VAMP 140 - 5 Technical Data; Connections; Measuring Circuitry; Auxiliary Voltage

VAMP Ltd Overcurrent and earth-fault relay
Technical description
VAMP 140
VM140.EN011 Vamp 24h support phone +358 (0)40 573 6316
43
5. Technical data
5.1. Connections
5.1.1. Measuring circuitry
Rated current In 1 A or 5 A
- Current measuring range 0 – 50 x In
- Thermal withstand 4 x In (continuous)
20 x In (for 10 s)
100 x In (for 1 s)
- Power consumption < 0.1 VA (In = 1A)
< 0.2 VA (In = 5A)
- Inaccuracy
I ≤ 1.5 x In
I > 1.5 x In
±0.5% of value or ±0.3% of rated value
±3% of value
Residual current I
0n
1 A or 5 A
- Current measuring range 0 – 5 x I
0n
- Thermal withstand 4 x I
0n
(continuous)
20 x I
0n
(for 10 s)
100 x I
0n
(for 1 s)
- Power consumption < 0.1 VA (I
0n
= 1A)
< 0.2 VA (I
0n
= 5A)
- Inaccuracy
I
0
≤ 1.5 x I
0
n
I
0
> 1.5 x I
0
n
±0.5% of value or ±0.3% of rated value
±3% of value
Rated frequency fn 50/60 Hz
- Frequency measuring range 16 - 65 Hz
- Inaccuracy ±10 mHz
5.1.2. Auxiliary voltage
Type A (standard) Type B (option)
Rated voltage Uaux 40 - 265 V ac/dc 18 - 36 V dc
110/120/220/240 V ac 24 V dc
48/60/110/125/220 V dc
Power consumption < 7 W (under normal conditions)
< 15 W (as the relay has started)
Max. permitted ac component <= 12% of rated voltage
of dc supply, point-to-point <= 6% near the limits of the voltage range
Max. permitted interruption time < 50 ms (110 V dc)
5.1.3. Digital input
Number of inputs 1
External control voltage 18 - 265 V ac/dc
Burden < 2 mA