VAMP 140 - Page 32

VAMP 140 Overcurrent and earth-fault relay
Technical description
VAMP Ltd
2
Vamp 24h support phone +358 (0)40 573 6316 VM140.EN011
4.4. Serial communication connections.............................. 39
4.5. Current transducer........................................................... 39
4.6. Arc protection .................................................................. 40
4.7. Block diagram .................................................................. 41
4.8. Connection diagram ...................................................... 42
5. Technical data .....................................................................43
5.1. Connections ..................................................................... 43
5.1.1. Measuring circuitry................................................. 43
5.1.2. Auxiliary voltage ..................................................... 43
5.1.3. Digital input.............................................................. 43
5.1.4. Trip contacts (T1 and T2)........................................ 44
5.1.5. Alarm contacts (A1...A3) and IF........................... 44
5.1.6. Local serial communication port......................... 44
5.1.7. Remote control port............................................... 44
5.1.8. mA output................................................................ 44
5.1.9. Arc option card ...................................................... 45
5.1.10. Connectors.............................................................. 45
5.2. Tests and environmental conditions ............................. 45
5.2.1. Disturbance tests (EN 50263)................................. 45
5.2.2. Test voltages............................................................ 46
5.2.3. Mechanical tests .................................................... 46
5.2.4. Environmental conditions...................................... 46
5.2.5. Casing ...................................................................... 46
5.3. Protection stages ............................................................. 46
5.3.1. Overcurrent protection ......................................... 46
5.3.2. Residual current protection .................................. 47
5.3.3. Arc protection (option) ......................................... 48
5.4. Disturbance Recorder (DR)............................................ 49
6. Construction .........................................................................50
6.1. Dimensional drawing....................................................... 50
6.2. Panel mounting................................................................ 51
6.3. Semi-flush mounting......................................................... 51
7. Order information.................................................................52
8. Reference information.........................................................53