UT 6-TMC M...
Backup fuse
Nominal current
UT 6-TMC M
Maximum backup fuse
NOTE: If in the application the maximum short-circuit switching capacity (I ) could be exceeded in the event of an error, a backup fuse
cn
must be used in combination with the circuit breaker.
The following maximum backup fuse values are recommended according to 0.5 A
16 A
16 A
16 A
16 A
20 A
20 A
25 A
25 A
25 A
25 A
25 A
characteristic gG (VDE 0636, IEC 269)
1 A
2 A
4 A
5 A
6 A
8 A
10 A
12 A
15 A
16 A
Tripping characteristics
Type of actuation
Manual ON/OFF (S type)
Tripping method
Tripping type
Thermomagnetic (TM)
Trip-free mechanism
Specified non-tripping current (no tripping within an hour)
Specified tripping current (tripping within an hour)
Instantaneous non-tripping current
Instantaneous tripping current
1.05 x I
1.32 x I
n
n
6 x I (AC)
n
12 x I (AC)
n
NOTE: The magnetic tripping ranges differ for alternating currents (AC) and direct currents (DC). Please observe the tripping characteristics
shown in Figure 1.
The magnetic operating currents for direct currents (DC) are approximately 1.6 times higher.
3.1
Tripping characteristics
AC tripping characteristics
DC tripping characteristics
10000
1000
10000
1000
< 7.0A
> 7.0A
< 7.0A
> 7.0A
100
10
100
10
1
1
0.1
0.1
0.01
0.001
0.01
0.001
1
2
3 4 6 8 10
20
40 60 100
1
2
3 4 6 8 10
20
40 60 100
Multiples of IN
Multiples of IN
Figure 1
AC and DC tripping characteristics
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