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文档类型 常问问题 文档编号 51576950, 文档发布日期 2018年12月12日
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3RW30, 3RW40, 3RW44 Soft Starters: How high is the rated insulation voltage Ui and rated impulse withstand voltage Uimp on the main and control voltage side?

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This entry contains information about insulation voltage Ui and rated impulse withstand voltage Uimp on the main and control voltage side

QUESTION:

How high is the insulation voltage Ui and rated impulse withstand voltage Uimp on the main and control voltage side of the subsequent Soft Starters?
3RW30..-.BB..
3RW40.
3RW44


ANSWER:

The data of the insulation voltage Ui and and rated impulse withstand voltage on the main and control voltage side for the subsequent Soft Starters are as follows:

3RW30..-.BB..
3RW40
Main circuit:
Insulation voltage Ui: 600 V
Impulse voltage Uimp test: 6 kV

Control circuit:
Insulation voltage Ui: 300 V
Impulse voltage Uimp test: 4 kV


3RW44
Main circuit:
Insulation voltage Ui: 690 V
Impulse voltage Uimp test: 6 kV

Control circuit:
Insulation voltage Ui: 300 V
Impulse voltage Uimp. Test: 4 kV