Eaton 175MCSR431MW AutoVAR Capacitor Bank - UL 508A
Part Number: 175MCSR431MW
Quick Summary
Eaton 175MCSR431MW AutoVAR capacitor bank provides efficient reactive power management for industrial facilities. This three-phase, wall-mounted unit helps address rising energy costs caused by poor power factor and inconsistent compensation. UL 508A, CSA Std. C22.2 No. 190, UL 810, and IEEE Std. 18 certifications underpin safety, reliability, and compliance in demanding environments. By delivering precise kvar control and straightforward installation, it supports improved power quality, reduced demand charges, and easier maintenance, while aligning with facility retrofit programs and energy-services objectives.
Product Information
Extended Description
175MCSR431MW Eaton: Eaton wall mtd, switched cap bank, 480V, 175 kvar 400 cb and 3R
Product Name
Eaton LV AutoVAR 300 capacitor bank
Catalog Number
175MCSR431MW
UPC
786685198637
Product Length/Depth
14 in
Product Height
60 in
Product Width
36 in
Product Weight
330 lb
Certifications
UL 508A CSA Std. C22.2 No. 190 UL 810 IEEE Std. 18
Type
AutoVAR
Phase
Three-phase
The AutoVAR technology is designed to automatically adjust reactive power in response to system conditions, reducing utility penalties and improving voltage stability. This translates to measurable business outcomes such as lower energy costs, enhanced equipment efficiency, and reduced thermal stress on motors and transformers. In practical terms, the unit supports reliable PF correction for critical loads like pumps, fans, and conveyors, delivering faster commissioning and scalable kvar control. The wall-mounted design simplifies retrofit projects, minimizes space requirements, and accelerates integration with existing switchgear, panels, and Eaton control accessories. With a 480V, three-phase rating and a 175 kvar capacity, installers can achieve precise compensation without over-sizing, improving system reliability and reducing spare-part inventory. The unit’s robust UL 508A, CSA, UL 810, and IEEE 18 compliance helps ensure ongoing protection against electrical faults and maintenance costs, providing peace of mind for operations in harsh environments. Compatibility with common protection relays and switchgear makes field wiring straightforward, reducing installation time and labor cost while maintaining high standards for safety and performance.
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FAQs
The 175MCSR431MW is designed for wall-mounted installation in standard 480V three-phase systems. Its dimensions (14 in D, 36 in W, 60 in H) and weight (approximately 330 lb) simplify retrofit into crowded switchgear. Ensure proper clearance, accessible wiring, and adherence to UL 508A guidelines during mounting and wiring, using compatible Eaton accessories for a clean, code-compliant installation.
This AutoVAR capacitor bank provides up to 175 kvar of reactive power at 480V in a three-phase configuration. It automatically tunes capacitor output to system needs, reducing kVAR penalties and improving voltage profiles across the load. Suitable for motors, pumps, and HVAC, it delivers measurable efficiency gains and steadier PF under varying load conditions.
Yes, the unit is designed for industrial applications demanding consistent PF correction and reliability. While primarily a PF correction device, it is built to operate within regulated environments and complies with UL 508A, CSA, UL 810, and IEEE 18 standards to maintain performance under diverse operating conditions and to support critical load stability.
The 175MCSR431MW carries UL 508A, CSA Std. C22.2 No. 190, UL 810, and IEEE Std. 18 certifications. These approvals verify electrical safety, protection against faults, and performance under electrical noise and transients. For regulated facilities and contract requirements, these certifications help pass audits, ensure safe operation, and simplify procurement through recognized industry standards.
Expect improved energy efficiency and reduced demand charges from precise reactive power management, contributing to shorter payback periods in retrofit projects. Regular inspection of connections, enclosure integrity, and capacitor health (as part of standard electrical maintenance) is advised; UL/CSA/IEEE certifications support ongoing compliance and predictable maintenance cycles, reducing unexpected downtime.