IEC DEGREES OF PROTECTION PROVIDED BY ENCLOSURES (IP CODE). operational equipment) must, according to IEC , belong to a specific type of protection. The types of pro- tection are also called IP codes. The abbreviation. IEC & NEMA Standards. ENCLoSurE ProTECTIoN rATINg SySTEMS. The International Electrotechnical Commission (IEC) has established an.
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The first characteristic numeral indicates that: Table 3 gives brief descriptions and definitions of the protection for the degrees represented by the second characteristic numeral. Dust-tight enclosures to numeral 6 do not allow any dust to penetrate. Search the history of over billion web pages on the Internet. High precision made of all plastic. In the absence of a specification the acceptance conditions of this 660529-1 shall at least apply.
The second digit indicates the extent of protection against water. Conversely, an enclosure which protects equipment against ingress of particles will also protect a person from potential hazards lec that enclosure, and this degree of protection is also defined as a standard.
The corresponding Indian Standards, which are to be substituted in their respective places are listed below along with their degree of equivalence for the editions indicated: The counterbalanced shield is in place for this test. For enclosures without drain-holes, the relevant product standard shall specify the acceptance conditions if water can accumulate to reach live parts.
In this adopted standard, references appear to certain International Standards for which Indian Standards also exist. This system can produce the required levels of pressure to perform even the highest level of the IP Code jet nozzle tests.
In the case 600529-1 the test for the additional letter B, the jointed test finger may penetrate to its 80 mm length, but the stop face 0 50 mm x 20 mm shall not pass through the opening. No part of the these publications may be reproduced in any form without the prior permission in writing of BIS. For undated references, the latest edition of the normative document referred to applies. The osciiiaihrcpabe has -spray holes over 600529-1 whole ” of the semicircle.
NOTE Enclosures assigned a first characteristic numeral of 1 to 4 generally exclude both regularly and irregularly shaped solid foreign objects provided that three mutually perpendicular dimensions of the object exceed the appropriate figure in column 3 of table 2.
Marking with the IP Code indicates a claim for compliance with all the applicable requirements of 605299-1 standard and also with any complementary requirements specified in the appropriate product standard. Product Details Designed to sit on top of the specimin grate of our drip box systems. For the purpose of deciding whether a particular requirement of this standard is complied with, the final value, observed or calculated expressing the irc of a test, shall be rounded off in accordance with IS 2: Certain conventions are, however, not identical to those used in Indian Standards.
The support is not perforated. IP65, where the numbers define the degree of protection. Table 4 gives access probes considered by convention as representative of parts of the human body or objects held by a person and the definitions 600529-1 the degrees of protection against access to hazardous parts, indicated by additional letters.
Dust-protected enclosures to numeral 5 allow a limited quantity of dust to penetrate under certain conditions. Model P18 Spray Test Chambers. The counterbalanced shield is removed from the spray nozzle and the enclosure is sprayed from all practicable directions. Tested for harmful effects due to ingress of water when the movable parts of the equipments are in motion.
The second edition of IEC takes account of experienced with the first edition and clarifies the requirements. Earthing and protection against electric shock 605529-1 The tests are specified in clause Product Details For checking the protection against water to prove the degrees of protection 660529-1 the second number X1.
J IEC Electrical installations of buildings IEC 60592-1 maximum acceptable radius of the oscillating tube is 1 mm. If it is impracticable to make a special hole, the suction connection shall be made to the cable inlet hole.
Bureau of Indian Standards BIS is a statutory institution established under the Bureau of Indian Standards Act, to promote harmonious development of the activities of standardization, marking and quality certification of goods and attending to connected matters in the country.
IP Protection Degree (IEC ) Explained
If there are other holes for example, more cable inlet holes or drain-holes these shall be treated as intended for normal use on site. For more comprehensive examples see clause 9. Review of Indian Standards Amendments are issued to standards as the need arises on the basis of comments. It is signified with a number like IP65, IP 67 etc. Gracie May 28, Due to the simultaneous requirement specified in table uec, the definition ic not penetrate” is given in table 1.
Object probes for numerals 3 and 4 shall not penetrate the enclosure at all. An enclosure designated with second characteristic numeral 7 or 8. Is there a governing body that runs the tests, or do the companies do the test on their 605529-1 and submit the results somewhere?
For tests on low-voltage equipment, a low-voltage supply of not less than 40 V and iiec more than 50 V in series with a suitable lamp should be connected between the probe and the hazardous parts inside the enclosure.
Product Details This is an optional accessory device for the turntables.
Complete test device includes nozzle head, moving shield, pressure gauge, handle, flow control and shut off valve, and any connecting hose. General and guidance IEC Table 4 – Degrees of protection against access to hazardous parts indicated by the additional letter Additional tetter Degree of protection Test conditions, ,f see Brief description Definition A Protected against access with the back of the hand The access probe, sphere of 50 mm 0, shall have adequate clearance from hazardous parts If it partly or fully penetrates, it is placed in every possible position, but in no case shall the stop face fully penetrate through the opening.
Any drain-hole normally open shall be left open for the duration of the test. The protection against the ingress” of solid foreign objects implies that the object probes up to numeral 2 in table 2 shall not fully penetrate the enclosure.