Cutler-Hammer Digitrip RMS 510, Инструкция по эксплуатации

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"'
§
1
N
N
(1)
c
2
0
N
"'
(1)
c
�
I
3200 A
)
1 600 A
)
200 A
)
3
Main
Z1
0.5 Sec
1200 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)
M1
0. 1 Sec 0.1 Sec
I .L. 29-8858
Notes: A1 : Wiring to be twisted pair of AWG No. 1 4
to AWG No. 20.
M2
Route Zone Interlocking wiring sepa­
rate from power conductors.
DO NOT GROUND any Zone Interlock
Wiring.
A2: 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.
Lege n d
= Common (U ngrounded)
= Short Delay
Output
Signal
to Higher Level Zone
= Short Delay I nput Signal
from Lower Level Zone
= Ground Output
Signal
to Higher Level Zone
= Ground I nput Signal
from Lower Level Zone
/-
ault
at
Location
2
2
0.5 Sec
0.1 Sec
0.1 Sec
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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