Cutler-Hammer Digitrip RMS 510, Инструкция по эксплуатации

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Q)
§
1
N
"'
Q)
c:
2
0
N
(")
"'
c:
0
I
3200 A
)
1 600 A
)
200 A
)
N
3
Main
Z1
0.5 Sec
1 200 A
Feeder
Z2
0.3 Sec
400 A
Branch
0. 1 Sec
Z3
1 00 A
Fig. A. 1 Typical Zone Interlocking (Ground Fault Pro­
tection)
M 1
0.1 Sec
0 . 1 Sec
Notes: A1 :
A2:
I.L. 29-8858
Wiring to be twisted pair of AWG No. 1 4
to AWG No. 20.
Route Zone Interlocking wiring sepa­
rate from power conductors.
DO NOT GROUND any Zone Interlock
Wiring.
The maximum distance between first
and last zone is 250 feet (1 1 0 m).
A3: A Maximum of 20 breakers may be con­
nected in parallel in one Zone.
M2
0. 5 Sec
F21
F22
0.1 Sec
0.1 Sec
Legend
= Common (Ungrounded)
= Short Delay Output Signal
to Higher Level Zone
= Short Delay Input Signal
from Lower Level Zone
= Ground Output Signal
to Higher Level Zone
= Ground Input Signal
from Lower Level Zone
/=
Fault at Location 2
2
F23
0 .1 Sec
Fig. A.2 Typical Zone Interlocking Connections with Two Main Breakers (M1, M2) and a Tie Breaker (T) (Short Delay
Protection)
Effective May 1 997
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