Eaton 150MCSR631W AutoVAR capacitor bank - UL 508A/IEEE 18
Part Number: 150MCSR631W
Quick Summary
Eaton 150MCSR631W AutoVAR capacitor bank is a three-phase reactive power solution for industrial power systems. This high-capacity unit helps stabilize voltages and manage power factor where large motor loads are present. Facility teams struggle with voltage dips, energy penalties, and space constraints when expanding VAR support. The product carries UL 508A and CSA certifications for electrical safety, UL 810 enclosure protection, and IEEE 18 performance standards, ensuring reliable operation in harsh environments. By integrating this wall-mounted bank, you gain scalable reactive power control, improved efficiency, and easier compliance reporting. Secondary benefits include streamlined procurement and consistent maintenance across Eaton equipment, supporting uptime and total-cost-of-ownership goals.
Product Information
Extended Description
150MCSR631W Eaton: Eaton Switched capacitor bank, wall mtd, 600V, 150 kvar 3R
Product Name
Eaton LV AutoVAR 300 capacitor bank
Catalog Number
150MCSR631W
UPC
786685199061
Product Length/Depth
16 in
Product Height
46 in
Product Width
38 in
Product Weight
320 lb
Certifications
UL 508A CSA Std. C22.2 No. 190 UL 810 IEEE Std. 18
Type
AutoVAR
Phase
Three-phase
AutoVAR technology provides dynamic reactive power control that matches load in real time, reducing line currents and improving power factor. This leads to lower utility kVAR penalties and reduced heating in switchgear, extending equipment life. In manufacturing lines with variable motor loads, the bank maintains voltage stability and smooth operation during startup and peak demand. Wall-mounted design and 600V rating simplify integration into existing electrical rooms, minimizing space and wiring complexity while delivering safe, accessible maintenance. The 150 kvar, three-phase configuration delivers robust VAR support for large motor loads, improving voltage profiles across feeders and allowing smaller feeders or transformers to operate closer to rated capacity. Certifications UL 508A, CSA Std. C22.2 No. 190, UL 810, and IEEE Std. 18 confirm electrical safety, enclosure integrity, and performance for harsh industrial environments, aiding compliance reporting. With a footprint of 38 in width, 46 in height, and 16 in depth, the unit fits standard wall-mounted racks and electrical rooms, reducing retrofit and commissioning time. Documentation and factory testing further streamline field installation and handover, delivering predictable performance and lower project risk.
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FAQs
This unit is designed as a wall-mounted capacitor bank with a footprint of 38 in wide by 46 in high and 16 in depth, weighing 320 lb. Plan clearances for service access and appropriate mounting hardware in the electrical room. Its wall-mount configuration simplifies installation within existing control panels and electrical enclosures.
AutoVAR continuously adjusts reactive power to match load changes, improving power factor and reducing currents in feeders. The result is lower utility kvar penalties, reduced conductor heating, and potential energy savings. It also supports smoother motor starts and less voltage dip during peak demand events.
Yes. The capacitor bank carries UL 508A and CSA Std. C22.2 No. 190 certifications for electrical safety, UL 810 for enclosure protection, and IEEE Std. 18 compliance for performance. These certifications support audit readiness, safe operation in industrial environments, and ongoing regulatory compliance.
Ideal for manufacturing floors, processing facilities, and HVAC systems with substantial motor loads, the 150MCSR631W provides robust VAR support to stabilize voltage profiles across feeders. It helps maintain consistent motor performance, reduces line current, and supports scalable power-factor correction as plant loads evolve.
A dedicated Eaton specification sheet is available for download, detailing installation guidance, wiring, and commissioning steps. Field support and warranty considerations are provided through Eaton, along with ongoing access to technical resources and product updates to aid maintenance and future upgrades.