Thytronic NG10 User Manual

APPENDIX
128
NG10 - Manual - 04 - 2022
 Measured residual overcurrent 50N/51N - Electromechanical inverse curves (EM)
F_51N-EM-Char.ai
1.1
2
1
3 4 5 6 7 8 9 10 20
I
E
/I
E
>inv
0.01
0.1
1
10
100
1000
10000
t [s]
t
E
>
inv
= 60 s
t
E
>
inv
= 10 s
t
E
>
inv
= 5 s
t
E
>
inv
= 1 s
t
E
>
inv
= 0.5 s
t
E
>
inv
= 0.2 s
t
E
(x)
>
inv
= 0.1 s
t
E
(x)
>
inv
= 0.02 s
Nota: il tempo d’intervento impostato è riferito ad un valore di corrente residua I
E
/I
E
>
inv
= 4
t =
t
E
>
inv
·
[-0.236
· (I
E
/I
E
>
inv
)
-1
+ 0.339]
0.28

Thytronic NG10 Specifications

General

Brand	Thytronic
Model	NG10
Category	Protection Device
Language	English