Schneider Electric MNA01M001EN manual Multiple mains fuses for three-phase drives

Models: MNA01M001EN

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3 Engineering

LXM32

Multiple mains fuses Multiple mains fuses are required A single fuse is sufficient if the total input current of all drives connected via the common DC bus is less than the maximum fuse rating shown in the table below.

Multiple mains fuses

 

Maximum fuse rating

LXM32U60N4, LXM32D12N4,

A

32

LXM32D18N4, LXM32D30N4,

 

 

LXM32D72N4

 

 

LXM32D85N4, LXM32C10N4

A

63

 

 

 

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

LXM32U60N4, LXM32D12N4,

A

32

LXM32D18N4, LXM32D30N4,

 

 

LXM32D72N4

 

 

LXM32D85N4, LXM32C10N4

A

63

 

 

 

L1

 

 

L2

 

 

L3

 

 

L3 L2 L1

L3 L2 L1

L3 L2 L1

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

DC+

 

 

DC -

 

 

Figure 5: Multiple mains fuses for three-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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Schneider Electric MNA01M001EN manual Multiple mains fuses for three-phase drives

MNA01M001EN specifications

The Schneider Electric MNA01M001EN is a highly advanced solution designed to optimize energy management and enhance operational efficiency in various applications. As a crucial component in Schneider Electric's portfolio of energy management systems, the MNA01M001EN stands out due to its innovative features and robust technologies.

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