ABB OVRHSP 2403H Series 설치, 운영 및 유지보수 매뉴얼 - 페이지 5
{카테고리_이름} ABB OVRHSP 2403H Series에 대한 설치, 운영 및 유지보수 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. ABB OVRHSP 2403H Series 12 페이지. Surge protective devices
페이지 인쇄
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)