3/4-pole

General technical details

Standards

IEC / EN 60947-1, IEC / EN 60947-3, VDE 0660 Part 7

Size

000

00

1

2

3

Rated uninterrupted current (IU)

A

160 1)

160

250

400

630

  • For fuse links acc. to IEC 60269-2

Size

000

00/000

1 / 0

2 / 1

3 / 2

Conventional free-air thermal current Ith

A

160 1)

160

250

400

630

Rated operational voltage (Ue) 2)

  • At 50/60 Hz AC

V

690

  • At DC – 3 conducting paths series-connected

V

440

  • At DC – 2 conducting paths series-connected

V

240

  • For utilization category AC-20B or DC-20B 3)

V

1000

Rated insulation voltage (Ui) 3)

V

1000

Rated impulse withstand voltage (Uimp)

kV

8

1) 160 A available in combination with feeder terminal 3NP1923-1BD00, otherwise max. 100 A

2) The permissible operational voltage range is restricted for versions with fuse monitoring

3) Up to pollution degree 2, above this 690 V

See Technical specifications for fuse monitoring

Operating and short-circuit behavior

Standards

IEC / EN 60947-1, IEC / EN 60947-3, VDE 0660 Part 7

Size

000

00

1

2

3

Rated operational current Ie

  • AC-21B, AC-22B, 23B at 400 V AC

A

160

160

250

400

630

  • AC-21B, at 500 V

A

160

160

250

400

630

  • AC-22B, at 500 V

A

125

160

250

400

630

  • AC-23B, at 500 V

A

40

63

200

315

500

  • AC-21B, at 690 V

A

160

160

250

400

630

  • AC-22B, at 690 V

A

50

125

250

400

500

  • AC-23B, at 690 V

A

25

35

100

125

200

  • DC-21B, 240 V – 2 conducting paths series-connected

A

160

160

250

400

630

  • DC-22B, 240 V – 2 conducting paths series-connected

A

100

160

250

400

630

  • DC-23B, 240 V – 2 conducting paths series-connected

A

80

100

200

250

400

  • DC-21B, 440 V – 3 conducting paths series-connected

A

100

160

250

400

630

  • DC-22B, 440 V – 3 conducting paths series-connected

A

50

125

200

315

500

  • DC-23B, 440 V – 3 conducting paths series-connected

A

25

63

100

160

250

Rated making capacity with isolating blades at 500 V AC

kA

2

6

17

17

17

Rated conditional short-circuit current with fuses (by fast switch on)

  • Rated current at 500 / 690 V

kA

80/80

80/80

80/50

80/50

50/50

  • Permissible let-through current of the fuses, peak value

kA

10

15

25

40

50

Short-circuit strength with fuses (with closed disconnector)

  • Rated current at 500 / 690 V

kA

120/100

120/100

120/100

100/100

100/100

  • Let-through I2t value combined with upstream fuse

kA2s

223

223

780

2150

5400

  • Permissible let-through current of the fuses, peak value

kA

15

23

32

40

60

Power loss per pole with thermal current Ith (without fuses)

W

5

5

8

14

30

Maximum power loss of the usable fuses (per fuse1))

W

7.5 2)

12

23

34

48

Mechanical endurance, operating cycles

2000

2000

1600

1000

1000

1) Values are valid when using LV HRC fuses according to IEC 60269-1 (characteristics gG, gL, aM). If using fuses for semiconductor protection, please refer to the Derating table.

2) For operation up to 160 A, max. 9 W

Derating values of 3NP1 fuse switch disconnectors when using SITOR fuses

Main conductor connection

Standards

IEC / EN 60947-1, IEC / EN 60947-3, VDE 0660 Part 7

Size

000

00

1

2

3

Conductor cross-section max. for circular conductors (box terminal)

mm2

50

70

185

300

300

Busbar systems or cable lugs, max. dimensions (number x width x thickness)

  • Flat terminals

mm

--

24 x 12

25 x 18

34 x 18

40 x 18

  • Box terminals

mm

8 x 8

9 x 12

20 x 10

32 x 10

32 x 20

Tightening torque

  • Flat terminals

Nm

--

10 ... 12

10 ... 12

10 ... 12

10 ... 12

  • Box terminals

Nm

3.5 ... 4

10

10

25

25

Other properties

Standards

IEC / EN 60947-1, IEC / EN 60947-3, VDE 0660 Part 7

Size

000

00

1

2

3

Degree of protection

  • With molded-plastic masking frame/cable lug cover

IP40 (switch closed) / IP20 (switch open)

  • W/o molded-plastic masking frame/cable lug cover

IP30 (switch closed) / IP20 (switch open)

Ambient conditions

  • Ambient temperature during operation 1)

°C

-25 ... +55

  • Ambient temperature during storage 1)

°C

-50 ... +80

  • Mounting position

Vertical and horizontal (no derating)

Pollution degree, max.

3 (2 for versions with fuse monitoring)

1) Temperature range may be restricted by the fuses to be used – please note the technical specifications of the fuses