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Technical
Section 11
Dimensions
Section 12
7
iRCP
iRCC
Phase control
Compressor control
b
b
Monitors phases and the presence of voltage on the
3 phases of a three-phase circuit (power supply of a motor, etc.). It indicates
any phase loss or inversion
b
b
Monitors the compressor's power supply and prevents its immediate
restarting upon detection of a power cut or voltage dip
L2
L3
L1
1
7 3 5
2
864
L2
L3
L1
1
7 3 5
2
864
50 Hz
60 Hz
L
N
1
7 3 5
2
864
L
N
1
7 3 5
2
864
t = 6 min.
t = 3 min.
A9E21180
A9E21183
400, ±15 %
230, -15 % to +10 %
50/60
b
b
On the front panel, by direct scale, using a screwdriver
±10 % of full scale
8 A under 250 V AC (cos
ϕ
= 1)
Voltage presence
Fault
3
3 (total on the 3 phases)
2
IP20
1.5 x 6 mm
2
4
-5 … +55
-40 … +80
Setting of phase asymmetry threshold: 5 % to 2 5% of 400 V
Threshold setting: ±5 % to ±15 % of 230 V
Hysteresis: fixed, 5 % of asymmetry threshold
Monitoring of direction of phase rotation
Monitoring of presence of the 3 phases
Fail-safe contact
Fail-safe contact
De-energized
2
864
De-energized
2
864
Energized with fault
Energized with fault
Energized without fault
2
864
Energized without fault
2
864
Time delay on tripping: 0.3 s
Time delay on overshoot: 3 or 6 minutes (selection by cabling)
DB405265
DB405267
PB107127-35
PB107124-35
iRCP phase control, iRCI current
control, iRCU voltage control and
iRCC compressor control relays (cont.)
Monitoring
Control
Remote control