Description Value
Logic level TTL Level
Current consumption 2...4 mA
Power consumption 10...20 mW
1) According to 200-04 IRIG -standard
Table 704: Lens sensor and optical fibre for arc protection
Description Value
Fibre-optic cable including lens 1.5 m, 3.0 m or 5.0 m
Normal service temperature range of the lens -40...+100°C
Maximum service temperature range of the lens,
max 1 h
+140°C
Minimum permissible bending radius of the
connection fibre
100 mm
Table 705: Degree of protection of flush-mounted IED
Description Value
Front side IP 54
Rear side, connection terminals IP 20
Table 706: Environmental conditions
Description
Value
Operating temperature range -25...+55ºC (continuous)
Short-time service temperature range • REF615, REM615 and RET615:
-40...+85ºC (<16 h)
1)2)
•
RED615: -40...+70ºC (<16 h)
1)2)
Relative humidity <93%, non-condensing
Atmospheric pressure 86...106 kPa
Altitude Up to 2000 m
Transport and storage temperature range -40...+85ºC
1) Degradation in MTBF and HMI performance outside the temperature range of -25...+55 ºC
2) For IEDs with an LC communication interface the maximum operating temperature is +70 ºC
Section 14 1YHT530004D05 D
Technical data
876 615 series
Technical Manual
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