Installation, Operation and Maintenance Manual
IO-70103 RevE 08-17
11
MODEL 520 - Suggested Circuit Breaker And Wire Size
Surge Rating
Per Phase
Allowable Range
Factory Suggested Size
Circuit Breaker Size
Connection Wire Size
Circuit
Breaker Size
Connection
Wire Size
With Disconnect
With Terminals
With Disconnect
With Terminals
130kA - 160kA
15A - 150A
15A - 100A
#8 1/O
#14 - #2
40A
#8
200kA - 300kA
15A - 175A
15A - 100A
#8 1/O
#14 - #2
40A
#8
400kA - 500kA
15A - 175A
15A - 100A
#8 1/O
#14 - #2
100A
#2
DIMENSIONAL INFORMATION
Surge Rating
Per Phase
A x B x C
D
E
F
Weight
130kA - 320kA
16” x 14” x 8”
[406 x 356 x 203]
16.75”
[425.5]
12”
[304.8]
0.31”
[7.9]
130-160: 32 lb [14.5 kg]
200-320: 41 lb [18.6 kg]
400kA-500kA
20” x 16” x 8”
[508 x 406 x 203]
21.25”
[539.8]
20”
[508]
0.44”
[11.2]
56 lb. [25.4 kg]
MODEL 510 - Suggested Circuit Breaker And Wire Size
B
E
1.35”
[34.03]
D
A
C
F
Summary Alarm Contacts
Connection shall be with
#18 – 22 AWG. Form ‘C’
contacts are rated 5 amps
at 250 VAC max.
Overcurrent Protection
(Circuit Breaker):
Allowable Range: 15A - 30A
Suggested Size: 30A
Connection Wire:
Allowable Range: #14 - #10
Suggested Size: #10
#10 supplied when built with
“W=Wire Leads” option.
Weight
:
6.5 lb. (3 kg)
Summary Alarm Contacts:
Connection shall be with
#18 – 22 AWG. Form ‘C’ contacts are
rated 5 amps at 250 VAC max.
(With AC Applied)
Pin 1 = Normally Open
Pin 2 = Common
Pin 3 = Normally Closed
Located on PCB behind
the monitoring panel
NC
COM
NO
With AC Applied
NC = Normally Open
COM = Common
NO = Normally Closed
Shown
with cover
removed
