Hitachi Relion REL670 Product Manual page 72

Line distance protection REL670
Version 2.2
Table 22. SOM - Static Output Module data (reference standard: IEC 61810-1): Heavy duty static binary outputs
Function of quantity
Max system voltage
Number of outputs
Impedance open state
Test voltage across open contact, 1 min
Current carrying capacity:
Continuous
1.0 s
Making capacity at capacitive load with the maximum
capacitance of 0.2 μF:
0.2 s
1.0 s
Making capacity for DC with L/R > 10 ms:
0.2 s
1.0 s
Making capacity at resistive load
0.2 s
1.0 s
Breaking capacity for DC with L/R ≤ 40 ms
(Auto-reclose scheme) (On ≤ 0.2 s)
0.2 s – on
0.2 s – off
0.2 s – on
20 s – off
0.2 s – on
30 s – off
0.2 s – on
120 s – off (for thermal dissipation)
Breaking capacity for DC with L/R ≤ 40 ms
(According to IEC 61810-1)
4 operations/min and 2 min pause for thermal dissipation
Breaking capacity for DC with L/R=100ms
Breaking capacity at resistive load
Max operations with inductive load L/R ≤ 40 ms
Max operations with resistive load
Max operations with resistive load (On ≤ 0.2 s)
Max operations with no load
Operating time
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SEMOD175395-2 v12
Static binary output trip
250 V DC
6
High impedance
350 V rms
6 A
20 A
30 A
20 A
30 A
20 A
30 A
20 A
24-60 V / 30 A
110-125 V / 20 A
220-250 V / 10 A
6 A
110 V / 0.3 A
6 A
1000
2000
10000
10000
< 1 ms
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