Eaton 643-4CHC JIC Panel Enclosure - NEMA 4 Rating
Part Number: 643-4CHC
Quick Summary
Eaton 643-4CHC JIC panel enclosure protects electrical components in compact wall-mounted applications. This small, 6 in high by 4 in wide by 3 in deep enclosure reduces footprint while delivering robust protection in demanding environments. For engineers and technicians, space constraints and exposure to dust, moisture, or tampering can complicate panel layouts; this enclosure addresses those challenges with a NEMA 4 rating and seamless gasket integrity. UL 50 and CSA C22.2 certifications, along with an ANSI 61 gray painted finish, ensure reliable compliance and consistent appearance in shared plant spaces. By combining a hinged door with external mounting feet, it offers quick access and flexible installation, while carbon steel construction provides rigidity without excessive weight. It pairs well with broader B-Line enclosures for scalable industrial infrastructure.
Product Information
Extended Description
643-4CHC Eaton: Eaton B-Line series JIC panel enclosure, 6" height, 3" length, 4" width, NEMA 4, Hinged cover, 4CHC enclosure, Wall mount, Small single door, External mounting feet, Carbon steel, Seamless poured in-place gasket
Product Name
Eaton B-Line series JIC panel enclosure
Catalog Number
643-4CHC
UPC
782051740103
Product Length/Depth
3 in
Product Height
6 in
Product Width
4 in
Product Weight
2.7 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
4CHC enclosure
Cover type
Hinged
Mounting method
Wall
Mounting hole details
External mounting feet
Closure type
Hinged
Special features
Cont. piano hinge with s.s. door clamp,panel mount
NEMA Rating
4
Country of origin
US
Feature compact footprint and light weight enables denser control layouts and simpler field installs. This 6 in H x 4 in W x 3 in D enclosure weighs about 2.7 lb, easing handling during site wiring and mounting tasks. It is well suited for wall-mounted machine panels where space is at a premium. Feature rugged carbon steel construction at 16 gauge delivers rigidity without excessive weight. The ANSI 61 gray painted finish provides corrosion resistance and a maintenance-friendly appearance across plant spaces. These attributes support long service life in industrial environments and simplify spare part planning. Feature seamless poured-in-place gasket and hinged cover deliver NEMA 4 protection against dust and water ingress. The external mounting feet and wall-mount design provide reliable sealing and flexible installation, even in tight spaces near equipment. Feature continuous piano hinge with a stainless-steel door clamp and panel-mount capability for enhanced durability and alignment. This reduces service interruptions and ensures door operation in challenging conditions. Feature UL 50 and CSA C22.2 compliance with NEMA 4 rating to support regulatory requirements and safe operation. The enclosure is designed to be compatible with Eaton B-Line series components, enabling scalable installations and faster integration into existing infrastructure.
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FAQs
The 643-4CHC is designed for wall mounting with external mounting feet, making it compatible with many standard control panel layouts in tight spaces. Its compact 6 in H x 4 in W x 3 in D footprint allows efficient stacking or side-by-side enclosure configurations in machine rooms. The hinged door and continuous piano hinge simplify door operation, even in confined installations, reducing maintenance time during routine wiring or re-termination.
The NEMA 4 rating indicates excellent protection against windblown dust and water ingress from rain, splashing water, and hose-directed spray. For facilities with washdown zones or outdoor exposure, this reduces corrosion risk and safeguard against moisture-related failures. Paired with a seamless gasket and carbon steel housing, it delivers reliable long-term performance in demanding settings.
Yes. The enclosure’s small footprint, wall-mount capability, and hinged cover are ideal for machine control panels where space is constrained. Its 16 gauge carbon steel body and ANSI 61 gray finish provide durability and a professional appearance, while UL 50 and CSA C22.2 certifications support compliance in regulated manufacturing environments.
The 643-4CHC meets UL 50 and CSA C22.2 standards and carries a NEMA 4 rating. This matters for installation in environments requiring verified enclosure protection, electrical safety and regulatory compliance. Using a certified enclosure simplifies inspection, reduces downtime due to non-conformance, and ensures compatibility with other UL-listed components in Eaton’s B-Line family.
The combination of a sealed gasket, solid carbon steel construction, and durable painted finish minimizes corrosion and ingress-related maintenance. Its lightweight design reduces field labor during installation, while the hinged, durable door design lowers replacement costs from wear. In steady use, these attributes translate to fewer unscheduled maintenance events and lower total cost of ownership over the asset’s lifecycle.