Eaton 100MCSR4313MW AutoVAR capacitor bank - UL 508A
Part Number: 100MCSR4313MW
Quick Summary
Eaton LV AutoVAR 300 capacitor bank is a three-phase power-factor correction solution for industrial plants at 480V. Poor power quality and rising energy costs from lagging reactive power compensation can disrupt equipment and erode margins. UL 508A, CSA Std. C22.2 No. 190, and UL 810 validate safety, reliability, and electrical integrity in harsh environments. This capacitor bank is designed for wall-mounted installation, offering 100 kvar capacity with automatic VAR control to deliver ongoing efficiency gains and cost reductions.
Product Information
Extended Description
100MCSR4313MW Eaton: Eaton wall mtd, switched cap bank, 480V, 100 kvar 250 cb and 3R
Product Name
Eaton LV AutoVAR 300 capacitor bank
Catalog Number
100MCSR4313MW
UPC
786685198613
Product Length/Depth
14 in
Product Height
60 in
Product Width
36 in
Product Weight
280 lb
Certifications
UL 508A CSA Std. C22.2 No. 190 UL 810 IEEE Std. 18
Type
AutoVAR
Phase
Three-phase
Feature: 100 kvar switched capacitor bank designed for 480V three-phase systems. Business Impact: Reduces reactive power demand, improves power factor, and lowers utility penalties associated with poor PF. Application: Ideal for manufacturing lines, HVAC motors, and heavy pump drives in industrial facilities. Feature: AutoVAR automatic VAR control. Business Impact: Continuously optimizes reactive power, reducing manual tuning and maintenance while stabilizing voltage profiles. Application: Suitable for environments with fluctuating loads and diverse motor loads. Feature: Wall-mounted cabinet with a compact footprint (14 in depth, 60 in height, 36 in width) and a 280 lb weight. Business Impact: Simplifies retrofits and minimizes space disruption in crowded electrical rooms. Application: retrofit projects and new installations in plant floor or utility rooms. Feature: Certifications including UL 508A, CSA Std. C22.2 No. 190, and UL 810. Business Impact: Ensures compliance and risk mitigation for regulated industries. Application: use in facilities requiring strong safety and electrical integrity standards. Feature: Three-phase 480V operation with 100 kvar capacity. Business Impact: Supports voltage stabilization and energy efficiency across motor-driven processes. Application: manufacturing, processing, and automation-heavy environments. Feature: 3R enclosure context and wall-mount design. Business Impact: Enclosure protection and accessible installation improve long-term reliability and serviceability. Application: indoor electrical rooms and protected outdoor installations under appropriate conditions.
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FAQs
The 100MCSR4313MW is designed for wall-mounted installation in 480V three-phase networks. Plan the layout to minimize cable lengths to reduce reactive losses, ensure proper clearances for ventilation, and follow UL 508A wiring practices. Verify cabinet mounting suitability (3R) and use appropriate lugs and connectors rated for 480V. A qualified electrician should perform the initial commissioning, including setting AutoVAR control parameters and confirming correct phase connections.
Expect automatic VAR compensation to stabilize voltage and improve power factor under motor and compressor loads typical in industrial facilities. With a 100 kvar rating, the unit reduces reactive demand, lowers utility penalties, and supports energy-efficient operation across peak and off-peak periods. The system is engineered for reliable operation in three-phase 480V environments with appropriate protection devices per UL 508A standards.
Yes. The wall-mounted AutoVAR 300 can retrofit spaces with limited footprint, using 14 in depth, 36 in width, and 60 in height. Its 3R enclosure supports indoor installation with manageable service access. Before retrofit, assess existing switchgear clearances, wiring routes, and voltage compatibility. The unit’s 100 kvar capacity accommodates motor load growth while minimizing downtime during installation.
The 100MCSR4313MW carries UL 508A for industrial control panels, UL 810 for electrical equipment, and CSA Std. C22.2 No. 190, confirming safety and electrical integrity. IEEE 18 compatibility is also noted in certification references. These approvals help ensure regulatory compliance, safer operation, and smoother procurement for regulated industries such as manufacturing and processing facilities.
By improving power factor and reducing reactive power demand, the AutoVAR 300 lowers energy losses and utility penalties, enabling a faster return on investment. In facilities with heavy motor loads, the 100 kvar capacity provides meaningful efficiency gains, often offsetting capital costs through energy cost savings and reduced peak demand charges over time.