Eaton 125MCSR231W LV AutoVAR - UL 508A
Part Number: 125MCSR231W
Quick Summary
With the Eaton LV AutoVAR 300 capacitor bank, you gain precise reactive power control for three-phase electrical systems in industrial facilities. Many operations struggle with voltage sags and poor power factor that drive higher utility charges and equipment wear. This solution carries UL 508A, CSA C22.2 No. 190, UL 810, and IEEE 18 certifications, demonstrating robust safety and performance standards. By integrating these switches and capacitors, you simplify commissioning while delivering reliable performance under variable load. The product supports wall-mount installation and is designed to fit mid-to-large installations, delivering measurable efficiency gains and easier maintenance. Upgrades or expansions can leverage the same AutoVAR platform for scalable power factor correction and long-term energy cost reductions.
Product Information
Extended Description
125MCSR231W Eaton: Eaton wall mtd, switched cap bank, 240V, 125 kvar 3R
Product Name
Eaton LV AutoVAR 300 capacitor bank
Catalog Number
125MCSR231W
UPC
786685198279
Product Length/Depth
14 in
Product Height
36 in
Product Width
36 in
Product Weight
302 lb
Certifications
UL 508A CSA Std. C22.2 No. 190 UL 810 IEEE Std. 18
Type
AutoVAR
Phase
Three-phase
The AutoVAR 300 capacitor bank combines a three-phase, switched capacitor approach with a rugged wall-mount design to deliver fast reactive power compensation, reducing voltage drop and improving power quality in demanding environments. This translates to lower utility penalties, improved motor efficiency, and longer equipment life—benefits critical to data centers, manufacturers, and process facilities. With a 240V operation and 125 kvar capacity, the unit supports precise tuning of PF correction for diverse load profiles, while its 14 in length and 36 in width/height footprint enable practical installation in restricted spaces. Certifications including UL 508A, CSA, UL 810, and IEEE 18 provide confidence in safety, reliability, and electrical performance. The system integrates seamlessly with Eaton’s LV protection and control ecosystem, enabling straightforward commissioning, inspection, and maintenance. Industry practitioners appreciate the predictable, repeatable performance, reduced energy waste, and cost certainty offered by this capacitor bank.
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FAQs
The 125MCSR231W is a wall-mounted, three-phase switched capacitor bank designed specifically for 240V utility grids. Its compact 14 in L x 36 in W x 36 in H footprint and 302 lb weight support straightforward integration alongside existing Eaton LV equipment, with standard wiring practices for phase-balanced PF correction. The unit’s UL 508A and CSA certifications help ensure compatibility with established electrical codes during installation.
This capacitor bank is UL 508A, CSA C22.2 No. 190, UL 810, and IEEE 18 certified, reflecting compliance with electrical safety, enclosure integrity, and industrial control standards. Certifications matter because they reduce the risk of non-compliant installations, support maintainability under industry expectations, and facilitate smoother approvals in regulated facilities such as manufacturing plants and data centers.
Yes. With 125 kvar capacity and 240V operation, the AutoVAR 300 provides substantial reactive power support to stabilize voltage and improve PF in data centers under variable loads. Its wall-mounted form factor, rigid enclosure ratings, and verified standards alignment (UL 508A, IEEE 18) help meet data center reliability and efficiency requirements while enabling scalable corrections as facility load grows.
Plan for a wall-mounted installation with accessible wiring and space for service clearance. Ensure proper electrical clearances per code, and allocate room for future expansions on the AutoVAR platform. The unit’s 14 in L x 36 in W x 36 in H footprint and 302 lb weight guide mounting choices, while UL/CSA certifications support safe integration into existing control cabinets or switchgear alongside LV components.
Investing in the AutoVAR 300 typically yields quick ROI through reduced energy costs and penalties from improved power factor. Regular maintenance focuses on inspection of connections, enclosure integrity, and performance checks of the capacitor bank. Its compatibility with Eaton’s control ecosystem simplifies monitoring, enabling proactive maintenance and predictable long-term energy savings.