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1MRS 755310
Feeder Protection Relay
Technical Reference Manual
Table 4.2.4-7
Signal output SO2, optional SO3, and IRF output
Rated voltage
Continuous carry
Make and carry for 3.0 s
Make and carry for 0.5 s
Breaking capacity when the control-circuit time
constant L/R <40 ms, at 48/110/220 V dc
Minimum contact load
Table 4.2.4-8
Power outputs (PO1, PO2, PO3)
Rated voltage
Continuous carry
Make and carry for 3.0 s
Make and carry for 0.5 s
Breaking capacity when the control-circuit time
constant L/R <40 ms, at 48/110/220 V dc (PO1 with
both contacts connected in series)
Minimum contact load
TCS
• Control voltage range
• Current drain through the supervision circuit
• Minimum voltage over a contact
Table 4.2.4-9
Lens sensor and optic fibre for arc protection
Normal service temperature range
Maximum service temperature range, max 1 h
Minimum permissible bending radius of the
connection fibre
Table 4.2.4-10 Enclosure class of the flush-mounted relay
Front side
Rear side, top of the relay
Rear side, connection terminals
Table 4.2.4-11 Environmental tests and conditions
Recommended service temperature range
(continuous)
Limit temperature range (short-term)
Transport and storage temperature range
Dry heat test
Dry cold test
Damp heat test, cyclic
REF 610
250 V ac/dc
5 A
10 A
15 A
1 A/0.25 A/0.15 A
100 mA at 24 V ac/dc
250 V ac/dc
5 A
15 A
30 A
5 A/3 A/1 A
100 mA at 24 V ac/dc
20...265 V ac/dc
~1.5 mA
20 V ac/dc (15...20 V)
-40...+100°C
+140°C
100 mm
IP 54
IP 40
IP 20
-10...+55°C
-40...+70°C
-40...+85°C according to
IEC 60068-2-48
According to IEC 60068-2-2
According to IEC 60068-2-1
According to IEC 60068-2-30
135
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