CHINT NA1-1000 User Manual

M
H
Type
±15%
±15%
Time error
Rated current (Ig)
M
H
M
H
±15%
±15%
ts(s)
0.3
Setting current
(IR)
Type
Setting delay time (s)
Tripping
Time error
.37..36.
Ir=400A
(40.0%In)
= SI
Ir=1000A
(100%In)
= SI
Ir=1000A
(100%In)
= SI
+
▲
▲
-
+
▲
▲
-
“historical record and maintain” menu
Press or key to return default interface..
On other non-fault interface, press to skip to testing menu.
Without action for several minutes, it return to the default interface.
Submenu operation show: overload long time-delay protection setting
Note: communication controller actual menu will change as customers' choice.
e.Over current protection characteristic
The characteristic of intelligent controller
Isd
(3~10)IR+OFF
OFF+(1.5~15)IR
(3~15)In+OFF
(1~20)In+OFF
≤0.85Ii 30ms Non-trip；＞1.15Ii trip
≤0.85Ii 40ms Non-trip；＞1.15Ii trip
0.1
0.2
0.2
0.4
0.4
±10%
±10%
±15%
(0.4~1)In+OFF
±10%
±10%
±10%
±10%
±10%
<2h Non-trip
<1h trip
30
16.9
0.61 86~
0.14 19.2~
60
33.8
120
67.5
240
135
1.05IR
1.3IR
1.5IR(M)
2.0IR(M)
1.5IR(H)
6.0IR(H)
(0.2~0.8)In+OFF， min 100A
(0.2~1.0)In+OFF， min 100A
10000
5000
2000
1000
500
200
100
50
20
10
5
2
1
0.5
0.2
0.1
0.05
0.02
0.01
.2
.3
.4
.5
.6 .8
1 2
3
4
5
6 8 10 20
xIn
30 40 50 60 80 100
kA
t(a)
Isd=(3 10)IR(M type)
~
or(1.5 15)In(H type)
~
IR =( 0. 4～1 )I n
tl = (30～2 4 0)s
(M t y pe)
0.1s
70
Ii=(3 15)In+OFF(M type)
~
or(1 20)In+OFF(H type)
~
0.4s
0.2s
0.3s
min 100A
Ig=(0.2~0.8)In(M type)
0.05 0.06 0.08 0.1 0.2 0.3 0.4 0.5 0.6 0.8
1
2
3 4
5 6
8
Long time-delay overcurrent protection, inverse time characteristic.
Setting current
(IR)
Error
Current Tripping time (s) time error
Short time-delay overcurrent protection characteristic.
Error
Error
Instantaneous characteristic.
Setting current (Ii)
Earthing fault protection characteristic
±10%
±10%
Error
0.1, 0.2, 0.3, 0.4
(0.1~1.0)s
Rated delay time (Tg)
Single phase earthing protection curre (M type)
Air Circuit Breaker
Alarm record
Shift record
Present alarm
Operation times
Contact wearing
Product information
Trip record
Save definite value
then
Setting definite value
Curve typeCurve typeCurve type
Long time-delay Long time-delay Long time-delay
XIn
T(s)

CHINT NA1-1000 Specifications

General

Brand	CHINT
Model	NA1-1000
Category	Circuit breakers
Language	English