Fanox U3S-3x400V AC U3S-3x400V AC U3S-3x400V AC 数据表
产品代码
U3S-3x400V AC
22
U1 D U1 M
U3 S
Voltage & frequency monitoring relays
Single-phase voltage relay
Three-phase voltage relay
• Minimum and maximum thresholds adjustable
(two potentiometers).
• U1D: Tripping time delay adjustable. Instantaneous
reset. Protects equipment such as digital
instruments or electrical equipment from voltage
variations in the network.
instruments or electrical equipment from voltage
variations in the network.
• U1M: Tripping time delay adjustable. Fixed reset
delay (5 minutes). Suitable for single phase air
conditioning.
conditioning.
• Protects three-phase installations against voltage
variations between phases, incorrect sequence of
phases and phase loss.
phases and phase loss.
• Minimum and maximum thresholds adjustable
(two potentiometers).
•
Tripping time delay adjustable (two
potentiometers).
potentiometers).
• Model U3S-420 is valid for 400 and 440 nominal V.
Protections
Models
Models
Frequency
Maximum threshold
V / Hz
Minimum threshold
V / Hz
Code no.
Characteristics
Type of supply to be monitored
Auxiliary supply ±10%
Accuracy
Trip time delay (TD)
Reset time delay (RD)
Reset mode
Hysteresis
Signalling LED’s
Output contacts
Switching power
Terminals: Max. section / Screw torque
Power consumption
Protection degree / weight
Storage / operation temperature
U1D-24D U1D-115 U1D-230
DC
50/60 Hz 50/60 Hz
23-28
105-135 215-275
19-25
90-120
160-230
12028
12026
12027
U1M-24D U1M-115 U1M-230
DC
50/60 Hz 50/60 Hz
23-28
105-135 215-275
19-25
90-120
160-230
12080
12081
12082
U3S-230
U3S-420
50/60 Hz
50/60 Hz
210-290
380-500
185-230
350-430
12071
12070
Single phase
Self-powered
Self-powered
+4% -1%; +1% -4%
0,1 to 6s (±20%) for
U1D: No / U1M: fix 5 min.
Automatic
4% of the nominal voltage
3 LED’s: ON + +
1 relay with 1 change-over NO - NC
I
U1D: No / U1M: fix 5 min.
Automatic
4% of the nominal voltage
3 LED’s: ON + +
1 relay with 1 change-over NO - NC
I
th
: 5A; AC15 - 250V - 2A; DC13 - 30V - 2A
2,5 mm
2
, No. 22 - 12AWG / 20Ncm, 1.8 LB - IN
3 VA (115 Vac) - 7 VA (230 Vac) - 0,7W (24 Vdc)
IP20 / 0,11 kg
-30°C +70 °C / -15°C +60°C
IP20 / 0,11 kg
-30°C +70 °C / -15°C +60°C
Three phase
Self-powered
Self-powered
+4% -1%; +1% -4%
0,1 to 6s (±20%) for
-
Automatic
4% of the nominal voltage
4 LED’s: ON + + +
1 relay with 1 change-over NO - NC
I
-
Automatic
4% of the nominal voltage
4 LED’s: ON + + +
1 relay with 1 change-over NO - NC
I
th
: 5A; AC15 - 250V - 2A; DC13 - 30V - 2A
2,5 mm
2
, No. 22 - 12AWG / 20Ncm, 1.8 LB - IN
7,5 VA (230 Vac) - 11 VA (400 Vac)
IP20 / 0,12 kg
-30°C +70 °C / -15°C +60°C
IP20 / 0,12 kg
-30°C +70 °C / -15°C +60°C
Phase imbalance or phase loss
Phase sequence
Overvoltage
Undervoltage
Loss of neutral
Frequency variation
Protections
N
For dimensions see page 35.
H
TD
U
>
U
<
U
<
H
U
>
U
<
TD
TD
TD
11
14
12
11
14
12
RD
RD
RD
U
>
U
<
U
<
1
t
LED's
RELÉ
LED's
RELÉ
U1-D
U1-M
1
Si TD>t
RST
SRT
H
H
RELÉ
U
>
U
<
11
14
12
LED's
TD
U
>
U
<
U
>
L 1-2
L 2-3
L 3-1
U
<
TD
TD
Hz
RELAY
RELAY
RELAY
If TD>t
ingles interior 2008:ingles interior 2005 13/5/08 15:32 Página 22