Eaton ES-727220-4 Panel Enclosures - NEMA 4
Part Number: ES-727220-4
Quick Summary
Eaton ES-727220-4 panel enclosures deliver rugged, weather-resistant protection for electrical gear in harsh industrial environments. Maintenance teams often face corrosion, compromised seals, and access challenges during install and service, which can drive downtime and cost. UL 508A and NEMA 4 ratings provide safety and outdoor performance, while the carbon steel body with 12-gauge walls and closed-cell neoprene gasket resist harsh conditions. Designed for ground mounting with a hinged cover and a large double door, this ES4 enclosure integrates smoothly with Eaton's B-Line series for reliable, scalable infrastructure in manufacturing, utilities, and data center support.
Product Information
Extended Description
ES-727220-4 Eaton: Eaton B-Line series ground mounted panel enclosure, 72" height, 20" length, 72" width, NEMA 4, Hinged cover, ES4 enclosure, Ground mount, Large double door, No mounting provisions, Carbon steel, Closed cell neoprene gasket
Product Name
Eaton B-Line series type 4 panel enclosures
Catalog Number
ES-727220-4
UPC
782051383553
Product Length/Depth
20 in
Product Height
72 in
Product Width
72 in
Product Weight
613.3 lb
Certifications
UL 508A NEMA
Material
Carbon steel
Wall thickness
12 gauge
Finish color
Painted
Color
ANSI 61 gray
Style
Large double door
Model
ES4 enclosure
Cover type
Hinged
Mounting method
Ground
Mounting hole details
No mounting provisions
Locking provisions
Key lock padlock provision
Closure type
Hinged
Special features
3-pt latching handle
NEMA Rating
4
Country of origin
US
Durable protection begins with a 12-gauge carbon steel enclosure finished in ANSI 61 gray. The 72 in tall, 72 in wide, and 20 in deep footprint delivers substantial internal volume yet remains compatible with standard mounting practices. The hinged cover, large double doors, and 3-pt latching handle reduce maintenance time and improve security, while a key lock padlock provision adds optional protection against tampering. Weather resistance and corrosion control are built in through a closed-cell neoprene gasket and painted carbon steel. This combination minimizes water ingress and paint deterioration in outdoor or washdown environments, lowering maintenance frequency, extending service life, and protecting critical electrical components. In practice, operators see fewer faulted panels and longer intervals between field service visits, which translates to lower total cost of ownership. Mounting method is ground-based, with no mounting provisions required in the field, simplifying site preparation and installation. The enclosure's dimensions align with common footprint guidelines for process-control rooms and external substations, while compatibility with Eaton B-Line accessories ensures seamless integration with existing infrastructure. The 613.3 lb weight indicates a robust, forklift-friendly unit for reliable placement in demanding environments. Security features include a key lock padlock option and a 3-pt latching handle to prevent unauthorized access while providing easy, controlled entry for authorized technicians. The hinged cover enables quick inspection and service without removal equipment, reducing downtime. The UL and NEMA approvals further reinforce compliance for facilities under strict electrical enclosure requirements. Engineered for outdoor process lines, control panels, and electrical rooms in manufacturing, energy, and infrastructure sectors, the ES-727220-4 supports scalable protection across multiple zones. Its rugged construction suits harsh environments, while the open interior layout accommodates a range of equipment configurations. Operators gain predictability in performance and ease of future upgrades thanks to standard sizing and accessible mounting dimensions.
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FAQs
For outdoor installations, plan ground mounting with attention to the enclosure’s 72 in height and 72 in width footprint, 20 in depth, and heavy 613.3 lb weight. Ensure secure foundation, forklift-accessible handling, and proper clearances for hinged door operation. The 12 gauge carbon steel body and neoprene gasket provide weatherproofing, while the hinged cover facilitates safe, rapid access during routine maintenance.
Yes. The ES-727220-4 is part of Eaton’s B-Line series and is designed to integrate with standard B-Line accessories and mounting footprints. Its ground-mount configuration, large double doors, and 3-pt latching handle support straightforward field upgrades and scalable control panel layouts, enabling seamless compatibility with existing enclosure ecosystems and future expansions.
This enclosure carries UL 508A and NEMA 4 ratings, ensuring electrical safety and reliable protection in demanding outdoor or washdown environments. The UL listing supports compliance with industrial panel standards, while NEMA 4 confirms ingress protection against dirt, water, and incidental exposure. The ANSI 61 gray painted finish adds an additional layer of environmental resistance.
The combination of a corrosion-resistant carbon steel shell, closed-cell neoprene gasket, and a hinged, lockable cover minimizes water ingress and paint deterioration, reducing corrosion-related maintenance and downtime. Large-access doors speed technician entry for preventive maintenance, which lowers labor costs and extends service life, delivering a favorable total cost of ownership over the enclosure’s lifespan.
Industries such as manufacturing, utilities, data centers, and outdoor substations benefit from the ES-727220-4 due to its rugged NEMA 4 protection, ground-mount versatility, and large accessible interior. It supports outdoor control panels, process-line enclosures, and industrial automation deployments where reliability, security, and long service intervals are paramount.