What are the repair parts for a HU366R Series E2, E4 and E5 Heavy Duty Safety Switch?
Issue: Repair parts
Heavy Duty Safety Switch
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 - 40512-172-51
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 (center piece); (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