Specifications

46
COMPACT
®
NS circuit breaker
COMPACT
®
NS circuit breaker: supplementary technical information
Trip curves
Trip units for COMPACT
®
NSF150–NSF250 circuit breakers
TM15DP
TM30DP
TM20DP
TM40DP
E28276
E28277
E28278
E28279
Reflex tripping: see page 51
10 000
5 000
2 000
1 000
500
200
100
50
20
10
5
2
1
.5
.2
.1
.02
.01
.005
.5 1 2 5 10 20 50 100
t(s)
I / Ir
.05
5001000 10 000
reflex tripping :
t < 10 ms
Im = 25 x In
10 000
5 000
2 000
1 000
500
200
100
50
20
10
5
2
1
.5
.2
.1
.02
.01
.005
.5 1 2 5 10 20 50 100
t(s)
I / Ir
.05
5001000 10 000
reflex tripping :
t < 10 ms
Im = 20 x In
10 000
5 000
2 000
1 000
500
200
100
50
20
10
5
2
1
.5
.2
.1
.02
.01
.005
.5 1 2 5 10 20 50 100
t(s)
I / Ir
.05
5001000 10 000
reflex tripping :
t < 10 ms
Im = 13 x In
10 000
5 000
2 000
1 000
500
200
100
50
20
10
5
2
1
.5
.2
.1
.02
.01
.005
.5 1 2 5 10 20 50 100
t(s)
I / Ir
.05
5001000 10 000
reflex tripping :
t < 10 ms
Im = 12.5 x In