Eaton Crouse-Hinds 527B-X1 Junction Box - IP66 Rating
Part Number: 527B-X1
Quick Summary
The 527B-X1 junction box from Eaton Crouse-Hinds is a rugged surface-mount enclosure designed for reliable electrical connections in harsh industrial environments. End users often struggle with ingress, corrosion, and space constraints that complicate panel installation and maintenance. This model delivers IP66 protection, NEC/CEC compliance, and suitability for ordinary/non-hazardous locations, supporting safe, code-compliant installations. The brass construction and 1/2" trade size offer durable performance in challenging settings, while the compact 4.5 in depth/height with a 2 in width streamline mounting in tight enclosures. By combining dependable protection with straightforward installation, it helps reduce downtime, maintenance costs, and long-term operational risk for industrial facilities.
Product Information
Extended Description
527B-X1 Eaton Crouse-Hinds: Eaton Crouse-Hinds series Pauluhn 527 junction box, 2" depth, Brass, Surface mount, X-position, 1/2" trade size
Product Name
Eaton Crouse-Hinds series Pauluhn 527 junction box
Catalog Number
527B-X1
Product Length/Depth
4.5 in
Product Height
4.5 in
Product Width
2 in
Product Weight
3.74 lb
UPC
662276383159
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Ingress protection (IP) ratings
IP66
Material
Brass
Depth
2 in
Trade size
1/2"
Style
X-position
Mounting style
Surface
Crouse-Hinds series Pauluhn 500 Series Round Marine Junction Boxes catalog page
Eaton Specification Sheet - 527B-X1
IP66 protection guards against water, dust, and washdown exposure, translating into longer service intervals and fewer field failures in outdoor, coastal, and washdown environments. This reduces unplanned downtime and maintenance costs for control cabinets and machine housings. Brass construction delivers superior corrosion resistance, extending enclosure life in marine, chemical, and harsh manufacturing settings, which lowers replacement frequency and total cost of ownership. Surface mounting with an X-position access design enables faster wiring and simpler future upgrades, shrinking installation time and on-site labor while improving reliability. The 1/2 inch trade size offers compatibility with standard conduits and fittings, enabling streamlined procurement and minimal adapters. NEC/CEC compliance supports smoother approvals and audit readiness for general electrical installations across multiple industries. The ordinary location rating broadens applicable applications, delivering flexible deployment without special enclosures while supporting scalable electrical infrastructure.
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FAQs
Yes. The 527B-X1 is a 1/2 inch trade size brass junction box designed for standard 1/2 inch conduit fittings. Its X-position, surface-mount configuration simplifies wiring access and field routing, reducing the need for adapters. Verify conductor size, insulation, and gasket compatibility for your specific installation.
To preserve IP66 protection, use the factory-provided gaskets, tighten cover fasteners to the specified torque, and seal all seams when mounting. Surface installations should orient for drainage and avoid submersion vulnerabilities. Regularly inspect seals and replace degraded gaskets to maintain long-term ingress protection.
Yes, IP66 and brass construction suit marine and outdoor panels exposed to water, dust, and salt spray. Use corrosion-resistant fittings and suitable cable glands accompanied by routine maintenance checks. Confirm environmental conditions and local codes to ensure ongoing protection and compliance.
The 527B-X1 meets NEC/CEC standards for ordinary or non-hazardous locations, simplifying documentation and reducing commissioning time. It’s appropriate for general electrical installations requiring code-compliant protection, mounting on various surfaces, and compatibility with standard accessories.
The enclosure offers a 2 in depth and 4.5 in product depth/height with a 2 in width, making it suitable for compact retrofit installations. The X-position and surface-mount design support straightforward wiring access and fast mounting to walls or panels. Always compare existing openings and ensure clearance for conduit fittings.