ADR141A /
ADR241A
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
Summary of Contents for ADR141A
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