Frequently asked questions
Is Groundfault protection provided in the U-line starter?
FA174809
30 September 2021
Issue:Is Groundfault protection provided in the U-line starter?
Product Line:
Self protected Integral Starter
Environment:
Tesys U-line control modules
Cause:
Product feature, Product requirement
Resolution:
Yes. For the LUCA/B/C/D control modules, the threshold values are preset and are not available for adjustment. The threshold value is set to 5 x Ir maximum and will trip within 2 seconds. For the LUCM multifunction control module, the threshold values are adjustable and can be set as follows:
- Trip - on or off
- Trip Time - 0.1 - 1.2 seconds
- Trip Level - 20 - 500% of FLA minimum
- Warning - on or off
- Warning level - 20 - 500% of FLA minimum