ABB | SACE Emax 2
Electrical accessories | 1 - Electrical control accessories
249 | © 2017 ABB | 1SDH001330R0002 - ECN000058721 Rev. A
Electrical accessories
1 - Electrical control accessories
YO-YC-YO2-YC2
(1)
: Opening
and closing coil
The opening coils, YO and YO2, and the closing coil, YC and YC2
(1)
, allow the circuit-breaker to be controlled
remotely.
The opening of the circuit-breaker is always possible with the circuit-breaker closed, while closing is possible
with the circuit-breaker open and the closing springs charged.
The opening and closing coils can operate in two different modes:
• instantaneous service (the minimum duration of the command impulse must be 100 ms).
• service with permanent power supply.
YO
YC
YU
YO 2
C12
C13
C11
C2
C3
C1
D2
D1
YO-YC-YO2 for E1.2
YO YC 2
YC
YU
YO 2
C22
C21
C12
C13
C11
C2
C3
C1
D2
D1
YO-YC-YO2-YC2 for E2.2 - E4.2 - E6.2
NOTE:
the second opening coil YO2 is alternative to the undervoltage coil YU.
IMPORTANT:
•
If the closing coil is permanently energized and the opening coil trips, after opening,
the closing coil must be momentarily de-energized so that it can be reused for the next
closing operation.
• If instead the
opening coil trips, it is necessary, after having de-energized it, to wait at
least 100 ms before operating the closing coil.
Available voltages and characteristics
The tables listing the available voltages and the electrical characteristics are provided below:
Available voltages (Un)
24 V AC/DC
30 V AC/DC
48 V AC/DC
60 V AC/DC
110…120 V AC/DC
220…240 V AC/DC
240...250 V AC/DC
277 V AC/DC
380…400 V AC
415…440 V AC
480…500 V AC
500…550 V AC
General characteristics
YO-YO2
YC-YC2
(1)
Operating limits
70...110 %Un
85...110 %Un
Inrush power (Ps)
300 VA/W
Continuous power (Pc)
3.5 VA/W
Maximum opening time
35 ms
-
Maximum closing time
-
50 ms
(1)
YC2 not available for E1.2
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Содержание SACE Emax E1.2
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