Schneider Electric Altivar 21 H Variable Speed Drive Simplified Manual

A simplified multilingual installation and operation guide for the Schneider Electric Altivar 21 H variable speed drive, covering safety, wiring, and…

Brand: Schneider Electric
Category: Motor
Document type: User Manual
Language: French
Pages: 139
File format: PDF
File size: 4.2 MB
Published: 17 October, 2026
Updated: 17 October, 2026
MD5 checksum: BC6A53F3B292A12003C511322CD2EE74
PDF: Schneider Electric Altivar 21 H Variable Speed Drive Simplified Manual PDF

About this manual

This document serves as a simplified manual (Guide simplifié) for the Altivar 21 H Variable Speed Drive designed for asynchronous motors. It is available in multiple languages including French, English, German, Italian, Spanish, and Chinese. The guide covers essential safety information, installation instructions, wiring diagrams, and configuration procedures. This manual is written in French.

What's inside

Informations importantes
Avant de commencer
Les étapes de la mise en œuvre
Recommandations préliminaires
Montage
Précautions de câblage
Borniers puissance
Borniers de contrôle
Schémas de raccordement
Programmation

Specifications

Power Range (Low Voltage)	0.75 ... 30 kW (1 ... 40 HP) / 200 - 240 V
Power Range (High Voltage)	0.75 ... 75 kW (1 ... 100 HP) / 380 - 480 V
Protection Rating	UL Type 1 / IP20

Frequently asked questions

How long must one wait after cutting power before measuring DC bus voltage?

You must wait 10 minutes to allow the DC bus capacitors to discharge.

What is the maximum safe voltage for measuring the DC bus?

The measurement should verify that the DC bus voltage is below 45 V.

What are the recommended ambient temperature conditions for mounting?

The drive can be installed without derating up to 40°C with factory settings.

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