LEGRAND DAKER DK Plus 3 101 73 - 1 Introduction

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1 Introduction
Congratulations on your recent LEGRAND purchase!
ATTENTION
It is necessary to read the whole manual carefully before doing any operation.
DAKER DK Plus must be used only in residential, commercial and industrial environments.
The following diagrams illustrate the architectures of the UPS system in case they have single or
dual input (dual input available only for the 10000 VA single-phase model 3 101 77):
The major modules consist of:
• An AC-to-DC power converter (rectifier) with PFC control circuit.
• A DC-to-AC high frequency inverter.
• A battery charger.
• A battery bank.
• A DC-to-DC push/pull converter control circuit.
• A static bypass loop.
• Input and output EMI filters.