Our Brands

Impact-Company-Logo-English Black-01-177x54

Schneider Electric USA Website

Welcome to our website.
		
How can we help you today?
What are the repair parts for a HU366R Series E2, E4 and E5 Heavy Duty Safety Switch?

Issue:
Repair parts

Product Line:
Heavy Duty Safety Switch

Environment:
Repair parts

Cause:
Maintenance

Resolution:
The parts listed here are the only field-replaceable parts.

Line base assembly - 40552-186-50 (3-required and arc suppressor assembly is not included)
Arc suppressor assembly - 40512-708-50 (3-required)
Lug assembly - 44050-446-01 (2 required per line base assembly)
Line base phase insulator - 40552-193-01 (2 required)
Line base mounting screws - 40206-009-01 (2 required per base assembly)
Handle assembly - 40512-172-50 SEL
Door thumb screw - 44050-434-01 (2 per switch)
Door thumb retainer - 44050-433-01 (1 per thumb screw)
Cross Arm Insulator – (2) 40552-177-01 (left and right side pieces); (1) 40552-178-01 (centerpiece); (1) 40552-157-01 (dust shield – retainer for insulators)
Handle knob kit (black & red knob at end of handle) - Series E1 is 44011-427-50, Series E4 and E5 is 40283-435-50

Schneider Electric USA

Explore more
Range:
Product:
Users group

Discuss this topic with experts

Visit our community and get advice from experts and peers on this topic and more
Explore more
Range:
Product:
  • Products Documentation
  • Software Downloads
  • Product Selector
  • Product Substitution and Replacement
  • Help and Contact Center
  • Where to buy
  • Get a Quote
  • Find our Offices
  • Schneider Electric Community
  • Careers
  • Company Profile
  • Report a misconduct
  • Accessibility
  • Newsroom
  • Investors
  • EcoStruxure
  • Job Search
  • Blog
  • Tech Support: 877-342-5173
  • Privacy Policy
  • Cookie Notice
  • Terms of use
  • Change your cookie settings