Ashida ADR141A - Page 23

ADR141A /
ADR24
1A
Doc ID : ADR241A_IM_01
Ref ID : ADR241A/IM/I&S
Rev No. : 02
Page No. : 23 of 150
Output contact:
I.
Output
Contacts
Continuous 5A/250Vac
Make & carry 30Amp for 3sec AC /DC
Short time withstand 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 55ms whichever is greater
DT Operation ±5% or 55ms whichever is greater*
Note “ * “ indicates Reference Condition that is Fault current 2
time above set value.
II.
Ground Over current (EF):
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 55ms whichever is greater
DT Operation ±5% or 55ms whichever is greater*
Note “ * “ indicates Reference Condition that is Fault current 2
time above set value.
III.
Cold Load:
Cold Load Time CL Time Setting ± 10%
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 55ms whichever is greater
DT Operation ±5% or 55ms whichever is greater *
* Reference Condition Fault current 2 time above set value