13 Technical Specifications
2 TECHNICAL SPECIFICATION
Current Input
I.
CT secondary 1 A or 5 A (by wiring)
II.
Nominal burden at rated current (without
tripping condition)
< 0.20 VA at rated current (In)
III.
Thermal withstand capacity 100 x rated current (In) for 1s
50 x rated current (In) for 3s
4 x rated current (In) continuous for Phase and E/F CT
2 x rated current (In) continuous for SEF CT
IV.
Measurement linearity range
(for non – offset AC current)
For O/C : 0.05 – 35 In
For E/F : 0.05 – 35 In
V.
Measurement accuracy Typical ± 2% at In for Phase and EF CTs
VI.
Nominal frequency range for current Inputs 50/60 Hz (selectable in P153 Menu)
VII.
Frequency measurement range 45 Hz – 65 Hz
Auxiliary Supply
I.
Nominal auxiliary voltage 100-230 V AC (50 / 60 Hz) / 100-230 V DC or
24-50 V DC
II.
Operating range 80% of lower nominal range and 120% of upper nominal range for DC supply
80% of lower nominal range and 110% of upper nominal range for AC supply
III.
Nominal burden on 100 – 230 V auxiliary
power supply
100-230 VAC < 9 VA (no status energized)
< 12 VA (with all status and output energised)
< 3 W (no status energized)
< 4.5 W (with all status and output energised)
Nominal burden on 24 – 50 V auxiliary power
supply
< 3 W (no status energized)
< 4.5 W (with all status and output energised)
IV.
Tolerable ac ripple Up to 15% of highest dc supply, as per IEC 60255-26: 2013
V.
Opto Isolated Input
I.
Nominal operating voltage range
100-230 V AC (50 / 60 Hz) /
100-230 V DC
II.
Maximum operating voltage range 55 VDC 253 V DC/AC
*Note: The inputs must be connected via screened cable or twisted
pair cable.
III.
Within 85% of threshold voltage value
IV.
For each status < 1.5 W / VA
V.
Filtering time < 40 ms
VI.
Logic input recognition time
For all Status Inputs: filtering time + 5 ms ± 5 ms
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