Eaton KNA4C4SP28L enclosure climate control - NEMA 4
Part Number: KNA4C4SP28L
Quick Summary
The Eaton KNA4C4SP28L enclosure climate control is a compact solution designed to protect electrical cabinets in rugged industrial environments. For engineers battling condensation, heat buildup, and unplanned outages, reliable cooling and enclosure protection can be the difference between steady operation and costly downtime. UL/CUL listed and NEMA 4 rated, this unit delivers regulatory compliance and weather resistance for both indoor and outdoor installations. Designed to pair with the Eaton B-Line Slimkool SP28 enclosures, it simplifies installation, reduces service complexity, and supports standard receptacle configurations, delivering tangible value across manufacturing, facilities, and automation environments.
Product Information
Extended Description
KNA4C4SP28L Eaton: Eaton B-Line series enclosure climate control, NEMA 4, Slimkool series sp28, NEMA 4 or 4x air conditioners
Product Name
Eaton B-Line series enclosure climate control
Catalog Number
KNA4C4SP28L
UPC
799038643609
Product Length/Depth
15.1 in
Product Height
27.94 in
Product Width
11.79 in
Product Weight
85 lb
Certifications
UL/CUL listed
Style
Slimkool series SP28
Type
Receptacles
Degree of protection
NEMA 4
Feature: NEMA 4 rated enclosure climate control provides a weatherproof, dust- and moisture-resistant environment. Business Impact: Reduces the risk of moisture-related equipment faults and downtime, helping protect critical control panels in harsh environments. Application: Ideal for manufacturing floors, outdoor enclosures, and controlled environments where durability matters. Feature: UL/CUL listed certification ensures regulatory compliance and traceable quality. Business Impact: Streamlines procurement and audit readiness while lowering risk of non-conformance. Application: Suitable for facilities requiring recognized electrical safety certifications in industrial settings. Feature: Slimkool SP28 compatibility and Eaton B-Line integration. Business Impact: Facilitates seamless installation within existing B-Line enclosures and standard mounting footprints, reducing project time and commissioning risk. Application: Retrofit or new builds using Slimkool SP28 style enclosures with standard receptacle layouts. Feature: Compact footprint with defined dimensions (15.1 in depth, 27.94 in height, 11.79 in width). Business Impact: Maximizes usable enclosure space and simplifies installation in tight industrial rooms. Application: Data centers, control rooms, and seamingly constrained plant areas. Feature: Weight and handling (85 lb) manageable with typical facility hoisting equipment. Business Impact: Balances rugged protection with practical installation and maintenance logistics. Application: On-site serviceability and long-term sustainment in maintenance-heavy environments. Feature: Receptacle-type configuration support and catalog consistency (KNA4C4SP28L). Business Impact: Predictable procurement and compatibility with existing electrical configurations, reducing design changes. Application: Standardized control panels and modular installations in automation projects.
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FAQs
The KNA4C4SP28L is designed for Eaton B-Line Slimkool SP28 enclosures and supports standard receptacle configurations within that family, providing a seamless retrofit or new-install option for rugged control panels.
Depth is 15.1 in, height is 27.94 in, width is 11.79 in, and the unit weighs 85 lb, enabling predictable space planning and ease of handling during installation.
Yes. With a NEMA 4 enclosure rating and UL/CUL listing, it is designed for weather resistance and reliable operation in both indoor and outdoor environments.
Datasheets and catalogs are available from Eaton: Climate Control Products Section - Enclosure Catalog and the Eaton Specification Sheet for KNA4C4SP28L. Download links: https://www.eaton.com/content/dam/eaton/products/enclosures/b-line/assets/enclosure-climate-control/climate-control-enclosure-products-catalog-section.pdf and https://www.eaton.com/us/en-us/skuPage.KNA4C4SP28L.pdf
It delivers reliable climate control to protect sensitive electronics, reduces condensation-related failures, simplifies installation within Eaton B-Line systems, and supports UL/CUL compliance—leading to lower maintenance costs and improved uptime.