Withdrawal Force Test for Electrical Plugs: An In-depth Overview of Pego WDFA Plug Withdrawal Force Test Device

Issuing time:2025-01-07 11:59Author:Pego Electronics

In the electrical industry, ensuring the safety and reliability of electrical plugs is of utmost importance. One crucial aspect of evaluating plug quality is the withdrawal force test, which is carried out using specialized apparatuses for withdrawal force test equipment compliant with standard like IEC60884-1.


The Pego Plug Withdrawal Force Test Device is one of the most reliable and advanced devices for performing the withdrawal force test. It can be used to evaluate the firmness of the connection between the plug and the socket, verify whether the product meets the standards and specifications, ensure the consistency and stability of the product, optimize the design of the plug and socket, and evaluate the application of new materials.


1. Technical Parameters of the Pego WDFA Plug Withdrawal Force Test Device

Standard test plugs

10A two-pin plug, 10A with grounding three-pin plug, 16A with grounding three-pin plug (Can be customized as per customers figures)

Standard test bolt

1.5N, 2N

Main mass

40N, 50N, 54N

supplementary mass

4N, 5N, 5.4N

Clamp device

1 set

Rated value

Polarity

withdrawal force (N)

Max for multiplex pin gauge

Min for single pin gauge

Max for single pin gauge

≤10A

2

40

1.5

17

3

50

>10A~16A

2

50

2

18

3

54

3

70

>16A~32A

2

80

3

27

3

80

3

100

   plug-withdrawal-force-test-apparatus.jpg


2. IEC60884-1 Standard and Its Requirements

IEC60884-1 lays down specific guidelines for the withdrawal force test. According to this standard, the withdrawal force test device must be capable of applying a controlled and measurable force to the plug in a way that replicates real-world usage conditions. The test procedure involves inserting the plug into a standardized socket and then gradually increasing the withdrawal force until the plug disengages. The maximum force recorded during this process needs to fall within a certain range specified by the standard. This ensures that plugs neither detach too easily, risking loose connections, nor require an excessive force to remove, which could damage the socket or make it difficult for users to unplug devices in emergency situations.


3. The Significance of the Withdrawal Force Test Device

The withdrawal force test device serves multiple purposes. It helps to determine whether the plug can maintain a secure connection within the electrical socket during normal use, preventing accidental disconnections that could lead to power interruptions or even safety hazards. By subjecting plugs to this test, manufacturers can identify any design flaws or manufacturing inconsistencies that might affect the plug's ability to stay firmly inserted.


4. Components and Design of the Withdrawal Force Test Apparatus

A typical withdrawal force test apparatus consists of several key components. It is equipped with mass of different force values to achieve the required force. The multi-pin and single-pin plug gauge used in the test is also carefully designed to mimic the dimensions and electrical characteristics of commonly used sockets in the market, the pin of test plugs are made of hardened steel with roughness not exceeding 0.8μm. The test plug and single-pin gauges can be customized according to clients drawings.


5. Testing Procedure in Details

When conducting the test, the plug under examination is first inserted fully into the test socket. The operator then initiates the force application, usually at a slow and constant rate. As the force increases, the apparatus continuously monitors and records the force value. Once the plug begins to come out of the socket, the maximum force reached is noted. This value is then compared against the limits set by the IEC60884-1 standard. If the force is outside the acceptable range, further investigations into the plug's design or manufacturing process may be required.


6. Benefits by Using Pego Withdrawal Force Test Apparatus

Using the withdrawal force test apparatus that complies with IEC60884-1 offers numerous advantages. For manufacturers, it provides a reliable means of ensuring product quality and conformity. It helps to avoid costly recalls and potential legal issues due to non-compliant plugs. For consumers, it means they can have greater confidence in the electrical products they use, knowing that the plugs have been rigorously tested to stay securely in place. In the long run, it contributes to the overall safety and stability of the electrical grid by reducing the likelihood of faulty plugs causing disruptions.


In conclusion, the withdrawal force test equipment play a vital role in the electrical industry. By adhering to standards and conducting thorough tests, we can enhance the safety and reliability of electrical plugs, safeguarding both users and the electrical infrastructure.

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PEGO ELECTRONICS (YI CHUN) CO., LTD.

ADDRESS: No. 429, Yichun South Road ( Happiness Park),   Yuanzhou District, Yichun, Jiangxi, 336000, China

E-MAIL: sales@pegotester.com, salesHK@pegotester.com

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