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IEC Test Equipment Apparatus For Checking The Withdrawal Force
Standard of Apparatus For Checking The Withdrawal Force:
IEC 60320-1 ‘Appliance couplers for household and similar general purposes – Part 1: General requirements’ clause 16 and figure 3;
IEC 60884-1 ‘Plugs and socket-outlets for household and similar purposes – Part 1: General requirements’ clause 22, table 16 and figure 18.
Application of Apparatus For Checking The Withdrawal Force:
The construction of accessories shall allow the easy insertion and withdrawal of the plug, and prevent the plug from working out of the socket-outlet in normal use.
The construction of appliance couplers shall allow the easy insertion and withdrawal of the connector/appliance outlet, and prevent the connector/appliance outlet from working out of the appliance inlet/plug connector in normal use.
Parameter of Apparatus For Checking The Withdrawal Force:
1. Test plug: made of hardened steel, provide 3 test plugs and 2 test pins
2. Weights: one set. Superposition can be achieved 100N, the force applied by added weight of 1/10 test force
3. Operation: manual
4. With a safety rope, prevent the drop of test plug
Table 16 – Maximum and minimum withdrawal force for plugs and socket-outlets
| Ratings of the accessory | Number of the poles of the accessory | Withdrawal force N | ||
| Multi-pin gauge maximum | Multi-pin gauge maximum | Single-pin gauge maximum a | ||
| Up to and including 13 A | 2 | 40 | 1.5 | 17 |
| 3 | 50 | |||
| 5 | 70 | |||
| Up to and including 13 A | 2 | 50 | 2.0 | 25 |
| 3 | 54 | |||
| More than 3 | 70 | |||
| Above 16 A up to and including 32 A | 2 | 80 | 3.0 | 27 |
| 3 | 80 | |||
| More than 3 | 100 | |||
| a These withdrawal forces are only for testing the resilient earthing contact assembly of a plug. | ||||
