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6
OV R H T P S E R I E S S P D S
—
Service configurations
L1
L1
N
N
N
XO bond
G
Earth
ground
—
Figure 1: 1-phase, 2-wire
L1
L2
N
N
L1
L2
N
XO bond
G
Earth
ground
—
Figure 2: 2-phase, 3-wire
Please refer to the "OCPD" chart to determine if the SPD requires an upstream breaker/fuse.
1
OVRHTP 60 through 100 kA are furnished with #10 AWG leads. OVRHTP 120 through 200 kA are furnished with #6 AWG leads.
2
200 thorough 400 kA are furnished with #10–#4 AWG Lugs. Additionally, units with a ML, PL, or SL in part number.
1
30–200 amp, 1-pole
circuit breaker
OVRHTP
L
G
G
N
2
Conductors
furnished
with SPD
1
30–200 amp, 2-pole
circuit breaker
OVRHTP
L1
L2
G
G
N
2
Conductors
furnished
with SPD
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
30–200 amp, 3-pole
circuit breaker
OVRHTP
A
B
C
G
G
N
2
Conductors
furnished
with SPD
1
30–200 amp, 3-pole
circuit breaker
OVRHTP
A
B
C
G
G
2
Conductors
furnished
with SPD
1
30–200 amp, 3-pole
circuit breaker
C
OVRHTP
A
B
C
G
G
N
2
Conductors
furnished
with SPD
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