In the realm of electrical and mechanical safety testing, the IEC61032 international standard plays a crucial role. It meticulously defines the details and dimensions of test probes, which are essential tools for evaluating the protective capabilities of enclosures.
The primary focus of IEC61032 is two - fold. Firstly, it aims to safeguard individuals from accessing hazardous components housed within enclosures. This is of utmost importance as coming into contact with hazardous live parts or mechanical parts can lead to severe injuries, including electric shocks, burns, or physical trauma. Secondly, the standard is concerned with protecting the equipment inside enclosures from the intrusion of solid foreign objects. Such intrusions can disrupt the normal operation of the equipment, cause short - circuits, or damage internal components.
One of the key objectives of this standard is to consolidate object probes and access probes that are currently scattered across various other standards. By bringing them together in a single publication, along with any newly required probes, it creates a comprehensive resource. This not only simplifies the process of selecting the appropriate test probes for technical committees but also serves as a guiding document. It encourages all relevant parties to adhere to the specifications set by IEC61032 rather than making arbitrary modifications to the details and dimensions of the probes. This standardization effort helps in limiting the uncontrolled proliferation of different types of test probes, which could otherwise lead to confusion and inconsistent testing results.
1 | 2 | 3 | 4 |
Probe and application | Probe Name and Figure No. |
Short description mm |
Forces to be applied N |
Access probes of IEC60529 (IP code) To verify protection of persons against access to hazardous live parts or hazardous mechanical parts |
Test Probe A (Figure 1) Test Probe B (Figure 2) Test Probe C (Figure 3) Test Probe D (Figure 4) |
- Sphere: Ø50mm with handle - Jointed Test Finger - Rod: Ø2.5 - length 100 - Wire: Ø1.0 - length 100 |
50 10 3 1 |
Object probes of IEC60529 (IP code) To verify protection of equipment against ingress of solid foreign objects |
Test Probe 1 (figure 5) Test Probe 2 (figure 6) |
- Sphere: Ø50mm - Sphere: Ø12.5mm |
50 30 |
Other access probes to verify the protection of persons against access to hazardous live parts or hazardous mechanical parts |
Test Probe 11 (Figure 7) Test Probe 12 (Figure 8) Test Probe 13 (Figure 9) Test probe 14 (Figure 10) Test Probe 17 (Figure 11) Test Probe 18 (Figure 12) Test Probe 19 (Figure 13) |
- Unjointed test finger - Cylindrical pin:Ø4 - length 50 - Conical pin: Ø3 to 4 - length 15 - Bar: 3*1 - Wire: Ø0.5 - Small finger probe: Ø8.6-length 57.9 - Small finger probe: Ø5.6-length 44 |
50 * * 20 * 10 10 |
Other access probes to verify protection of persons against access to hazardous mechanical parts |
Test Probe 31 (Figure 14) Test Probe 32 (Figure 15) |
- Cone: Ø110/60 - Rod: Ø25 |
50 30 |
Other access probes to verify protection of persons against access to hot or glowing parts |
Test Probe 41 (Figure 16) Test Probe 43 (Figure 17) |
- Probe: Ø30 - Bar: 50*5 |
* * |
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