Eaton 250MCSR431M Capacitor - UL 508A Certified
Part Number: 250MCSR431M
Quick Summary
Eaton LV AutoVAR 300 capacitor bank provides reliable reactive power management for medium to large industrial plants. For engineers facing voltage instability and rising energy costs, the AutoVAR 300 offers fast, automatic VAR control to minimize reactive power penalties and improve power factor. Key certifications include UL 508A, CSA Std. C22.2 No. 190, UL 810, and IEEE Std. 18, providing confidence for panel builders, integrators, and end users. From installation to long-term maintenance, the unit’s wall-mounted design, 480 V rating, and 250 kvar bank streamline procurement, commissioning, and spare-part compatibility across legacy and modern switchgear. This combination delivers measurable business value through improved efficiency, reduced demand charges, and easier compliance reporting.
Product Information
Extended Description
250MCSR431M Eaton: Eaton wall mtd, switched cap bank, 480V, 250 kvar 600 cb
Product Name
Eaton LV AutoVAR 300 capacitor bank
Catalog Number
250MCSR431M
UPC
786685198484
Product Length/Depth
14 in
Product Height
60 in
Product Width
36 in
Product Weight
367 lb
Certifications
UL 508A CSA Std. C22.2 No. 190 UL 810 IEEE Std. 18
Type
AutoVAR
Phase
Three-phase
AutoVAR technology enables automatic reactive power control on a 480 V three-phase network, delivering precise VAR titration and stable voltage. This business impact is a lower total energy cost, improved power factor, and reduced demand charges, which directly affect monthly utility bills. In practice, it excels in panel builds and switchgear assemblies where rapid compensation is needed during load fluctuations in manufacturing lines and data centers. UL 508A, CSA Std. C22.2 No. 190, UL 810, and IEEE Std. 18 certifications provide a compliance framework for design, installation, and maintenance. The business impact is lower procurement risk and smoother regulatory audits. Applications include new installations, retrofits, and expansions in industrial environments where OEM panels must meet strict electrical codes. Wall-mounted 480 V, 14 in depth, 36 in width, 60 in height footprint simplifies installation in constrained spaces while maintaining service accessibility. The impact: faster commissioning and easier service logistics; it reduces space conflict with other equipment. Applications: panel-mounted deployments in machine rooms and switchgear housings. 250 kvar rating means substantial reactive power compensation for mid-to-large loads; with three-phase arrangement, correction is balanced across phases, supporting large motor loads, pumps, and compressors. Durable construction and standardized Eaton components reduce spare parts inventory and simplify maintenance planning, while compatibility with the Eaton LV AutoVAR family enables scalable upgrades as system demands grow.
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FAQs
Plan for a 480 V three-phase supply and a wall-mounted installation with a footprint of 14 in (depth) x 36 in (width) x 60 in (height). Ensure adequate clearance for service access, attach to a suitable enclosure, and account for a 367 lb unit weight. Verify UL 508A compliance during panel fabrication and wiring, and coordinate with a licensed electrician for proper bus connections and protective devices.
Yes, it is designed for panel-mounted installations in 480 V three-phase systems and aligns with Eaton LV AutoVAR line. Before retrofit, confirm the enclosure can accommodate the 14 x 36 x 60 inch footprint and 367 lb weight, and ensure the control wiring and protection schemes match the existing switchgear and related protections.
The unit carries UL 508A, CSA Std. C22.2 No. 190, UL 810, and IEEE Std. 18 certifications, supporting mainstream electrical design, panel assembly, and safety compliance in industrial environments.
Expect improved power factor, reduced reactive power drawing, and potential lower demand charges. Automatic VAR control stabilizes voltage under varying loads, enhancing energy efficiency and reducing utility penalties in manufacturing, processing, and data-center environments.
Three-phase, 480 V operation with a 250 kvar rating. Physical dimensions are 14 in (depth) x 36 in (width) x 60 in (height) and a weight of 367 lb. Catalog number is 250MCSR431M with UPC 786685198484. Mounting: wall-mounted capacitor bank suitable for 480 V distribution panels.