Eaton WIU1B1 While-in-Use Cover - NEMA 3R, Universal Mount
Part Number: WIU1B1
Quick Summary
Eaton WIU1B1 is a durable extra-duty while-in-use cover designed for single-gang enclosures in industrial environments. This solution helps maintenance teams avoid downtime by keeping live parts protected during servicing and inspections. It carries NEC/CEC compliance, a NEMA 3R rating for weather resistance, and suitability for Ordinary/Non-Hazardous locations. Engineers will value the bronze finish and polycarbonate construction for long-term durability, corrosion resistance, and low maintenance. With universal mounting and 16:1 configurability, it enables fast retrofits while delivering predictable lifecycle costs across automation panels and control cabinets.
Product Information
Extended Description
WIU1B1 Eaton: Eaton Crouse-Hinds series extra duty while-in-use cover, Bronze, 2.25" deep, Polycarbonate, Horizontal/vertical, 16:1 configuration, Single-gang, Universal mounting
Product Name
Eaton Crouse-Hinds series extra duty while-in-use cover
Catalog Number
WIU1B1
UPC
662276947900
Product Length/Depth
6 in
Product Height
2.64 in
Product Width
4.1 in
Product Weight
0.32 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
NEMA Rating
3R
Number of gangs
Single-gang
Mounting direction
Horizontal/vertical
Number of configurations using inserts and movable hinges
16:1
Color
Bronze
Depth
2.25"
Material
Polycarbonate
Special features
Universal mounting
Crouse-Hinds series Extra Duty While-in-use Covers and Kits brochure
WIU1B1 PDF drawing
WIU1B1 PDF drawing
Eaton Specification Sheet - WIU1B1
Feature: Bronze housing with polycarbonate body provides rugged durability and corrosion resistance. Business Impact: Reduces replacement frequency and maintenance costs while preserving enclosure integrity. Application: Suitable for outdoor or workshop installations where exposure to moisture, chemicals, or impact is a risk. Feature: Precise dimensions and lightweight design enable versatile mounting and quick fit. Business Impact: Eases installation, lowers field labor, and minimizes enclosure footprint. Application: Works with standard single-gang boxes in horizontal or vertical orientations. Feature: 16:1 configuration with inserts and movable hinges offers flexible wiring options. Business Impact: Supports future upgrades and multiple wiring schemes without swapping covers. Application: Ideal for evolving control panels and industrial cabinets needing configurability. Feature: NEMA 3R rating and NEC/CEC compliance provide regulatory assurance. Business Impact: Reduces risk of noncompliance and weather-related downtime. Application: Suitable for ordinary/non-hazardous locations and mixed indoor/outdoor installations. Feature: Universal mounting and single-gang footprint simplify procurement and installation pathways. Business Impact: Lowers total cost of ownership by reducing part SKUs and on-site complexities. Application: Fits a broad range of enclosure configurations and mounting directions.
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FAQs
WIU1B1 is designed for single-gang installations and supports universal mounting with horizontal or vertical orientation. Its 6 in length and 4.1 in width fit standard enclosure footprints, while its 2.25 in depth ensures clearance for typical wiring. The cover’s hardware accommodates standard mounting patterns, reducing the need for custom adapters or additional kits.
Key specs include bronze color, polycarbonate construction, 6 in length, 2.25 in depth, 4.1 in width, and a lightweight 0.32 lb weight. It is a single-gang, 16:1 configuration with inserts and movable hinges, supporting flexible wiring layouts and retrofit installations in ordinary/non-hazardous locations.
WIU1B1 is rated for Ordinary/Non-Hazardous locations and carries a NEMA 3R rating for weather resistance, making it appropriate for outdoor enclosures and damp indoor environments. It adheres to NEC/CEC standards, helping ensure regulatory compliance in diverse industrial settings.
The cover features universal mounting with horizontal/vertical orientation and a 16:1 configuration, meaning you can mix inserts and movable hinges to tailor the fit for various wiring schemes. This flexibility reduces the need for multiple SKUs and accelerates field installs during panel upgrades.
By protecting live parts and improving enclosure integrity, WIU1B1 reduces maintenance downtime and replacement costs. The universal mounting and configurable 16:1 design simplify future upgrades, delivering faster serviceability and lower lifecycle costs for control cabinets and industrial enclosures.