Eaton 250MCSR431W AutoVAR Capacitor Bank - UL 508A & UL 810
Part Number: 250MCSR431W
Quick Summary
Eaton LV AutoVAR 300 capacitor bank provides precise reactive power management for 480 V industrial systems. This solution addresses the frequent challenge of balancing performance, safety, and ongoing maintenance across expanding facilities. It carries UL 508A, CSA Std. C22.2 No. 190, UL 810, and IEEE Std. 18 certifications, with CSA equivalence, supporting safe installation and dependable operation. With a 250 kvar rating and AutoVAR technology, it delivers predictable power-factor improvement, reduces utility penalties, and simplifies retrofits in established switchgear. Designed for wall-mounted installation, the unit fits standard footprints, helping procurement teams ensure compliance while lowering lifecycle costs and minimizing downtime.
Product Information
Extended Description
250MCSR431W Eaton: Eaton wall mtd, switched cap bank, 480V, 250 kvar 3R
Product Name
Eaton LV AutoVAR 300 capacitor bank
Catalog Number
250MCSR431W
UPC
786685198576
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
Feature: Three-phase AutoVAR capacitor bank for 480 V systems → Business Impact: Delivers rapid, automatic reactive power adjustments that stabilize voltage and power factor, reducing utility penalties and improving overall energy efficiency → Application: Ideal for manufacturing lines and data centers with fluctuating load profiles. Feature: 250 kvar rating in a compact form factor → Business Impact: Achieves required correction without oversizing or complex cage installations, lowering capital expenditure and space requirements → Application: Retrofit projects and greenfield deployments in limited electrical rooms.Feature: Wall-mounted enclosure with 14 in depth and 36 in by 36 in footprint → Business Impact: Facilitates easy integration into existing switchgear spaces with minimal installation disruption → Application: Retrofits in retrofit-ready facilities and new builds with standard wall-mount layouts.Feature: Certifications including UL 508A, CSA Std. C22.2 No. 190, UL 810, IEEE Std. 18 → Business Impact: Ensures compliance with safety, electrical, and performance standards, reducing risk and accelerating project approvals → Application: Compliance-driven projects in manufacturing, process industries, and commercial facilities.Feature: Three-phase operation and 3R enclosure characteristics → Business Impact: Enhances reliability and structural protection in harsh industrial environments, supporting long service life and reduced maintenance → Application: Heavy-duty outdoor-rated or indoor industrial installations where continuous correction is required.Feature: Wall-mount compatibility and standard installation practices → Business Impact: Streamlines procurement and logistics, enabling faster commissioning and easier field service → Application: Facilities upgrading power quality with minimal downtime and straightforward future upgrades.
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FAQs
Yes. The 250MCSR431W is designed for wall-mounted installation in standard 480 V three-phase switchgear, with a 36 in x 36 in footprint and 14 in depth to fit typical industrial rooms. Its UL 508A and UL 810 certifications support safe integration into approved Eaton and non-Eaton panels.
Key certifications are UL 508A, CSA Std. C22.2 No. 190, UL 810, and IEEE Std. 18. These indicate safety, electrical performance, and equipment reliability appropriate for industrial environments and mandated safety programs.
The unit provides 250 kvar of reactive power with AutoVAR control in a three-phase 480 V configuration, enabling automatic, continuous power factor correction suitable for facilities with varying load profiles.
The capacitor bank occupies a 36 in by 36 in footprint, is 14 in deep, and weighs approximately 302 lb, making it compatible with many standard wall-mounted installations and allowing straightforward handling during installation.
AutoVAR continuously tunes reactive power to maintain target power factor, reducing utility penalties, lowering energy waste, and shortening downtime associated with manual capacitor adjustments, delivering measurable lifecycle cost savings.