Eaton 900MV3AI41FGMW MV AutoVAR capacitor bank - CSA
Part Number: 900MV3AI41FGMW
Quick Summary
The Eaton 900MV3AI41FGMW MV AutoVAR capacitor bank is a high-capacity reactive power solution for medium-voltage distribution networks. This offering targets facilities seeking steady power factor and voltage regulation amid variable loads, helping avoid penalties and improve equipment efficiency. Key certifications such as CSA Certified (Canada Only) underscore safety and regulatory alignment, while the 4160V, 60 Hz rating confirms suitability for modern MV systems. In practical terms, this solution delivers reliable, automatic VAR control and scalable capacity, supporting project ROI through reduced energy waste and safer, more predictable operations.
Product Information
Extended Description
900MV3AI41FGMW Eaton: Eaton Automatically Switched MV AutoVAR Capacitor Bank, 900KVAR, 4160V, 60Hz, Unfiltered
Product Name
Eaton MV AutoVAR unfiltered capacitor bank
Catalog Number
900MV3AI41FGMW
UPC
786689014582
Product Length/Depth
49 in
Product Height
91 in
Product Width
135 in
Product Weight
6000 lb
Certifications
CSA Certified (Canada Only)
Type
Capacitor bank
Frequency rating
60 Hz
Feature: Automatically Switched MV AutoVAR capacitor bank provides dynamic reactive power compensation in real time → Business Impact: Reduces VAR charges, improves power factor, and stabilizes voltage under fluctuating loads, enabling ongoing energy-cost savings for industrial facilities. Application: Use in manufacturing plants and utilities with 4160V distribution to optimize power quality without manual intervention. Feature: 900 kVAR capacity at 4160V, 60 Hz → Business Impact: Handles large reactive demand swings, enabling tighter PF targets and reduced transformer loading. Application: Suitable for high-demand lines in metal processing, pulp and paper, and large data centers. Feature: CSA Certified (Canada Only) → Business Impact: Aligns with regional safety requirements, accelerating project approvals and field commissioning. Application: Ideal for Canadian projects requiring formal certification. Feature: Robust footprint with 49 in depth, 91 in height, 135 in width, and 6000 lb weight → Business Impact: Predictable install footprint and structural support simplify integration into existing MV bus sections. Application: Factory floors and substations where space planning and mechanical mounting are critical. Feature: Unfiltered capacitor bank design → Business Impact: Fast response to changing loads, with considerations for harmonic environments; helps achieve rapid PF improvement, while recommending appropriate harmonic filtering as needed. Application: Utility-scale and manufacturing scenarios with controlled harmonic conditions. Feature: Manufacturer support and reliability from Eaton → Business Impact: Reduces maintenance risk and ensures long-term performance with access to service documentation and parts. Application: Value-add for OEMs and maintenance teams looking for robust, serviceable MV reactive power solutions.
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FAQs
Installation requires sufficient space for a large MV unit with dimensions of 49 in depth, 91 in height, and 135 in width, plus a robust mounting surface weighing around 6000 lb. Ensure proper electrical clearances, suitable bus connections at 4160V, and integration with the plant protection scheme and automatic VAR switching controls. Follow CSA safety guidelines during commissioning.
With a 900 kVAR reactive power capability at 4160V, the unit actively tunes reactive power, raising the power factor closer to unity and reducing VAR penalties from utilities. The result is lower energy losses, improved motor efficiency, and potential deferred upgrades to upstream transformers, delivering measurable annual energy-cost savings when properly integrated.
Yes. The unit is specified for 4160V, 60 Hz systems, providing automatic VAR switching and reactive power management tailored to medium-voltage networks typical of industrial facilities. Before deployment, confirm harmonic profile and bus configuration, and plan for proper protection coordination and clearances around the large cabinet footprint.
The product is CSA Certified (Canada Only), reflecting compliance with safety standards for Canadian MV installations. For project readiness, ensure documentation aligns with local electrical codes and utility requirements, and coordinate with Eaton for any regional conformity needs or documentation packages during procurement and commissioning.
ROI is driven by reduced reactive power charges, improved voltage stability, and better transformer loading. Maintenance considerations include routine inspection of switchgear interfaces, verification of automatic VAR switching operation, and periodic electrical testing. The unfiltered design benefits from harmonic assessment where needed, and Eaton support can assist with service planning and spare parts.