Eaton 644 RHC Panel Enclosures - NEMA 3R Type 3/3R
Part Number: 644 RHC
Quick Summary
644 RHC panel enclosure is a compact, wall-mount solution protecting electrical controls in industrial spaces. Many users struggle with weather exposure, vandalism, and limited installation space, which can drive downtime and maintenance costs. This enclosure aligns UL 50, CSA C22.2, and NEMA 3R standards to deliver rugged protection in harsh environments. Built from carbon steel with a painted ANSI 61 gray finish, it combines durability with weight efficiency for easier handling and faster installations. When paired with external mounting feet and padlock provisions, it offers secure, code-compliant control panel protection that reduces lifecycle costs and supports scalable B-Line series installations.
Product Information
Extended Description
644 RHC Eaton: Eaton B-Line series Type 3/3R panel enclosures, 6" height, 4" length, 4" width, NEMA 3R, Hinged cover, RHC enclosure, Wall mount, Small single door, 2 bottom knockouts, External mounting feet, Carbon steel
Product Name
Eaton B-Line series Type 3/3R panel enclosures
Catalog Number
644 RHC
UPC
799038515074
Product Length/Depth
4 in
Product Height
6 in
Product Width
4 in
Product Weight
3.3 lb
Certifications
UL 50 CSA C22.2. NEMA
Material
Carbon steel
Wall thickness
16 gauge
Finish color
Painted
Color
ANSI 61 gray
Style
Small single door
Model
RHC enclosure
Cover type
Hinged
Mounting method
Wall
Mounting hole details
External mounting feet
Locking provisions
Padlock provision
Closure type
Hinged
Special features
Rain hood,cont. piano hinge, pull drawn catch
Bottom knockouts
2
NEMA Rating
3R
Country of origin
US
Feature → Business Impact → Application: Carbon steel construction with 16 gauge wall thickness delivers durable protection against impact and exposure, reducing replacement cycles and downtime in harsh environments. This translates to lower total cost of ownership for manufacturing lines and outdoor equipment housings, especially in regions with temperature swings and dust. Feature → Business Impact → Application: 6 x 4 x 4 inch footprint and wall-mount design enable compact, ready-to-install enclosures for small control panels, ideal for space-constrained PLCs and motor starter assemblies in factory floors. Feature → Business Impact → Application: Hinged door with external mounting feet and rain hood improves field serviceability, enabling faster access and safer maintenance in outdoor or semi-protected locations. Feature → Business Impact → Application: Padlock provision and 2 bottom knockouts simplify security and conduit routing, supporting compliant installations under UL 50 and CSA C22.2 while reducing installation time and errors. Feature → Business Impact → Application: NEMA 3R rating and ANSI 61 gray finish provide weather-resistance and corrosion protection, ensuring reliable performance in damp or dusty environments and decreasing risk of unscheduled downtime. Feature → Business Impact → Application: B-Line series compatibility and wall-mount versatility streamline integration with existing Eaton enclosures and accessories, improving procurement consistency and sparing engineering redesigns across projects.
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FAQs
The 644 RHC is designed for wall mounting with external mounting feet, enabling straightforward installation adjacent to control cabinets or on equipment frames. This configuration reduces structural modification needs, supports secure anchoring, and simplifies conduit routing through the bottom knockouts, while preserving access to the hinged cover for maintenance.
The enclosure carries UL 50, CSA C22.2, and NEMA ratings, validating its suitability for electrical enclosures in commercial and industrial environments. These certifications ensure compliance with safety, electrical code requirements, and performance under specified environmental conditions, giving buyers confidence in reliability, service life, and installer acceptance.
Yes. With NEMA 3R protection and a weather-focused design including a rain hood, the 644 RHC provides enhanced resistance to moisture and incidental water intrusion. The carbon steel construction with a painted finish adds corrosion resistance, making it appropriate for semi-exposed outdoor panels and damp indoor spaces.
The hinged door allows quick access while maintaining enclosure integrity, and the padlock provision supports secure operation in environments with restricted access. External mounting feet simplify mounting alignment and stability, while 2 bottom knockouts offer flexible conduit routing to meet specific wiring layouts and code requirements.
Selecting the 644 RHC delivers durable carbon steel construction and proven NEMA 3R protection, reducing maintenance frequency and equipment replacement. Its compatible features—hinged cover, rain hood, and secure mounting options—mean faster installations, easier service access, and lower total cost of ownership across asset life cycles.