Eaton 50MCSR4313 LV AutoVAR - 60A 480V UL Listed
Part Number: 50MCSR4313
Quick Summary
The Eaton LV AutoVAR 300 capacitor bank is an automatic power-factor correction solution for 3-phase 480V systems. Facilities often struggle with rising reactive power charges and voltage fluctuations that impact motor efficiency and equipment life. This product carries UL Listed, CSA Certified, UL 508A, UL 810 and IEEE Std. 18 certifications, underscoring reliability in industrial environments. Designed for wall mounting with a compact footprint, it integrates seamlessly with existing panels while meeting rigorous safety standards. By delivering precisely staged kVAR stepping and robust protection options, it supports energy-management initiatives and ensures regulatory compliance across manufacturing floors, data centers, and process facilities.
Product Information
Extended Description
50MCSR4313 Eaton: Eaton AUTOVAR 300, Automatic Capacitor Banks, 60A, 480V, Three-phase, 50 kVAR, Wall-mounted, 5 x 10, J Frame, Optional molded-case circuit breaker rated 65 kAIC at 480V and 600V, NEMA 3R weatherproofing.
Product Name
Eaton LV AutoVAR 300 capacitor bank
Catalog Number
50MCSR4313
UPC
786685198330
Product Length/Depth
14 in
Product Height
36 in
Product Width
36 in
Product Weight
270 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 UL 508A CSA Std. C22.2 No. 190 UL 810 IEEE Std. 18
Catalog Notes
Other ratings available, please consult factory.
Type
AUTOVAR 300
Amperage Rating
60A
Mounting
Wall
Options
Optional molded-case circuit breaker rated 65 kAIC at 480V and 600V, NEMA 3R weatherproofing.
Phase
Three-phase
Product Category
Automatic Capacitor Banks
Voltage rating
480 V
Frame size
J
Rating
50 kVAR
Step X kVAR
5 x 10 kVAR
Feature → Business Impact → Application: The AutoVAR 300 delivers 60A at 480V in a three-phase configuration with 50 kVAR total rating and 5 x 10 kVAR steps, enabling targeted reactive-power compensation. This translates to measurable energy-cost reductions and improved voltage stability on critical lines in manufacturing plants and distribution centers. Feature → Business Impact → Application: Wall-mounted J-frame enclosure with a 14 in depth by 36 in by 36 in footprint saves valuable floor space and simplifies retrofits in tight electrical rooms, making it ideal for retrofits in facilities with limited footprint. Feature → Business Impact → Application: Optional molded-case circuit breaker rated 65 kAIC at 480V and 600V provides overcurrent protection and simplified integration with existing switchgear, reducing installation time and infrastructure upgrades. Feature → Business Impact → Application: NEMA 3R weatherproofing enables outdoor or semi-outdoor installations, extending service life in variable climates and reducing enclosure costs. Feature → Business Impact → Application: Comprehensive certifications (UL Listed, CSA Certified, UL 508A, UL 810, IEEE 18) ensure compliance with industry standards, facilitating procurement and reducing risk. Feature → Business Impact → Application: The catalog supports other ratings on request, giving design teams flexibility to match site specifications and future scalability.
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FAQs
For installation, ensure wall mounting with adequate clearance for service access and cooling. The unit weighs approximately 270 lb and measures 14 in deep with a 36 in by 36 in footprint, designed for 480V three-phase systems. If outdoor or semi-outdoor use is anticipated, rely on the NEMA 3R weatherproofing and secure mounting. Consider the optional MCCB to integrate with existing protection schemes and verify alignment with local electrical codes (UL 508A, UL 810, CSA).
The AutoVAR 300 delivers 50 kVAR total in 5 x 10 kVAR steps at 60A and 480V, providing staged reactive-power compensation that lowers reactive demand, improves voltage stability, and reduces energy costs. This results in lower utility charges, better motor efficiency, and extended equipment life, making it suitable for high-load facilities like manufacturing lines and data centers.
Yes. The AutoVAR 300 is UL Listed and CSA Certified, with UL 508A, CSA Std. C22.2 No. 190, UL 810, and IEEE Std. 18 compliance. These certifications support safe operation, reliability in industrial environments, and streamline procurement for regulated facilities. Additional factory notes indicate other ratings are available on request.
The standard unit includes 60A, 480V three-phase operation with a 50 kVAR rating and 5 x 10 kVAR steps, mounted on a wall with optional molded-case circuit breaker rated 65 kAIC at 480/600V. It supports NEMA 3R weatherproofing for outdoor use and is compatible with existing switchgear via standard electrical connections. For customized configurations, consult the factory.
Expect rapid payback from reduced reactive power and demand charges, especially in high-load environments. The unit’s modular 5 x 10 kVAR steps allow precise tuning to site conditions, minimizing oversizing and energy waste. Maintenance is typically low, centered on periodic inspection of connections and enclosure integrity; Eaton’s reliability and the UL/CSA certifications help minimize risk and service disruptions.