixed-voltage campuses and multi-line factories gain uniform harmonic control. NEMA 12 floor-mount enclosure → Rugged indoor installation with straightforward service access, minimizing enclosure-related downtime. Application: machine rooms and production floors with strict environmental requirements. Integral disconnect → Simplified electrical code compliance and safer maintenance, reducing lockout/tagout complexity. Application: panel builders and system integrators seeking compliance-ready solutions. Top or bottom cable entry → Flexible wiring options for retrofits and new builds, easing site planning and subsequent upgrades. Application: retrofit projects and new line installations alike.
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FAQs
The HCU2157D6N12 is designed for floor-mounted installation in 600 V three-phase feeders. Plan for a floor footprint compatible with a 60.12 in width, 87.32 in height, and 30.71 in depth. Connect via top or bottom cable entry, ensure clear access for the integral disconnect, and follow local lockout/tagout procedures during wiring. The unit’s NEMA 12 enclosure is suited for indoor, non-corrosive environments, and the IEC/IEEE compliant design supports straightforward code documentation.
The HCU2 active harmonic correction technology targets harmonic distortion in three-phase systems, delivering improved power quality and reduced motor heating. Expect better power factor, lower thermal stress on drives and motors, and fewer nuisance trips. Compliance with IEEE Std. 519 and IEC EMC standards helps ensure regulatory alignment and consistent performance across evolving facility electrical environments.
Yes. The 157A, 600 V, 50/60 Hz capabilities suit large manufacturing lines with high harmonic content from motor drives and CNCs, as well as critical cooling systems in data centers. The NEMA 12 enclosure and integral disconnect support robust indoor installation, while top/bottom cable entries provide flexible integration with existing busways and switchgear.
This Eaton HCU2157D6N12 carries IEEE Std. 519, IEC 61000-3-2, IEC 61000-3-4, UL 508C, and CSA C22.2 No. 14 certifications. These attest to harmonic limits, EMC compatibility, and suitability for industrial control panel integration, helping you meet stringent electrical standards and simplify your compliance documentation and inspections.
Eaton provides a one-year warranty from installation or 18 months from shipment, whichever comes first. Regular maintenance focuses on verifying the integral disconnect operation, cable terminations, and enclosure integrity. By reducing harmonic-related wear and improving uptime, the unit helps drive lower maintenance costs and a favorable return on investment over its service life.