This FAQ has been written for NEAL (North East Africa and Levant) region. If you are looking for information for another region, please select the correct country from the top-left dropdown in the page and 'Navigate to Browse FAQs' in the Support menu.
For the MCCB of type NSX 400/630 A or even the 100/160/250 A,
The Available trip units are up to 6.2 or 6.3 That are responsible for ground fault protection and not earth leakage protection so in order to perform earth leakage protection for MCCB NSX 400/630 A one of the following methods can be suitable:
1- Using the Trip unit accessory (Vigi Module with variable adjustable sensitivity) that is added to the MCCB
2- Using the external vigirex module with closed toroid that is connected to the trip unit of the MCCB.
The Available trip units are up to 6.2 or 6.3 That are responsible for ground fault protection and not earth leakage protection so in order to perform earth leakage protection for MCCB NSX 400/630 A one of the following methods can be suitable:
1- Using the Trip unit accessory (Vigi Module with variable adjustable sensitivity) that is added to the MCCB
2- Using the external vigirex module with closed toroid that is connected to the trip unit of the MCCB.