ABB OVRHSP 2403Y Series Manuel d'installation, d'utilisation et d'entretien - Page 5
Parcourez en ligne ou téléchargez le pdf Manuel d'installation, d'utilisation et d'entretien pour {nom_de_la_catégorie} ABB OVRHSP 2403Y Series. ABB OVRHSP 2403Y Series 12 pages. Surge protective devices
Imprimer la page
Service configurations
Figures 1–5 show the electrical relationship between OVRHSP(SR)
series unit and these five basic service configurations:
1-phase, 2-wire; 2-phase, 3-wire; 3-phase Wye, 4-wire;
3-phase Delta, 3-wire and 3-phase High-Leg Delta, 4-wire.
L1
L1
N
N
N
Xo BOND
G
EARTH
GROUND
Figure 1: 1-phase, 2-wire
L1
N
N
L1
L2
N
Xo BOND
G
EARTH
GROUND
Figure 2: 2-phase, 3-wire
1
30–200 AMP, 1-POLE
CIRCUIT BREAKER
OVRHSP(SR)
L
G
G
N
2
CONDUCTORS
FURNISHED WITH
OVRHSP(SR)
1
30–200 AMP, 2-POLE
CIRCUIT BREAKER
L2
OVRHSP(SR)
L1
L2
G
G
N
2
CONDUCTORS
FURNISHED WITH
OVRHSP(SR)
B
A B C
N
N
C
A
N
Xo BOND
G
EARTH
GROUND
Figure 3: 3-phase Wye, 4-wire
B
A B C
N
C
A
G
EARTH
GROUND
Figure 4: 3-phase Delta, 3-wire
Note: High-Leg Orange must be B Phase
B
A B
N
N
C
A
N
Xo BOND
G
EARTH
GROUND
Figure 5: 3-phase High-Leg Delta, 4-wire
1
All OVRHSP(SR) series units can be connected without an
upstream breaker/fuse.
2
OVRHSP 60 through 100kA and all OVRHSR units are
furnished with #10 AWG leads.
OVRHSP/OVRHSR surge protective device | Product manual 5
1
30–200 AMP, 3-POLE
CIRCUIT BREAKER
OVRHSP(SR)
A
B
C
G
G
N
2
CONDUCTORS
FURNISHED WITH
OVRHSP(SR)
1
30–200 AMP, 3-POLE
CIRCUIT BREAKER
OVRHSP(SR)
A
B
C
G
G
2
CONDUCTORS
FURNISHED WITH
OVRHSP(SR)
1
30–200 AMP, 3-POLE
CIRCUIT BREAKER
C
OVRHSP(SR)
A
B
C
G
G
N
2
CONDUCTORS
FURNISHED WITH
OVRHSP(SR)