Inspection Items
Sample Specification and Quantity
List of Key Components
Humidity Resistance
Electrical Clearance and Creepage Distance
Housing Protection Level
Resistance to Abnormal Heat and Fire Hazards
Action Range of Contactor Relay
Temperature Rise
Dielectric Performance
Mechanical Performance of Wiring Terminals
Making and Breaking Capacity under Abnormal Conditions
Making and Breaking Capacity under Normal Conditions
Limit Short Circuit current performance
Electromagnetic compatibility (EMC) (if applicable)
Verify operating force (torque)
Verification of the rotational limit of rotary switches
Appendix F Additional tests for control circuit appliances with Class II packaging insulation
Verification
Appendix G Additional tests for control circuit appliances with integral connecting cables
Additional requirements
Appendix H Additional tests for semiconductor switch components
Appendix J Additional tests for indicator lights
Appendix K Additional tests for control switches with direct disconnection operation
Appendix L Mechanical interlocking contact components Additional tests
Taking auxiliary contact components as an example
Technical parameters:
AC-15 Ue/IE: 380V/1.2A; 220V/1.5A&Nbsp DC-13; Ue/IE: 220V/0.5A; 110V/0.3A
Required sample quantity:
Complete machine: 16+(6) units
Insulation material components: 1 piece each
&Nbsp If applicable, Appendix F; Increase the number of samples by 3 If applicable, Appendix G; Then increase the number of samples by 1 unit If applicable, Appendix H; Then increase the number of samples by 1 unit If applicable, Appendix J; Increase the number of samples by 5 If applicable, Appendix K; Then increase the sample quantity by 5 units
If applicable, Appendix L, Then increase the number of samples by 1 unit
Base (Housing)
Contact Material
Spring
Electronic Component Board
Arc extinguishing cover
Coil
Iron core
Main contact spring and reaction spring
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