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VAMP Ltd
Motor protection relay
Technical Description
VAMP 150
VM150.EN005
Vamp 24h support phone : +358 (0)20 753 3264
39
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 – 50 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 (st
Type A (st
Type A (st
Type A (standard)
andard)
andard)
andard)
Type B (option)
Type B (option)
Type B (option)
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