ABB RET670 Product Manual page 45

ABB
Transformer protection RET670
Customized
Product version: 1.2
Table 18. BOM - Binary output module contact data (reference standard: IEC 61810-2)
Function or quantity
Binary outputs
Max system voltage
Test voltage across open contact, 1 min
Current carrying capacity
Per relay, continuous
Per relay, 1 s
Per process connector pin, continuous
Making capacity at inductive load with L/R>10 ms
0.2 s
1.0 s
Breaking capacity for AC, cos j>0.4
Breaking capacity for DC with L/R < 40 ms
Influencing factors
Table 19. Temperature and humidity influence
Parameter
Ambient temperature,
operate value
Relative humidity
Operative range
Storage temperature
Table 20. Auxiliary DC supply voltage influence on functionality during operation
Dependence on
Ripple, in DC auxiliary voltage
Operative range
Auxiliary voltage dependence, operate
value
Interrupted auxiliary DC voltage
Interruption interval
0–50 ms
0–∞ s
Restart time
Reference value
+20 °C
10%-90%
0%-95%
-40 °C to +70 °C
Reference value
max. 2%
Full wave rectified
Trip and Signal relays
24
250 V AC, DC
1000 V rms
8 A
10 A
12 A
30 A
10 A
250 V/8.0 A
48 V/1 A
110 V/0.4 A
125 V/0.35 A
220 V/0.2 A
250 V/0.15 A
Nominal range
-10 °C to +55 °C
10%-90%
-
Within nominal Influence
range
15% of EL 0.01% /%
± 20% of EL 0.01% /%
24-60 V DC ± 20%
90-250 V DC ± 20%
No restart
Correct behaviour at power
down
<300 s
1MRK 504 117-BEN D
Influence
0.02% /°C
-
-
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