Ashida ADR141A, Instruction Manual, Page: 22 / 151

ADR141A /
ADR241A
Doc ID : ADR241A_IM_01
Ref ID : ADR241A/IM/I&S
Rev No.
: 02
Page No. : 22 of 150
Current Input:
I.
CT secondary 1 / 5 Amp. (Selectable)
II.
Nominal Burden at In
(without tripping condition)
< 0.20 VA at rated current (In)
III.
Thermal Withstand Capacity 40 x rated current (In) for 3sec
2 x rated current (In) continuous for Phase and EF CT
IV.
Measurement Linearity
Range for Non – Offset AC
Current
Linear up to 40 In
Auxiliary Supply Input:
I.
Nominal operating range 24 – 230V AC/ DC
II.
Voltage 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 24 –
230V Auxiliary Power
Supply
24 – 230 VAC
< 12 VA
24 – 230 VDC < 5 W
IV.
Tolerable AC ripple Up to 15% of highest dc supply, As per IEC 60255-26:
2013
V.
Relay power up time < 2.5 Sec
Opto Isolated Input:
I.
Opto Isolated input operating
Range
24 – 230 VDC
II.
Threshold Voltage for DC 18V +/- 3volts
Maximum operating voltage
range
250 VDC
III.
Drop out Within 85% of threshold voltage value
IV.
VA Burden of Opto Isolated
Status Input
For each status < 1.5 Watt / VA
V.
Filtering Time < 40ms
VI.
Logic input recognition time : For all Status filtering time + 5ms ± 5 ms