Eaton 900TPHSR431M Switched Capacitor Bank - UL Listed
Part Number: 900TPHSR431M
Quick Summary
Eaton LV AutoVAR 600 capacitor bank provides precise reactive power management for low-voltage electrical systems in industrial facilities. This solution helps you tackle the common challenge of poor power factor, utility penalties, and energy waste across motor drives, HVAC, and process equipment. It carries UL Listed and CSA Certified marks, with 480 V, 60 Hz three-phase compatibility and a floor-mounted NEMA 1 enclosure for safe installation. By delivering scalable correction with 9 x 100 kVAR steps and heavy-duty capacitor cells, it supports reliable operation in demanding environments. The system’s compatibility with AUTOVAR 600 and fused protection delivers a practical balance of performance and maintenance ease, making it a sound procurement choice for plants seeking measurable energy and reliability gains.
Product Information
Extended Description
900TPHSR431M Eaton: AUTOVAR 600 Switched Capacitor Bank, 1083A, 900 kVAR, 9 x 100 step, 480V rating, 60 Hz, Three-phase, Heavy-duty capacitor cells, Floor-mount, KK sized NEMA 1 enclosure, Fused, Low voltage applications, Main Breaker
Product Name
Eaton LV AutoVAR 600 capacitor bank
Catalog Number
900TPHSR431M
UPC
786689282240
Product Length/Depth
27 in
Product Height
80 in
Product Width
41.3 in
Product Weight
1882 lb
Certifications
UL Listed CSA Certified
Type
Switched Capacitor Bank
Amperage Rating
1083A
Frequency rating
60 Hz
Options
Heavy duty capacitor cells
Phase
Three-phase
Voltage rating
480 V
Mounting
Floor
Used with
AUTOVAR 600
Application
Low voltage
Enclosure
NEMA 1
Enclosure size
KK
kVA rating
900 kVAR
Protection
Fuses
Step X kVAR
9 x 100 kVAR
Feature → Business Impact → Application: The 900 kVAR capacity, 1083 A amperage rating, and 9 x 100 kVAR steps enable precise, scalable power-factor correction across varying load profiles, reducing reactive power costs and stabilizing voltage swings in heavy industries. This translates to lower utility penalties and improved motor efficiency in 3-phase 480 V networks. Application: large manufacturing facilities with mixed motor loads and rapid demand fluctuations benefit from granular stepping and robust performance. Feature → Business Impact → Application: Heavy-duty capacitor cells extend service life and withstand demanding environments, reducing maintenance intervals and unscheduled downtime. This supports uptime goals in process-heavy facilities and data centers alike. Application: long-term reliability for critical processes where downtime is costly. Feature → Business Impact → Application: Floor-mounted, NEMA 1 KK enclosure and floor mounting simplify integration into existing plant layouts, enabling safer installation, easier service access, and compliant wiring practices. Application: retrofit projects and new builds with space constraints or strict safety standards. Feature → Business Impact → Application: Fused protection provides clear fault isolation and compatible protection schemes with minimal nuisance tripping, improving overall system resilience. Application: electrical protection plans in manufacturing lines and process plants. Feature → Business Impact → Application: AUTOVAR 600 compatibility ensures seamless integration with existing AutoVAR ecosystems, shortening installation time and reducing engineering effort. Application: upgrades and expansions that require scalable, modular PF correction in 480 V, 60 Hz environments.
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FAQs
The unit is floor-mounted in a NEMA 1 enclosure designed for indoor industrial use. Ensure adequate space for service access, proper ventilation, and clear clearance around the main disconnect fuse. Wiring should follow the 480 V, 60 Hz three-phase specifications and integrate with the existing AUTOVAR 600 system where applicable. Coordinate with local electrical codes and plant safety protocols.
The 900 kVAR rating delivers substantial reactive power correction across peak load periods, while 1083 A capability supports high inrush and dynamic switching events. Together they help stabilize voltage, reduce current in feeders, and minimize utility penalties associated with low power factor in 3-phase networks common to manufacturing facilities.
Yes. The 900TPHSR431M is designed to work with AUTOVAR 600 systems, offering seamless integration, consistent control logic, and streamlined commissioning. This compatibility reduces engineering time and ensures uniform protection schemes across the PF correction stack, whether deploying as a retrofit or as part of a new build.
The unit is UL Listed and CSA Certified, indicating compliance with safety, performance, and reliability standards for electrical equipment. These certifications help satisfy regulatory requirements, support insurance and facility safety programs, and provide assurance to procurement and engineering teams during supplier qualification.
Expect reduced reactive power charges, improved motor efficiency, and more stable voltage profiles, leading to lower operating costs. Maintenance intervals benefit from heavy-duty capacitor cells and fused protection, which enhance reliability and reduce unscheduled downtime. Over time, energy savings and fewer penalties justify the initial capital expenditure in typical industrial settings.