Arc Protection Relay REA 10_
1MRS750929-MBG
8
Technical data
Table 2: Current input
Rated current 1 A / 5 A
Continuous load current 4 A / 20 A
Momentary current for 1 s 100 A / 500 A
Dynamic current withstand, half-wave value 250 A/ 1250 A
Input impedance <100 mΩ/ <20 mΩ
Rated frequency 50 / 60 Hz
Table 3: Outputs
Trip contacts HSO1 and HSO2:
Rated voltage 250 V DC/AC
Continuous carry 1.5 A
Make and carry for 0.5 s 30 A
Make and carry for 3 s 15 A
Breaking capacity for DC, when th
e control circuit
time constant L/R <40 ms, at 48/110/220 V DC 5 A/3 A/1 A
Trip contact TRIP3:
Rated voltage 250 V DC/AC
Continuous carry 5 A
Make and carry for 0.5 s 30 A
Make and carry for 3 s 15 A
Breaking capacity for DC, when th
e control circuit
time constant L/R <40 ms, at 48/110/220 V DC 5 A/3 A/1 A
Signal contacts IRF:
Rated voltage 250 V DC/AC
Continuous carry 5 A
Make and carry for 0.5 s 10 A
Make and carry for 3 s 8 A
Breaking capacity for DC, when th
e control circuit
time constant L/R <40 ms, at 48/110/220 V DC 1 A/0.25 A/0.15 A
Table 4: Control input
Reset input RESET:
Control voltages:
Rated voltages and operating ranges U
n
=
24/48/60/110/220/250 V DC
18...300 V DC
U
n
= 110/120/220/
240 V AC
18...265 V AC
Not active, when control voltage < 9 V DC, 6 V AC
Control current 1.5...20 mA
Minimum pulse length 1 s
Table 5: Circuit-breaker failure protection CBFP
Selectable operate time delays 150 ms / 100 ms
Operate time accuracy:
HSO2 ±5% of setting value
TRIP3 ±5% of setting value
+5...15 ms