Eaton 660TPCSR631M AutoVAR capacitor bank - UL 508A
Part Number: 660TPCSR631M
Quick Summary
The Eaton 660TPCSR631M AutoVAR capacitor bank is a core solution for reliable reactive power management in medium to large motor and HVAC installations. Engineers frequently face space constraints, wiring complexity, and inconsistent power factor when expanding capacitor banks mid-project. This unit carries UL 508A, CSA Std. C22.2 No. 190, UL 810, and IEEE Std. 18 certifications, underscoring safety, performance, and compliance. By enabling automatic VAR control and scalable capacity, it supports energy efficiency initiatives while simplifying installation and maintenance planning. In practice, this translates to lower energy costs, reduced penalties from utilities, and a more predictable project timeline for industrial automation programs.
Product Information
Extended Description
660TPCSR631M Eaton: Eaton AUTO CAP BANK, FLR MTD, 600V, 660 KVAR W/1000 AMP CB
Product Name
Eaton LV AutoVAR 600 capacitor bank
Catalog Number
660TPCSR631M
UPC
786685376066
Product Length/Depth
26.25 in
Product Height
78 in
Product Width
38.5 in
Product Weight
1085 lb
Certifications
UL 508A CSA Std. C22.2 No. 190 UL 810 IEEE Std. 18
Type
AutoVAR
Phase
Three-phase
Feature: AutoVAR control technology provides automatic voltage and reactive power management within a single cabinet. Business Impact: Reduces manual tuning, stabilizes voltage levels, and improves overall power factor, which lowers utility penalties and enhances equipment efficiency. Application: Ideal for motor drives and HVAC systems in manufacturing facilities seeking consistent power quality. Feature: 600 V, 660 KVAR capacity with a 1000 A circuit breaker. Business Impact: Supports large loads without expanding bank count, enabling scalable energy storage and fewer balance concerns. Application: Large industrial plants, data centers, and process industries needing robust three-phase capacitor support. Feature: UL 508A, CSA Std. C22.2 No. 190, UL 810, IEEE Std. 18 certifications. Business Impact: Ensures regulatory compliance, personnel safety, and reliability in harsh environments, reducing project risk. Application: Retrofit projects and new builds that must meet rigorous industrial standards. Feature: Compact footprint and rugged construction. Business Impact: Eases panel space planning and simplifies retrofits in tight electrical rooms, while withstanding demanding plant conditions. Application: Upgrades in existing facilities where cabinet depth and height are constrained. Feature: Compatibility with standard distribution hardware and wiring schemes. Business Impact: Shortens commissioning time and lowers installation costs by minimizing bespoke hardware. Application: New automation installations and expansion projects in manufacturing and processing facilities. Feature: Maintenance-friendly design and diagnostics readiness. Business Impact: Improves uptime with easier fault isolation and routine checks, delivering measurable total cost of ownership savings. Application: Continuous operation environments such as continuous manufacturing lines and critical HVAC loops.
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FAQs
Installers should verify cabinet clearance, ensure adequate venting, and plan for proper cable routing to minimize heat buildup. Use dedicated feeders and a compliant bus arrangement to avoid cross-coupled noise. Confirm mounting compatibility with standard distribution hardware and schedule a pre-installation wiring check to ensure correct phase sequencing and breaker coordination for a seamless retrofit.
The 660 KVAR rating supports substantial reactive power compensation, improving power factor and reducing current draw under full-load conditions. Expect noticeable reductions in line current and utility penalties when properly tuned with AutoVAR control. For best results, align capacitor sequencing with load profiles and maintain balanced phase loading to avoid overcompensation.
Yes. UL 508A ensures electrical panel safety standards, CSA confirms compliance with Canadian and international norms, UL 810 covers electrical construction for equipment, and IEEE 18 addresses capacitor banks and harmonic concerns. Together they provide a robust safety and performance framework for industrial automation and power quality projects.
Regular maintenance should include visual inspection for signs of overheating or corrosion, insulation checks, and verification of current and voltage readings against expected values. Scheduled capacitor health checks and periodic breaker tests help prevent unexpected faults. The AutoVAR system eases maintenance by providing diagnostics and simplifying fault isolation within the control logic.
ROI hinges on load profiles, energy tariffs, and current power factor. By correcting reactive power where losses are most significant, utilities penalties drop and motor efficiency improves. Typical projects see accelerated payback with improved power factor, reduced conductor loading, and lower cooling loads due to stabilized system voltages, especially in large motor and HVAC applications.