Technical specifications of 3KC3 and 3KC6 from 40 A to 160 A

3KC3424

3KC6424

3KC3426

3KC6426

3KC3428

3KC6428

3KC3430

3KC6430

3KC3432

3KC6432

3KC3434

3KC6434

Continuous current

A

40

63

80

100

125

160

Operating voltage at 50/60 Hz AC

V

415

Insulation voltage Ui of the main circuit

V

800 AC

Insulation voltage Ui of the control circuit

V

300 AC

Impulse withstand voltage (Uimp) of the main circuit

kV

6

Impulse withstand voltage (Uimp) of the control circuit

kV

RTSE: 4 / ATSE: 2.5

Overvoltage category with pollution degree 3

RTSE: III / ATSE: II

Operational current in compliance with IEC 60947-6-1

  • AC-31 A/B 415 V

A

40

63

80

100

100/125

100/160

  • AC-32 A/B 415 V

A

40

63

80

100

100/125

100/160

  • AC-33 B 415 V

A

40

63

80

100

125

125

Operational current in compliance with IEC 60947-3

  • AC-21 A/B 415 V

A

40

63

80

100

125

125/160

  • AC-21 A/B 690 V

A

40

63

80

100

125

125

  • AC-22 A/B 415 V

A

40

63

80

100

125

125/160

  • AC-22 A/B 690 V

A

40

63

80

80

100/125

100/125

  • AC-23 A/B 415 V

A

40

63

80

100

125

125/160

  • AC-23 A/B 690 V

A

40

63

63

80

80

80

Operational power in compliance with IEC 60947-3

  • AC-23 A/B 415 V

kW

22

37

45

55

60

75

  • AC-23 A/B 690 V

kW

37

55

55

75

75

75

Short-circuit behavior

Short-circuit current ratings in compliance with IEC 60947-3

  • Short-time withstand current Icw

1 s, 415 V

kA

4

50 ms, 415 V

kA

10

  • Short-circuit current making capacity Icm

1 s, 415 V

kA

5.88

50 ms, 415 V

kA

17

Conditional short-circuit current with fuse

  • Continuous current of upstream fuse

A

40

63

80

100

125

160

  • Conditional short-circuit current with fuse (415 V), IEC 60947‑6‑1

kA

50

50

50

50

50

40

  • Conditional short-circuit current with fuse (415 V), IEC 60947‑3

kA

50

50

50

50

50

40

  • Let-through current of gG fuse at 415 V; max. permissible

kA

14

14

14

14

14

17

  • I2t value of the gG fuse at 400/500 V; max. permissible

kA2s

61.3

61.3

61.3

61.3

64.3

109

Transfer switching properties

Switching time I-0 & II-0

ms

45

Switch-off time I-0-II & II-0-I IEC 60947‑6‑1 (time during which load is de-energized)

ms

150

Transfer time I-0-II & II-0-I IEC 60947‑6‑1

ms

180

Transfer time I-0-II & II-0-I IEC 60947‑6‑1 with source monitoring

s

1.4

Motor operator rated apparent power at 230 V AC

VA

6

Motor operator peak inrush current at 230 V AC

A

30

Main conductor connection

  • Cu conductor, solid

mm2

1 x (10 … 70)

  • Cu conductor, stranded

mm2

1 x (10 … 70)

  • With cable lug (DIN 46234)

mm2

-

  • Cu busbar

mm2

-

Tightening torque for main contacts

Nm

5

Other properties

Power loss; per pole

W

0.5

1.2

2.2

4

5.2

8.7

Mechanical endurance

8500

8500

8500

8500

7000

7000

Electrical endurance (AC-23A at 415 V)

1500

1500

1500

1500

1000

1000

IP protection class / with cover

IP00 / IP20

Ambient temperature

  • Operation

°C

-20 ... +70

  • Storage

°C

-40 ... +70

Width x height x depth (4‑pole switch)

mm

340 x 245 x 73.5