ABB Relion REG670, Technical Manual

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Table 936: Auxiliary power supply and binary I/O connectors
Connector type Rated voltage Maximum conductor area
Screw compression type 250 V AC
2.5 mm
2
(AWG14)
2 × 1 mm
2
(2 x AWG18)
Terminal blocks suitable for
ring lug terminals
300 V AC
3 mm
2
(AWG14)
Because of limitations of space, when ring lug terminal is ordered for
Binary I/O connections, one blank slot is necessary between two
adjacent IO cards. Please refer to the ordering particulars for details.
21.5.4 Influencing factors
Table 937: Temperature and humidity influence
Parameter Reference value Nominal range Influence
Ambient temperature,
operate value
+20°C -10 °C to +55°C 0.02% / °C
Relative humidity
Operative range
10%-90%
0%-95%
10%-90% -
Storage temperature - -40 °C to +70 °C -
Table 938: Auxiliary DC supply voltage influence on functionality during operation
Dependence on Reference value Within nominal range Influence
Ripple, in DC auxiliary voltage
Operative range
max. 2%
Full wave rectified
15% of EL 0.01% / %
Auxiliary voltage dependence, operate
value
±20% of EL 0.01% / %
Interrupted auxiliary DC voltage 24-60 V DC ± 20%
90-250 V DC ± 20%
Interruption
interval
0–50 ms No restart
0–∞ s Correct
behaviour at
power down
Restart time <300 s
Section 21
1MRK502052-UEN B
IED hardware
1216
Technical manual