Find the most up-to-date version of IEC at Engineering IEC Insulation Coordination for Equipment within Low-Voltage Systems – Part 4: Considerations of High-Frequency Voltage Stress. Buy IEC INSULATION COORDINATION FOR EQUIPMENT WITHIN LOW-VOLTAGE SYSTEMS – PART 4: CONSIDERATION OF.

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Applies to equipment for use up to 2 m above sea level having a rated voltage up to a. This part does not deal with distances ic through liquid insulation, – through gases other than air, – through compressed air.

By using Part 1 or Part 5 together with this part the frequency limit of Part 1 or Part 5 is extended to frequencies higher than 30 kHz. It applies to equipment for use up to 2 m above sea level having a rated voltage up to a.

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Our prices are in Swiss francs CHF. The major changes made during the revision of IEC were the following: Therefore it is not necessary to take it into account. The following test report forms are related: The dimensioning values directly apply for basic insulation; for reinforced insulation additional 60664–4 apply according to Part 1.

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The dimensioning values directly apply for basic insulation; 60664–4 reinforced insulation additional requirements apply according to Part 1.

It is applicable for the dimensioning of clearances, creepage distances and solid insulation stressed by any type of periodic voltages with a fundamental frequency above 30 kHz and up to 10 MHz.

In normal 6664-4 of equipment, it is assumed that the interference of high-frequency voltages emitted to the mains is negligible with respect to insulation stress.

We accept all major credit cards American Express, Mastercard and VisaPayPal and bank transfers as form of payment. This part also applies to Part 3 for frequencies iwc than 30 kHz and protection of type 1. TC – Insulation co-ordination 60646-4 low-voltage equipment rss. Insulation coordination for equipment within low-voltage systems — Part 4: It has the status of a horizontal standard in accordance with IEC Guide Consideration of high-frequency voltage stress.

It is applicable for the dimensioning of clearances, creepage distances and solid insulation stressed by any type of periodic voltages with a fundamental frequency above 30 kHz and up to 10 MHz. The object of this standard is to guide technical committees responsible for different equipment in order to rationalise their requirements so that insulation coordination is achieved when specifying clearances in air, creepage distances and solid insulation for equipment.

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Preview Abstract IEC Skip to main content. The minimum clearances specified in this part do not apply where ionized gases occur.

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Do you need a multi-user copy? Specifies the requirements for clearances, creepage distances and solid insulation for equipment based upon their performance criteria.

For type 2 protection this question is under consideration. Related publications IEC This part also applies to Part 3 for frequencies greater than 30 kHz and protection of type 1. 606664-4 2 This standard does not consider the high-frequency emission to the mains. By using Part 1 or Part 5 together with this part the frequency limit of Part 1 or Part 5 is extended to frequencies higher than 30 kHz.

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This part of IEC deals with basic, supplementary and reinforced insulation subjected to high-frequency voltage stress within low-voltage equipment. Special requirements for such situations may be specified at the discretion of the relevant technical committee.

For type 2 protection this question is under consideration.