Eaton 550TPHSR431 LV AutoVAR 600 Capacitor Bank - UL Listed
Part Number: 550TPHSR431
Quick Summary
Eaton LV AutoVAR 600 capacitor bank is a power-factor correction solution engineered for 480 V, three-phase industrial power systems. This design helps plants reduce energy waste, improve voltage profiles, and lower system losses. Operators often struggle with utility penalties and motor inefficiencies caused by poor power factor; this unit addresses those pain points with scalable correction. Certifications like UL Listed and CSA Certified underpin safety and compliance in harsh manufacturing environments. By aligning with common Eaton protection practices and offering robust capacitor cells, the AutoVAR 600 delivers reliable performance while supporting maintenance routines and long-term energy cost reductions for industrial facilities.
Product Information
Extended Description
550TPHSR431 Eaton: AutoVAR 600 Capacitor Bank, 662A, 60 Hz, Three-phase, 480V, Fuses, Heavy duty capacitor cells, Power Factor Correction, 11 x 50 kvar, 550 kVAR
Product Name
Eaton LV AutoVAR 600 capacitor bank
Catalog Number
550TPHSR431
UPC
786685924342
Product Length/Depth
40 in
Product Height
86 in
Product Width
48 in
Product Weight
1150 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
Power Factor Correction
Amperage Rating
662A
Frequency rating
60 Hz
Options
Heavy duty capacitor cells
Phase
Three-phase
Voltage rating
480 V
kVA rating
550 KVR
Protection
Fuses
Step X kVAR
11 x 50 kVAR
Eaton Specification Sheet - 550TPHSR431
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: 550 kVAR total correction with 11 x 50 kvar steps. Business Impact: Provides scalable correction to match load changes, reducing reactive power costs and stabilizing voltage. Application: Suitable for large manufacturing floors and distribution networks where load is variable and penalties are possible. Feature: 662 A amperage rating at 480 V, 60 Hz, three-phase operation. Business Impact: Delivers strong current handling with minimal voltage drop, enhancing motor efficiency and extending drive life. Application: Data centers, pump systems, and conveyor lines with high inrush demands. Feature: Heavy duty capacitor cells and protective fuses. Business Impact: Improves reliability and safety, enabling easier field service and longer mean time between failures. Application: Harsh plant environments where grid stability and protection are critical. Feature: UL Listed and CSA Certified. Business Impact: Provides regulatory assurance and supplier reliability, easing procurement audits and compliance scheduling. Application: Plant upgrades and new installs requiring formal certifications. Feature: Dimensions and weight (40 in L × 48 in W × 86 in H, 1150 lb). Business Impact: Predictable footprint supports straightforward installation planning and compatibility with standard mounting provisions. Application: Retrofit projects with predefined space envelopes and weight limits. Insight: The combination of heavy-duty cells, protective fusing, and standardized dimensions aligns with common industrial power correction practices, delivering consistent performance across shifts and ensuring quick commissioning for engineering teams.
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FAQs
Installation involves verifying 480 V three-phase supply, confirming space for the 40 in L × 48 in W × 86 in H footprint, and ensuring proper mounting with rated supports. Connect protection fuses as specified, wire to the bus with appropriate L-N grounding, and integrate with protective relays. Follow installation manuals and Eaton guidelines to ensure UL CSA compliance and safe commissioning.
Key specs include three-phase operation at 480 V, 60 Hz, and an amperage rating of 662 A. The unit provides 550 kVAR total correction with 11 x 50 kvar steps. This configuration supports scalable power factor correction, reduces reactive power charges, and improves voltage stability in industrial loads.
The 550TPHSR431 is designed as a standalone LV AutoVAR capacitor bank with standard three-phase, 480 V, 60 Hz specifications. It integrates with typical Eaton protection schemes and can retrofit into compatible plant layouts. For complex migrations, engineers should verify certified clearances, fusing schemes, and panel space to ensure seamless compatibility and performance.
The unit is UL Listed and CSA Certified, signaling adherence to recognized safety and performance standards. These certifications support procurement audits, reduce risk during installation, and help ensure compliance with electrical codes in industrial facilities, enabling smoother commissioning and ongoing regulatory readiness.
Expect maintenance to focus on protective fuses, capacitor cell integrity, and periodic verification of insulation and connections. The 11 × 50 kvar stepping allows staged optimization to match load profiles, delivering measurable energy cost reductions and improved power quality, contributing to a favorable return on investment over time while aligning with Eaton warranty terms.