Rockwell Automation 865 Differential Protection Relay - Manual (Page 171)

Chapter
10
865-UM001A-EN-P – July 2009
Technical Data
Table 10.1 – Measuring Circuitry
Rated phase current 5 A (configurable for CT secondaries 1 – 10 A)
- Current measuring range 0…250 A
- Thermal withstand 20 A (continuously)
100 A (for 10 s)
500 A (for 1 s)
- Burden < 0.2 VA
Rated phase current 1 A (configurable for CT secondaries 1 – 10 A)
- Current measuring range 0…50 A
- Thermal withstand 20 A (continuously)
100 A (for 10 s)
500 A (for 1 s)
- Burden < 0.1 VA
Rated residual current (optional) 5 A (configurable for CT secondaries 1 – 10 A)
- Current measuring range 0…25 A
- Thermal withstand 20 A (continuously)
100 A (for 10 s)
500 A (for 1 s)
- Burden < 0.2 VA
Rated residual current 1 A (configurable for CT secondaries 0.1 – 10 A)
- Current measuring range 0…5 A
- Thermal withstand 4 A (continuously)
20 A (for 10 s)
100 A (for 1 s)
- Burden < 0.1 VA
Rated frequency f
n
45 – 65 Hz
- Frequency measuring range 16 – 75 Hz
Terminal block: Maximum wire dimension:
- Solid or stranded wire 4 mm 2 (10-12 AWG)
Table 10.2 – Auxiliary Voltage
Catalog No./ Option Type A (standard) Type B (option)
Rated voltage Uaux 40 - 865 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: Max. wire dimension:
- Phoenix MVSTBW or equivalent 2.5 mm 2 (13-14 AWG)
Connections