HiPhi Guide: Design and Assembly according to IEC 61439 / EN 61439 (EN)

PASSION FOR POWER. Guide Design and assembly according to IEC 61439 / EN 61439 ENYSTAR Distribution Boards up to 250 A and Mi Power Distribution Boards up to 630 A Download at www.hensel-electric.de/61439

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GUIDE Design and assembly according to IEC 61439 / EN 61439 ENYSTAR Distribution Boards up to 250 A and Mi Power Distribution Boards up to 630 A Basics 4-6 Mi Power Distribution Boards IEC 61439 / EN 61439 7 Step 1: Collecting all the project data Interface characteristics of assemblies 8 Checklist to design switchgear assemblies according to IEC 61439 / EN 61439 9 Interface: Installation and ambient conditions 10 Interface: Operation and maintenance 11 Interface: Connection to the public power supply system 12 Interface: Electrical circuits and consumers 13 Step 2: Design of an assembly and design verifi cation Example:

Checklist to design switchgear assemblies according to IEC 61439 / EN 61439 14 Project design using the data from the checklist 15 HENSEL Planning tools at a glance 16-17 Verifi cations supplied by the system manufacturer 18 Verifi cations to be created by the panel builder 19 Determining the rated short-time withstand current (I cw ) of a circuit of an assembly 20-21 Feed:

Determining the rated current (I nA ) of an assembly 22 Rated current of an outgoing circuit (I nC ) 23 Determining the operating current (I B ) 24 Calculation of the power dissipation (P V ) 25 Determining the rated diversity factor (RDF) 26 Design verifi cation of permissible temperature rise according to IEC 61439-1 / EN 61439-1 Section 10.10 27 ENYGUIDE Online tool 28-29 Step 3: Assembly / manufacture of the distribution board Assembly instructions for distribution board systems 30-31 Routine verifi cation / inspection (routine test report) 32-33 Step 4 Manufacturer's marking 34 Step 5 Declaration of EC conformity (check lists for the manufcturer of an assembly) 35 Documentation 36-37 3

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Why a guide to practice? There is a precise conformity on the content of the Standard 61439 in the IEC and EN world of standards. Consequently this document uses the writing IEC 61439 / EN 61439 in the following. Guide 61439 for the practice: 5 steps to a standard-conforming switchgear assembly The guide lists the process of design, assembly and documentation of a low-voltage switchgear assembly in the order of the necessary steps and at the same time assigns to these steps the relevant sections from the standard IEC 61439 / EN 61439.

The application of the guide is focused on the manufacturing of distribution boards up to 630 A and in addition to checklists and instructions regarding the verifi cation of compliance with the maximum temperature rise. IEC 61439 / EN 61439 - New tasks and responsibilities for the electrician IEC 61439 / EN 61439 shows how a low-voltage switchgear assembly, which is safe for the user, can be built. In addition to changes affecting the design of an assembly, the manufacturer of a switchgear assembly is faced with new tasks and responsibilities. Defi nes which documents belong to a low-voltage switchgear assembly and which verifi cations need to be maintained.

Makes statements regarding the rating of the assembly so that a design verifi cation can be maintained. The guide can be downloaded from: www.hensel-electric.de/61439 w w HENSEL, as the system manufacturer, supports panel builders with this guide to design and assemble safe low-voltage switchgear assemblies according to IEC 61439 / EN 61439. 4 4 Step 1 Collecting all the project data Step 2 Assembly design and design verification Step 3 Assembly / manufacture of the distribution board Step 4 Manufacturer's marking Step 5 Declaration of CE conformity (check lists)

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Basics of IEC 61439 / EN 61439 Legal Basis of LVD 2014/35/EU* Compliance with this legal basis is confi rmed by the declaration of conformity by the manufacturer of a switchgear assembly. Reference to EN 61439 implies that the basic requirements of the directive have been met. If the legal requirements are not met, the purchaser has no liability protection! EU only In the European Union, the Low Voltage Directive LVD 2014/35/EU forms the legal basis for all electrical equipment between 50 and 1000 V a.c., or 75 and 1500 V d.c.

If harmonized standards are not applied, the manufacturer of the switchgear assembly has a duty to establish compliance with the above protection objectives by appropriate means. This directive pursues the pro- tection objective that electrical equipment must not jeopardize the safety of persons, livestock, and the preservation of property, and refers to the harmonized standards, which are published in the Offi cial Journal of the EU.

*LVD = Low Voltage Directive Structure of IEC 61439 / EN 61439 IEC/TR 61439-0 Planning guide for low-voltage switchgear assemblies IEC 61439-1 / EN 61439-1 General requirements for low-voltage switchgear assemblies IEC 61439-1 / EN 61439-1 is a general part which must be read in conjunction with the product section IEC 61439-2 to -7 / EN 61439 -2 to -7. Does not include product- specifi c requirements. Describes operating conditions, assembly requirements, technical properties and requirements, as well as verifi cation options for low- voltage switchgear assemblies and lists the terms used. New terminology of product responsibility:

Original manufacturer (system manufacturer) and manufacturer of switchgear assembly (panel builder) with new regulation for product responsibility. More safety through the defi nition of requirements for switchgear assemblies that affect the construction of the system, e.g. rated short-time withstand current, current carrying capacity, resistance to temperature rise. More safety by determining the rating data that are essential for the function of a switchgear assembly under operating conditions. For this purpose, the switchgear is considered as a BLACK BOX.

5 IEC 61439-2 / EN 61439-2 Power switchgear and controlgear assembly (PSC) IEC 61439-3 / EN 61439-3 Distribution boards intended to be operated by ordinary persons (DBO) IEC 61439-4 / EN 61439-4 Construction site distributors C 61439-5 / EN 61439-5 ble Distribution Cabinets IEC 61439-6 / EN 61439-6 Busbar distributors IEC/TS 61439-7 Distributor for camping, market places, marinas and charging stations for electric vehicles

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