Eaton 250TPHSR431M Switched Capacitor Bank - UL Listed
Part Number: 250TPHSR431M
Quick Summary
Eaton LV AutoVAR 600 capacitor bank provides scalable reactive power support for low-voltage, three-phase systems. This solution helps engineers address rising voltage sags, poor power factor, and escalating utility charges during peak loads. UL Listed and CSA Certified, it also features a durable NEMA 1 floor-mount enclosure, an integrated main breaker, and fuse protection for safe operation in industrial environments. Designed for low-voltage applications, this capacitor bank aligns with AUTOVAR 600 systems to optimize facility power quality while delivering reliable, long-term cost savings for manufacturing, data centers, and other energy-intensive operations.
Product Information
Extended Description
250TPHSR431M Eaton: AUTOVAR 600 Switched Capacitor Bank, 300A, 250 kVAR, 5 x 50 step, 480V rating, 60 Hz, Three-phase, Heavy-duty capacitor cells, Floor-mount, L sized NEMA 1 enclosure, Fused, Low voltage applications, with Integrated main breaker
Product Name
Eaton LV AutoVAR 600 capacitor bank
Catalog Number
250TPHSR431M
UPC
786685992297
Product Length/Depth
29 in
Product Height
80 in
Product Width
41.3 in
Product Weight
725 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Certifications
UL Listed CSA Certified
Type
Switched Capacitor Bank
Amperage Rating
300 A
Frequency rating
60 Hz
Options
Integrated main breaker
Phase
Three-phase
Voltage rating
480 V
Mounting
Floor
Used with
AUTOVAR 600
Application
Low voltage
Enclosure
NEMA 1
Enclosure size
L
kVA rating
250 kVAR
Protection
Fuses
Step X kVAR
5 x 50 kVAR
Feature → Business Impact → Application: The 250TPHSR431M delivers 250 kVAR in a 480 V, 60 Hz, three-phase design, enabling precise reactive power compensation to improve power factor and reduce demand charges across varied loads. This translates to lower energy costs and improved system efficiency in manufacturing lines and heavy equipment facilities, while maintaining stable voltage profiles. Feature → Business Impact → Application: Five 50 kVAR steps (5 x 50 kVAR) provide fine-grained control over compensation, smoothing voltage fluctuations and reducing harmonic distortion, which is critical for sensitive motors and drives in process industries. Feature → Business Impact → Application: Integrated main breaker with fuse protection simplifies electrical protection and reduces installation time, decreasing total project cost and improving safety during commissioning in new builds or retrofits. Feature → Business Impact → Application: Floor mounting in a spacious L-size NEMA 1 enclosure offers robust protection in busy switchgear rooms, enabling straightforward retrofits and dependable maintenance access for ongoing reliability in automotive, packaging, and material handling facilities. Feature → Business Impact → Application: UL Listed and CSA Certified components assure regulatory compliance and procurement confidence, smoothing supplier qualification for automotive and industrial automation projects while supporting warranty coverage and risk management. Feature → Business Impact → Application: Compatibility with AUTOVAR 600 ecosystems ensures scalable integration within existing power quality strategies, enabling phased capacity expansion as facility loads evolve and energy performance targets tighten.
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FAQs
The 250TPHSR431M is designed to work with AUTOVAR 600 as a compatible switched capacitor bank. It features a floor-mounted, NEMA 1 enclosure, three-phase 480 V operation, and an integrated main breaker for seamless integration. For retrofit projects, verify space and protection clearances, then connect per existing AUTOVAR 600 wiring diagrams to enable scalable reactive power control.
Key specs include 300 A amperage rating, 250 kVAR kVA rating, 480 V voltage, 60 Hz frequency, and three-phase configuration. The device uses 5 x 50 kVAR stepping for fine-tuned compensation and provides fuse protection with an integrated main breaker, all housed in a floor-mount NEMA 1 enclosure.
Yes. It targets low-voltage industrial environments requiring reliable reactive power compensation, such as manufacturing lines, conveyors, and process equipment. Its 480 V, 60 Hz rating, three-phase design, and durable NEMA 1 enclosure make it well-suited for floor-mounted installations in controlled industrial spaces.
The 250TPHSR431M is UL Listed and CSA Certified, providing safety and regulatory assurance. These certifications facilitate procurement within regulated industries and support compliance documentation for plant electrical systems and safety programs.
Expected ROI comes from improved power factor, reduced utility penalties, and lower energy costs due to more efficient motor and drive operation. The integrated main breaker and fuse protection simplify maintenance, while the robust enclosure and standard components support long-term reliability with minimal downtime.