Ashida ADR241B, Instruction Manual

Page: 28 / 272

ADR241B
Doc ID : ADR241B-DO_IM_01
Ref ID : ADR241B/IM/I&S
Rev No. : 06
Page No. : 28 of 272
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
Output contact:
I. Non Latching
contact
Continuous Continuous 5A/250Vac
Make & carry Make & carry: 30Amp for 3sec AC /DC
Short time withstand Carry : 50Amp for 1sec AC /DC
Breaking capacity AC- 1250VA max @ 250V(PF 0.4)
DC- 100W Resistive max. 5A or 300V
50 Watt Inductive (L/R 45ms) max. 5A or 300V
Operating Time <10msec
Minimum no. of
operations
10,000 operation loaded condition & unloaded
100,000 operations
Accuracy of protection function:
I.
Phase Over current:
For operating
Value
Pick-up 1.05 x Setting ±5%
Drop –off 0.95 x Setting ±5%
For operating
Time
IDMT Characteristic shape As per class5 of 60255-151 cl.5.2**
or 50ms whichever is greater
DT Operation ±5% or 50ms whichever is greater*
Note “ * “ indicates Reference Condition that is Fault current 2 time
above rated value.
II.
Ground Over current:
For operating
Value
Pick-up 1.05 x Setting ±5%
Drop –off 0.95 x Setting ±5%
For operating
Time
IDMT Characteristic shape As per class5 of 60255-151 cl.5.2**
or 50ms whichever is greater
DT Operation ±5% or 50ms whichever is greater*
Note “ * “ indicates Reference Condition that is Fault current 2 time
above rated value.
III. Residual Over current:
For operating
Value
Pick-up 1.05 x Setting ±5%
Drop –off 0.95 x Setting ±5%