Eaton ALC21 S1 Flexible Fixture Hanger - Class I Division 2
Part Number: ALC21 S1
Quick Summary
The Eaton ALC21 S1 flexible fixture hanger is designed to support luminaires in hazardous locations. Installers often battle alignment, vibration, and corrosion in harsh environments, which can drive installation time and maintenance costs up. This unit complies with NEC/CEC standards and is rated for Hazardous/Classified Locations with a Class I, Division 2 rating, ensuring safe operation and regulatory alignment. With a 125 lb weight capacity and a 1/2" luminaire stem, it integrates seamlessly into existing suspension systems, delivering reliability and cost-efficient installation for industrial facilities and critical infrastructure projects.
Product Information
Extended Description
ALC21 S1 Eaton: Eaton Crouse-Hinds series ALC flexible fixture hanger, 125 lb, 1/2" luminaire stem size, Feraloy iron alloy, Pendant mount, Suspension attachment, 3/4", Ball type
Product Name
Eaton Crouse-Hinds series ALC flexible fixture hanger
Catalog Number
ALC21 S1
UPC
782274768748
Product Weight
2.63 lb
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class I, Division 2
Type
Ball
Mounting Type
Pendant
Luminaire stem size
1/2"
Trade size
3/4"
Luminaire rated weight
125 lb
Material
Feraloy iron alloy
Special features
Suspension attachment
Crouse-Hinds series AL Hazardous Area Flexible Fixture Hanger and Outlet Box catalog page
AL Hazardous Area Flexible Fixture Hanger and Outlet Box UL certification
AL Hazardous Area Flexible Fixture Hanger and Outlet Box UL certification
Eaton Specification Sheet - ALC21 S1
Feature: 125 lb rated weight; Business Impact: Supports heavier luminaires, reducing the need for multiple hangers and simplifying inventory; Application: Large-area lighting in manufacturing and process plants. Feature: 1/2" luminaire stem size; Business Impact: Improves compatibility with common luminaire hardware, accelerating installation and reducing field modifications; Application: Pendant-mounted fixtures in ceiling grids and suspended ceilings. Feature: Feraloy iron alloy material; Business Impact: Enhanced mechanical strength and corrosion resistance in aggressive environments; Application: Hazardous and classified locations with exposure to dust and moisture. Feature: 3/4" trade size; Business Impact: Aligns with standard suspension components, enabling quicker assembly and serviceability; Application: System-wide replacements or retrofits. Feature: Suspension attachment; Business Impact: Simplifies secure suspension and reduces loosening risk over time; Application: Continuous operation in industrial floors and outdoor facilities. Feature: NEC/CEC compliance and Class I Division 2 rating; Business Impact: Facilitates regulatory compliance and safe operation in hazardous areas; Application: Oil & gas, chemical processing, mining, and other hazardous environments. Feature: UL certification references; Business Impact: Proven reliability and acceptance in North American markets; Application: Procurement and validation for safety-critical projects.
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FAQs
The ALC21 S1 supports pendant mounting with a 1/2 inch luminaire stem and a 3/4 inch trade size, enabling quick hook-up to standard suspension systems. Its 125 lb load rating accommodates most mid-size luminaires used in hazardous locations, reducing the need for multiple hangers. For retrofits, ensure compatible suspension hardware is used and verify the fixture weight plus any mounting hardware stays within the 125 lb limit.
Key specs include a 125 lb luminaire rating, 1/2 in luminaire stem size, 3/4 in trade size, and a pendant mounting configuration. The hanger is constructed from Feraloy iron alloy and is designed for suspension attachment, delivering strong mechanical performance in harsh environments while supporting standard hazardous-location luminaires.
Yes. The ALC21 S1 is certified for Hazardous/Classified Locations with NEC/CEC standards and carries NEC hazardous rating Class I, Division 2. This makes it appropriate for oil, gas, chemical, and other demanding settings where safe luminaire suspension is essential and regulatory compliance is required.
The ALC21 S1 aligns with NEC/CEC standards and hazardous location ratings, including Class I, Division 2. UL certifications are referenced via certification pages for both the U.S. and Canada, ensuring compliance and acceptance in North American markets. For audit-ready documentation, consult the UL certificate links and Eaton’s specification sheet.
The alloy construction and robust suspension design reduce corrosion-related maintenance in harsh environments, lowering replacement frequency. Its standardized 1/2" stem and 3/4" trade size simplify spare parts sourcing, installation time, and retrofits. The result is lower total cost of ownership and faster project completion in hazardous area installations.