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.
Please refer the attached document connection in 3P RCCB.
You can follow the same document for connection in three-Phase without neutral.
>> If you are using Acti9 range RCCB, You don't need to add the resistor with iID Acti9 RCCB. You can directly connect the 3 phase on 3 poles of RCCB (without neutral).
>> If you are using the Multi9 ID range RCCB, we need to add a resistance with specific resistance values to be compliant with 380-415V. Please refer the attached sheet for connection & resistance values to e used with multi9 range of RCCB.
The devices have a toroid which gets energized on out of balance currents and trips .
The toroid does not care if there is 2 or 3 or 4 lines connected to it as far as out of balance current is concerned.
If there is 3 phases + N then all the phases and N conductors will vector sum to zero - unless there is out of balance current = trip if exceeding the threshold..
If there is 3 phases and No N conductor - then exactly the same applies = sum of the 3 currents = zero or you have a trip condition if the out of balance current is greater than the threshold.
We can get by without having a N conductor connected to the RCCB as below - because the test button creates a resistive load outside the toroid at rated voltage to test trip the device.
You can follow the same document for connection in three-Phase without neutral.
>> If you are using Acti9 range RCCB, You don't need to add the resistor with iID Acti9 RCCB. You can directly connect the 3 phase on 3 poles of RCCB (without neutral).
>> If you are using the Multi9 ID range RCCB, we need to add a resistance with specific resistance values to be compliant with 380-415V. Please refer the attached sheet for connection & resistance values to e used with multi9 range of RCCB.
The devices have a toroid which gets energized on out of balance currents and trips .
The toroid does not care if there is 2 or 3 or 4 lines connected to it as far as out of balance current is concerned.
If there is 3 phases + N then all the phases and N conductors will vector sum to zero - unless there is out of balance current = trip if exceeding the threshold..
If there is 3 phases and No N conductor - then exactly the same applies = sum of the 3 currents = zero or you have a trip condition if the out of balance current is greater than the threshold.
We can get by without having a N conductor connected to the RCCB as below - because the test button creates a resistive load outside the toroid at rated voltage to test trip the device.
Released for:Schneider Electric Egypt and North East Africa
