Thytronic NA20, Manual, Page: 19 / 208

TECHNICAL DATA
19 NA20 - Manual - 04 - 2022
I>> Element
I >> Curve type ( I>>
Curve
) DEFINITE or I
2
t
I
CLP
>> Activation time ( t
CLP>>
) 0.00...100.0 s
0.00...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
I >> Reset time delay ( t >>
RES
) 0.00...100.0 s
0.00...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
Definite time
50/51 Second threshold definite time ( I >>
def
) 0.100...40.0 I
n
0.100...0.999 I
n
(step 0.001 I
n
)
1.00...9.99 I
n
(step 0.01 I
n
)
10.0...40.0 I
n
(step 0.1 I
n
)
I >>
def
within CLP ( I
CLP>>def
) 0.100...40.0 I
n
0.100...0.999 I
n
(step 0.001 I
n
)
1.00...9.99 I
n
(step 0.01 I
n
)
10.0...40.0 I
n
(step 0.1 I
n
)
I >>
def
Operating time ( t >>
def
) 0.03...10.00 s (step 0.01 s)
Inverse time
50/51 Second threshold inverse time (I>>
inv
) 0.100...20.00 I
n
0.100...0.999 I
n
(step 0.001 I
n
)
1.00...20.00 I
n
(step 0.01 I
n
)
I>>
inv
within CLP (I
CLP>>inv
) 0.100...20.00 I
n
0.100...0.999 I
n
(step 0.001 I
n
)
1.00...20.00 I
n
(step 0.01 I
n
)
I>>
inv
Operating time (t>>
inv
) 0.02...10.00 s (step 0.01 s)
I>>> Element
I
CLP
>>> Activation time ( t
CLP>>>
) 0.00...100.0 s
0.00...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
I >>> Reset time delay ( t >>>
RES
) 0.00...100.0 s
0.00...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
Definite time
50/51 Third threshold definite time ( I >>>
def
) 0.100...40.0 I
n
0.100...0.999 I
n
(step 0.001 I
n
)
1.00...9.99 I
n
(step 0.01 I
n
)
10.0...40.0 I
n
(step 0.1 I
n
)
I >>>
def
within CLP ( I
CLP>>>def
) 0.100...40.0 I
n
0.100...0.999 I
n
(step 0.001 I
n
)
1.00...9.99 I
n
(step 0.01 I
n
)
10.0...40.0 I
n
(step 0.1 I
n
)
I >>>
def
Operating time ( t >>>
def
) 0.03...10.00 s (step 0.01 s)
Pickup time
≤
0.03 s
Dropout ratio 0.95...0.98
Dropout time
≤
0.05 s
Overshoot time 0.03 s
Pickup accuracy ± 0.5% with 0.1 I
n
, ± 0.2% with 1 I
n
Operate time accuracy 5% or ± 10 ms
‡ Residual overcurrent - 50N/51N
IE> Element
I
E
> Curve type ( I
E
>
Curve
) DEFINITE
IEC/BS A, B, C, B-LI
ANSI/IEEE MI, VI, EI
EM
I
ECLP
> Activation time ( t
ECLP>
) 0.00...100.0 s
0.00...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
I
E
> Reset time delay ( t
E
>
RES
) 0.00...100.0 s
0.00...9.99 s (step 0.01 s)
10.0...100.0 s (step 0.1 s)
Definite time
50N/51N First threshold definite time ( I
E
>
def
) 0.002...10.00 I
En
0.002...0.999 I
En
(step 0.001 I
En
)
1.00...10.00 I
En
(step 0.01 I
En
)
I
E
>
def
within CLP ( I
ECLP>def
) 0.002...10.00 I
En
0.002...0.999 I
En
(step 0.001 I
En
)
1.00...10.00 I
n
(step 0.01 I
En
)
I
E
>
def
Operating time ( t
E
>
def
) 0.04...200 s
0.04...9.99 s (step 0.01 s)
10.0...99.9 s (step 0.1 s)
100...200 s (step 1 s)