Eaton STBS16040220 Stainless Steel Enclosure - IP66
Part Number: STBS16040220
Quick Summary
Eaton STBS16040220 stainless steel enclosure protects electrical gear in harsh industrial environments. Maintenance downtime and corrosion risk challenge ongoing operations, driving maintenance costs and reliability concerns. This enclosure carries IP66 ingress protection, NEMA 6/4X ratings, and IECEx/ATEX certification, signaling suitability for hazardous locations and demanding outdoor or chemical environments. Built around a 400 A capacity with a 60\" x 40\" x 22\" footprint, it combines rugged 316L stainless steel construction with clean glandless access and solid grounding options, reducing retrofit complexity. The result is improved uptime for automation systems and safer maintenance, while aligning with high-integrity industrial requirements and compliance needs.
Product Information
Extended Description
STBS16040220 Eaton: Eaton Crouse-Hinds series STB enclosure, 400A, 60" x 40" x 22" enclosure size, 456 mm horizontal fixing center, 464 mm vertical fixing center, 316L stainless steel, 0 gland plates, 690 Vac/Vdc
Product Name
Eaton Crouse-Hinds series STB enclosure
Catalog Number
STBS16040220
EAN
3066227675249
Product Length/Depth
400 mm
Product Height
600 mm
Product Width
220 mm
Product Weight
12.97 kg
Area classification
Hazardous/Classified Locations
Standards type
IECEx/ATEX NEC/CEC IEC
NEC hazardous rating
Class I, Division 2
NEMA Rating
6 4X
Ingress protection (IP) ratings
IP66
Material
316L stainless steel
Enclosure size
60" x 40" x 22"
Crouse-Hinds series Stainless Steel Enclosures Solutions brochure
Crouse-Hinds series STB Stainless Steel or Sheet Steel Enclosures catalog page
Feature → Business Impact → Application: 316L stainless steel construction delivers superior corrosion resistance in humid, chemical, or offshore environments, extending enclosure life and reducing replacement costs for automation panels. This improves maintenance efficiency and uptime across process plants and water treatment facilities, where reliability matters most. Feature → Large 60\" x 40\" x 22\" footprint and 400 A capacity enables generous internal space for drives, controllers, and auxiliary components, simplifying panel builds and reducing installation time in OEM environments and integration hubs. Feature → IP66 ingress protection and NEMA 6/4X ratings ensure robust protection against dust, water jets, and corrosive atmospheres, lowering field failures during outdoor or harsh indoor installations and improving overall safety. Feature → Hazardous-location readiness with IECEx/ATEX, NEC/CEC certifications ensures compliance for installations in Class I, Division 2 areas, enabling faster permit approvals and safer panel operation in chemical plants or oil & gas facilities. Feature → 0 gland plates offer flexible wiring options with external gland entries, reducing pre-assembly steps and enabling streamlined field wiring for custom control cabinets in manufacturing lines. Feature → Documentation and compatibility advantages with 456 mm horizontal and 464 mm vertical fixing centers support precise mounting alignment and retrofit compatibility with existing control systems.
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FAQs
The STBS16040220 is certified for IECEx/ATEX and NEC/CEC, with IP66 protection and NEC Class I, Division 2 ratings, confirming suitability for hazardous and classified locations. Its 316L stainless steel construction adds corrosion resistance in tough environments, helping maintain safe operation and regulatory compliance.
The STBS16040220 features 0 gland plates, allowing flexible external gland entry configurations. You can add glands or adapt cable entries to match your wiring plan. The enclosure also supports standard dimensions and mounting centers for straightforward panel integration.
This enclosure measures 60" x 40" x 22" with a 400 A rating, providing ample internal volume for large drives, controllers, and terminal blocks. The 316L stainless steel body enables safe operation in harsh processes, while the footprint supports complex automation layouts.
The STBS16040220 carries IECEx/ATEX, NEC/CEC standards, and NEMA 6/4X ratings, along with IP66 ingress protection. These certifications support safe operation in hazardous locations and harsh environments, streamlining project approvals and installation schedules.
Downloadable resources include the Crouse-Hinds Stainless Steel Enclosures Solutions brochure and the STB Enclosures catalog page. These documents provide installation guidance, dimensions, and product applications to support faster deployment and demonstrated value in maintenance and uptime improvements.