VAMP 257 - Technical Data; Connections: Measuring Circuitry

VAMP 257 Feeder and motor manager
Technical description
VAMP Ltd
134
VAMP 24h support phone : +358 (0)20 753 3264
VM257.EN002
5. Technical data
5.1. Connections
5.1.1. Measuring circuitry
Rated current I
n
5 A (configurable for CT secondaries 1 – 10 A)
- Current measuring range 0…250 A (0…50 x I
n
[I
n
=5 A]; 0…250 x I
n
[I
n
=1 A])
- Thermal withstand 20 A (continuously)
100 A (for 10 s)
500 A (for 1 s)
- Burden < 0.2 VA
Rated current I
0n
1 A (configurable for CT secondaries 0.1 – 10.0 A)
- Current measuring range 0…10 A (0…10 x I
0n
)
- Thermal withstand 4 x I
0n
(continuously)
20 x I
0n
(for 10 s)
100 x I
0n
(for 1 s)
- Burden < 0.2 VA
Rated current I
02n
5 A (configurable for CT secondaries 0.1 – 10.0 A)
- Current measuring range 0…50 A (0…10 x I
02n
)
- Thermal withstand 4 x I
02n
(continuously)
20 x I
02n
(for 10 s)
100 x I
02n
(for 1 s)
- Burden < 0.2 VA
Rated voltage U
n
100 V (configurable for VT secondaries 50 – 120 V)
- Voltage measuring range 0 – 175 V (100 V/110 V)
- Continuous voltage withstand 250 V
- Burden < 0.5V A
Rated frequency f
n
50 / 60 Hz (45 – 65 Hz)
- Frequency measuring range 16 – 75 Hz
Terminal block: Maximum wire dimension:
- Solid or stranded wire 4 mm
2
(10-12 AWG)
5.1.2. Auxiliary voltage
Type A (standard) Type B (option)
Rated voltage U
aux
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 (normal conditions)
< 15 W (output relays activated)
Max. permitted interruption time < 50 ms (110 V dc)
Terminal block: Maximum wire dimension:
- Phoenix MVSTBW or equivalent 2.5 mm
2
(13-14 AWG)