Schneider Electric MNA01M001EN manual See .2 DC fuses for fuses for the DC bus

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3 Engineering

LXM32

Multiple mains fuses Multiple mains fuses are required if the total input current of all drives connected via the common DC bus exceeds the maximum fuse rating shown in the table below.

Multiple mains fuses

 

Maximum fuse rating

LXM32∙∙∙∙M2

A

25

 

 

 

If multiple mains fuses are required, additional DC bus fuses must be used upstream of each drive. The DC bus fuses must be suitable for 600 Vdc.

DC bus fuses

Maximum fuse rating

LXM32∙∙∙∙M2

A

25

 

L1

 

 

 

 

N/L2

 

 

 

 

 

N/L2 L1

 

N/L2 L1

N/L2 L1

 

PC/- PA/+

PC/- PA/+ PC/- PA/+

DC+

 

 

 

 

DC -

 

 

 

 

Figure 3: Multiple mains fuses for single-phase drives

See chapter "6.2 DC fuses" for fuses for the DC bus.

The use of mains reactors can reduce the input current. Due to the lower input current, it may be possible to operate the drives with just a single mains fuse.

MNA01M001EN, V1.01, 08.2014

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Common DC bus

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Contents LXM32 LXM32 Table of contents Accessories and spare parts Safety Information Hazard categoriesQualification of personnel Intended useBasic information Loss of Control DC bus voltage measurement Standards and terminologyLXM32 About the book LXM32 Introduction Permissible device types for common DC bus Technical Data Firmware versionDC bus data Braking resistor LXM32 ∙ U45M2 U90M2 D18M2 D30M2Parameter DCbuscompat External braking resistors accessories VW3A760 1Rxx 2Rxx 3Rxx 4Rxx 5Rxx 6Rxx 7RxxCables for the DC bus Engineering Energy balance Energy balance basicsRating Electromagnetic compatibility EMC DC bus connectionDC bus connection of single-phase drives FusesSee .2 DC fuses for fuses for the DC bus DC bus connection of three-phase drives Single mains fuse for three-phase drivesMultiple mains fuses for three-phase drives Supply via the DC bus Supply via the DC bus by a drive LXM32 Braking resistors Rating the braking resistorPmax Rating information Selecting an external braking resistor Mains reactor L2 L1 PC/- PA/+ Mains filter Mains reactor and external mains filter LXM32 Installation Specifications for drives with mains supply Assembling cablesPart Length in mm inches LXM32∙ D85, C10 Wiring the DC bus Drives with connectorsNector Drives with terminals Properties of the connection termi- nals CN9Connecting the DC bus DC bus connection, example with connectorVerifying installation LXM32 Commissioning Commissioning procedure DC bus connection LXM32 to LXM32MONMainsVolt LXM32 Setting the braking resistor parameters DC fuses Accessories and spare partsDC bus accessories External braking resistors Glossary Units and conversion tablesTorque TemperatureRotation Moment of inertiaTerms and Abbreviations LXM32 Table of figures LXM32 Index EMCLXM32

MNA01M001EN specifications

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