UT 6-TMC M...

103943_en_04

PHOENIX CONTACT

3

3.1

Tripping characteristics

Figure 1

AC and DC tripping characteristics

Backup fuse

Nominal current

UT 6-TMC M

Maximum backup fuse

The following maximum backup fuse values are recommended according to

characteristic gG (VDE 0636, IEC 269)

0.5 A

16 A

1 A

16 A

2 A

16 A

4 A

16 A

5 A

20 A

6 A

20 A

8 A

25 A

10 A

25 A

12 A

25 A

15 A

25 A

16 A

25 A

NOTE: If in the application the maximum short-circuit switching capacity (I

must be used in combination with the circuit breaker.

Tripping characteristics

Type of actuation

Manual ON/OFF (S type)

Tripping method

Thermomagnetic (TM)

Tripping type

Trip-free mechanism

Specified non-tripping current (no tripping within an hour)

1.05 x I

n

Specified tripping current (tripping within an hour)

1.32 x I

n

Instantaneous non-tripping current

6 x I

Instantaneous tripping current

12 x I

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.

Multiples of I

N

Multiples of I

N

10000

1000

100

10

1

0.1

0.01

0.001

1

220

34

40

660

8 10

100

< 7.0A

> 7.0A

10000

1000

100

10

1

0.1

0.01

0.001

1

220

34

40

660

8 10

100

< 7.0A

> 7.0A

AC tripping characteristics

DC tripping characteristics