What are the test items for 3C certification of switching power supply?

Switching power supply has passed 3C certification, and the test standard is mainly based on GB4943.

In fact, it is mainly: 1. Temperature, 2. Safe distance, 3. Abnormal measurement.

All right, let's adopt!

Chapter test item

1.6.2 input current test (input current test)

Durability of marking test

2. 1. 1.5 Energy hazard of operator's entry area (energy hazard test)

2. 1. 1.7 capacitor discharge (primary circuit capacitor discharge test)

2.2.2 Selv limit under normal conditions (safe low voltage test under normal working conditions)

2.2.3 Selv limit under abnormal conditions (safe low voltage test under fault conditions)

2.4.2 Current limiting circuit (bridge component) (current limiting circuit test)

2.5 Limited Power Supply (Limited Power Supply Test)

2.6.3.4 cross resistance of grounding circuit (grounding continuity test)

2.9.2 Humidity Adjustment (Humidity Treatment Test)

2. 10.2 insulation working voltage (working voltage test)

3.2.6 Rope Fixer and Stress Relief Test (Rope Fastening Device and Stress Relief Test)

4. 1 stability test (10 tilt test) (stability test)

4.2.4 Constant force test, 250n (250n constant force test).

4.2.5 Impact test (steel ball)

4.2.6 Drop Test (Drop Test)

4.2.7 Stress Relief Test (Stress Relief Test)

4.3.6 Torque test (in-line type over 450g) (torque test for in-line equipment)

4.5. 1 Maximum Temperature Test (Maximum Temperature Rise Test)

4.5.2 Ball Pressure Test (Ball Pressure Test)

5. 1.6 Contact current and PE current (leakage current test)

5.2 Electrical Strength Test (Electrical Strength Test)

5.3 Fault Condition Test (Abnormal Work/Fault Condition Test)