Eaton 400TPHSR231W Switched Capacitor Bank - UL Listed
Part Number: 400TPHSR231W
Quick Summary
Eaton 400TPHSR231W Switched Capacitor Bank is designed to correct voltage and improve power factor in low-voltage three-phase systems. Engineers confront reactive power penalties, voltage fluctuations, and space-intensive installs that complicate commissioning and ongoing maintenance. UL Listed and CSA Certified provide regulatory confidence, while the NEMA 3R, KK enclosure and heavy-duty capacitor cells deliver rugged reliability in harsh environments. This solution supports robust low-voltage power-factor correction campaigns and scales with AUTOVAR 600, delivering measurable efficiency gains and lower energy costs.
Product Information
Extended Description
400TPHSR231W Eaton: AUTOVAR 600 Switched Capacitor Bank, 965A, 400 kVAR, 8 x 50 step, 240V rating, 60 Hz, Three-phase, Heavy-duty capacitor cells, Floor-mount, KK sized NEMA 3R enclosure, Fused, Low voltage applications
Product Name
Eaton LV AutoVAR 600 capacitor bank
Catalog Number
400TPHSR231W
UPC
786685992662
Product Length/Depth
29 in
Product Height
80 in
Product Width
80.4 in
Product Weight
1624 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
965A
Frequency rating
60 Hz
Options
Heavy duty capacitor cells, NEMA 3R enclosure
Phase
Three-phase
Voltage rating
240V
Mounting
Floor
Used with
AUTOVAR 600
Application
Low voltage
Enclosure
NEMA 3R
Enclosure size
KK
kVA rating
400 kVAR
Protection
Fuses
Step X kVAR
8 x 50 kVAR
Feature: 965 A amperage rating with a 400 kVAR kVA rating at 240 V and 60 Hz. Business Impact: Enables rapid reactive power correction for heavy-duty industrial loads, reducing overall energy costs and minimizing voltage drop in three-phase systems. Application: Suitable for manufacturing floors and data centers requiring precise PF control without oversizing the solution. Feature: 8 x 50 kVAR step capability. Business Impact: Provides fine-grained, programmable reactive power management to match load profiles, improving stability and reducing penalties from utility tariffs. Application: Ideal for facilities with highly variable loads or seasonal demand changes. Feature: Heavy-duty capacitor cells. Business Impact: Extends life expectancy, lowers maintenance frequency, and improves long-term total cost of ownership. Application: Harsh plant environments where reliability and uptime are critical. Feature: Enclosure and mounting: NEMA 3R floor-mounted KK enclosure. Business Impact: Enhances operator safety, weather and dust protection, and simplifies on-site installation in industrial spaces. Application: Floor installations in manufacturing and processing facilities. Feature: Fused protection. Business Impact: Improves fault tolerance and protects downstream equipment, reducing unplanned downtime. Application: Systems requiring integrated overcurrent protection for safety and reliability. Feature: Compatibility with AUTOVAR 600. Business Impact: Streamlines integration with existing VAR/VAR-based power-factor correction architectures, accelerating project timelines. Application: Utilities, data centers, and heavy industry deployments adopting AUTOVAR 600.
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FAQs
This unit is designed for floor mounting in a NEMA 3R KK enclosure, with fused protection and heavy-duty capacitor cells. Plan clearances for safe maintenance access, proper wiring to a 240V, three-phase supply, and integration with AUTOVAR 600 control logic. Ensure compatibility with existing electrical rooms and confirm torque/spec compliance per Eaton guidelines.
The 965 A current rating at 240 V enables rapid reactive power compensation to reduce voltage sag and improve power factor. The 400 kVAR capacity supports sizable industrial loads, delivering measurable energy-cost savings and better efficiency across peak and off-peak periods, especially when combined with step control (8 x 50 kVAR) for fine-tuning.
Yes. The unit is designed for low-voltage, three-phase applications and features a NEMA 3R floor-mounted enclosure for robust indoor use. Its 8 x 50 kVAR stepping allows precise PF management across varying load profiles, making it a strong choice for manufacturing lines, processing plants, and data centers seeking reliable power quality.
The product is UL Listed and CSA Certified, indicating compliance with established electrical safety and performance standards. The NEMA 3R enclosure supports rugged indoor/outdoor-like environments, and the unit is designed to work with AUTOVAR 600 in low-voltage power-factor correction schemes.
Warranty terms include one year from installation or eighteen months from shipment. The fused protection and heavy-duty capacitor cells reduce maintenance frequency and downtime, while modular 8 x 50 kVAR steps support ongoing optimization of PF and energy cost savings. When paired with a planned maintenance schedule, the system delivers predictable ROI over the asset life.