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120 A SineWave™ with distributed neutral
Table of recommended protections per rating
Connection to the SineWave™ terminal block where Pcu = function of Isc
Distributed neutral
IT earthing system
Vigi Compact NS250
STR22E 250 A 4p 3d
magnetic threshold set at 2 x I nom
neutral protection via Vigi
sensitivity: 10 A
TT earthing system
Vigi Compact NS250
STR22E 250 A 4p 3d
magnetic threshold set at 2 x I nom
sensitivity: depending on installation
TNC earthing system
PEN
NC100H 3x80A curve B
TNS earthing system
NS250 STR22E 250 A 4p 3d
magnetic threshold set at 2 x I nom
Important: upstream breaking devices should be set in such a way as to guarantee good discrimination with the circuit-breakers recommended
on this page.
MGE UPS SYSTEMS
Is = 65 A
1
2
3
Is = 200 A
N
Is = 65 A
1
2
3
Is = 200 A
N
Is = 65 A
1
2
3
N
Is = 200 A
Is = 65 A
1
2
3
Is = 200 A
N
PE
installation and operation manual of SineWave™: E-51027008XT/AD
Vigi Compact NS250
STR22E 250 A 4p 3d
magnetic threshold set at 2 x I nom
neutral protection via Vigi
sensitivity: 10 A
Vigi Compact NS250
STR22E 250 A 4p 3d
magnetic threshold set at 2 x I nom
sensitivity: depending on installation
PEN
NC100H 3x80A curve B
NS250 STR22E 250 A 4p 3d
magnetic threshold set at 2 x I nom
Is = 65 A
1
2
3
Is = 200 A
N
Is = 65 A
1
2
3
Is = 200 A
N
Is = 65 A
1
2
3
N
Is = 200 A
Is = 65 A
1
2
3
Is = 200 A
N
PE
17
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