TERASAKI TemBreak 2 - Page 32

4-6
Connection of conductors to DC circuit breakers
Type of breakers
No.s of
poles
Applicable
voltage
(V)
Non-grounded system
(Protection + Isolation function)
Applicable
voltage
(V)
Ordinally
connection
Source
Load
Source
Load
Source
Load
Reverse
connection
Source
Load
Source
Load
Source
Load
Applicable
voltage
(V)
Note ③：AGR over-current release can not be used for DC. Please prepare DC over-current relay and connect with shunt trip device.
Grounded system
(Protection)
Grounded system
(Protection + Isolation function)
Rated breaking
capacity
I
cu
/ I
cs
Rated breaking
capacity
I
cu
/ I
cs
Rated breaking
capacity
I
cu
/ I
cs
AR325-NDH ③
4P
≦800
30kA/30kA
≦800
30kA/30kA
≦600
30kA/30kA
Type of breakers
No.s of
poles
Applicable
voltage
(V)
Non-grounded system
(Protection + Isolation function)
Applicable
voltage
(V)
Ordinally
connection
Source
Load
Source
Load
Source
Load
Reverse
connection
Source
Load
Source
Load
Source
Load
Applicable
voltage
(V)
AR216S ③
Note ③：AGR over-current release can not be used for DC. Please prepare DC over-current relay and connect with shunt trip device.
3P
≦600 ≦600 ≦400
Grounded system
(Protection)
Grounded system
(Protection + Isolation function)
Rated breaking
capacity
I
cu
/ I
cs
Rated breaking
capacity
I
cu
/ I
cs
Rated breaking
capacity
I
cu
/ I
cs
40kA/40kA 40kA/40kA 40kA/40kA
AR220S ③
3P
≦600
40kA/40kA
≦600
40kA/40kA
≦400
40kA/40kA
AR325S ③
3P
≦600
40kA/40kA
≦600
40kA/40kA
≦400
40kA/40kA
AR440S ③
3P
≦600
40kA/40kA
≦600
40kA/40kA
≦400
40kA/40kA
AR332S ③
3P
≦600
40kA/40kA
≦600
40kA/40
kA
≦400
40kA/40kA
AR208S ③
3P
≦600
40kA/40kA
≦600
40kA/40kA
≦400
40kA/40kA
AR212S ③
3P
≦600
40kA/40kA
≦600
40kA/40kA
≦400
40kA/40kA