IEC 60884-1 Clause 22.1 Switch Life Test Apparatus For Verification Of Maximum And Minimum Withdrawal Force

IEC 60884-1 Figure 18 and 19 Maximum and Minimum Withdrawal Force Verification Test Apparatus

Product information:

This apparatus for verification of maximum and minimum withdrawal force meet the requirements of IEC 60884-1 clause 22.1 figure18 and figure 19. It is used to test whether the maximum force of pulling the plug from the socket and the minimum force of pulling the single plug pin from the resilient earthing contact assemble is in the range of the standard required.

Structure feature:

The apparatus consists of fixed mounting plate A, clamp D, main weight F and weight tray E, the inside height of the frame is 550mm, the axes between two columns is 150mm, the specific shape shown in Figure 18.

Test requirements:

1. The socket-outlet maximum withdrawal force should meet the requirements of Table 16. The main weight of maximum withdrawal force, together with the supplementary weight, the clamp, the weigh tray and the test plug are applied on the test plug, the plug should be disengaged from the socket-outlet.

2. The minimum force should meet the requirements of Table 16. The required test pin gauge is inserted into insert-sleeve of the socket; the gauge shall not fall from the contact assembly within 30 s.

Table 16- Maximum and minimum withdrawal force for plugs and socket-outlets

How to evaluate the testing result?

1. Application of the maximum withdrawal force: The plug is separated from the socket, judged as qualified; plug is not separated from the socket, you can make the supplementary weight from a height of 50mm fall onto the principle weight, it is judged as qualified if the plug is disengaged from the socket.

2. Application of the minimum withdrawal force: The gauge shall not fall from the contact assembly within 30 s, then judged as qualified.

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