Eaton 900THFSR432M LV AutoVAR Filter - UL Listed
Part Number: 900THFSR432M
Quick Summary
Eaton 900THFSR432M LV AutoVAR filter delivers automatic capacitor bank control for 480 V three-phase power in industrial facilities. This approach helps reduce harmonic-induced heat, minimize energy waste, and simplify var management in challenging electrical environments. UL Listed and CSA Certified offer safety and reliability confidence, while the unit’s three-phase, 60 Hz operation aligns with standard plant power. For designers and maintenance teams, the integrated enclosure details—NEMA 1, powder-coated carbon steel, and floor mounting—support durable installations in harsh environments. The 900 kVAR rating and 9 × 100 kVAR steps provide scalable correction for motors, pumps, and HVAC loads while maintaining system stability.
Product Information
Extended Description
900THFSR432M Eaton: Eaton AUTOVAR Filter, Automatic Capacitor Banks, 4.7 Detuned Reactors, 480V, 900 kVAR, Floor-mounted, 9 x 100, KK+KK Frame, NEMA 1, Main Breaker
Product Name
Eaton LV AutoVAR filter
Catalog Number
900THFSR432M
UPC
786689282127
Product Length/Depth
38 in
Product Height
86 in
Product Width
180 in
Product Weight
3900 lb
Certifications
UL Listed CSA Certified
Type
AUTOVAR Filter
Accessories
molded-case circuit breaker rated 65 kAIC
Frequency rating
60 Hz
Mounting
Floor
Phase
Three-phase
Product Category
Switched Capacitor Banks
Tuning
4.7H
Voltage rating
480 V
Enclosure
NEMA 1
Enclosure material
Powder coated carbon steel
Enclosure size
KK + KK
Rating
900 kVAR
Step X kVAR
9 x 100 kVAR
Eaton Specification Sheet - 900THFSR432M
Selling Policy 25-000 - Distribution and Control Products and Services
Feature: Automatic capacitor banks with 4.7 H detuned reactors provide targeted reactive power support while minimizing resonance. Business Impact: Enhances power factor, reduces voltage fluctuations, and lowers peak demand charges. Application: Ideal for 480 V three-phase facilities needing stable auxiliary power and robust harmonic control in floor-mounted, NEMA 1 enclosures. Feature: Integrated protection with a main breaker and molded-case breaker rated at 65 kAIC improves safety and fault isolation. Business Impact: Reduces downtime risk and simplifies maintenance planning across critical lines. Application: Fits KK+KK frame switchgear configurations in industrial automation and manufacturing environments. Feature: 900 kVAR total rating with 9 × 100 kVAR steps enables scalable VAR compensation. Business Impact: Allows precise adjustment to dynamic loads from motors and HVAC, improving energy efficiency and system stability. Application: Suitable for facilities with variable demand profiles and evolving load requirements. Feature: Rugged enclosure and build quality—NEMA 1, powder-coated carbon steel, floor mounting—support durable, long-life operation. Business Impact: Minimizes corrosion risk and simplifies on-site installation in harsh plant floors. Application: Industrial plants requiring reliable, hands-off operation and simplified commissioning. Feature: Certifications and compliance—UL Listed and CSA Certified—provide regulatory alignment for procurement and audits. Business Impact: Accelerates approvals, reduces vendor risk, and supports global deployment. Application: Critical in controlled environments across manufacturing, processing, and distribution sectors.
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FAQs
Plan for a floor-mounted installation in a KK+KK frame, NEMA 1 enclosure, and 38 in depth with 86 in height and 180 in width. Ensure adequate clearance for service access and cooling, and verify 60 Hz supply and 480 V phasing. The unit includes a molded-case breaker option for safe startup and maintenance access.
Core specs include 480 V three-phase operation at 60 Hz, 900 kVAR rating with 9 × 100 kVAR steps, and 4.7 H detuned reactors. Enclosure is floor-mounted NEMA 1 with a KK + KK frame. The system supports molded-case breaker protection rated up to 65 kAIC.
Yes. The 900THFSR432M is UL Listed and CSA Certified, providing validated safety and reliability for industrial distribution equipment. These certifications support procurement, installation approvals, and ongoing regulatory audits in manufacturing, processing, and distribution facilities.
By delivering precise VAR control, the AutoVAR filter reduces reactive power costs and improves power factor, which lowers demand charges. The robust NEMA 1 enclosure and floor mounting simplify installation, while the integrated protection reduces downtime risk. Routine maintenance is minimized due to factory-assembled components and standardized protections.
The 900THFSR432M is designed for compatibility with KK+KK frame configurations and can integrate with molded-case circuit breakers rated at 65 kAIC. Its three-phase, 480 V, 60 Hz rating aligns with common plant equipment, enabling straightforward coordination with existing Eaton or third-party motor controls and switchgear assemblies.