Schneider Altivar 71 VW3A7201 handleiding

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Schneider

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Handleiding

28 1757361 06/2012

Operation on a neutral IT (isolated or impedance grounded neutral)

system

Types of electrical network and their main characteristics

Comply with the restrictions relating to each type of network.

If you want to use braking units on types of network that are not listed in the table below, please contact our technical experts.

Specification of the cables used

Network type Use of the braking unit Note

Star connection with

grounded neutral

Permitted Comply with the technical

data for the unit

Star connection with

isolated or impedance

grounded neutral

Permitted after consultation

with the manufacturer and

possible modification of the

unit

With grounded active

neutral

Permitted after checking

with the manufacturer

• The cables used must comply with the specifications for the site (for example UL or UL-c)

• The restrictions concerning the minimum cross-section of the grounding cables must be adhered to!

• The efficiency of a shielded cable is dependent on:

- A correctly shielded connection

- The quality of the connection of the shielding

- Low impedance of the shielding (only use tinned copper or nickel-plated copper shielding!).

Bekijk gratis de handleiding van Schneider Altivar 71 VW3A7201, stel vragen en lees de antwoorden op veelvoorkomende problemen, of gebruik onze assistent om sneller informatie in de handleiding te vinden of uitleg te krijgen over specifieke functies.