Main devices of sizes 2 and 3

Size

2

3

Switch disconnector with fuse

Type 3NJ62...

LV HRC

...22-3

...22-4

...23-1

...24-1

...24-2

...23-3

...23-4

...32-3

...32-4

...33-1

...34-1

...34-2

...33-3

...33-4

BS

...82-3

...82-4

...83-3

...83-4

...92-3

...92-4

...94-1

...94-2

...93-3

...93-4

...33-3

...33-4

Breaking capacity

H

S

H

H

S

H

Rated insulation voltage Ui

V

1000

Rated impulse voltage Uimp

V

8000

Rated operational current Ie

  • For fuse links acc. to IEC 60269/BS 88

A

400

630

500

630

500

For fuse

links acc. to

IEC 60269

2 and 1

3 and 2

For BS fuse

links acc. to BS 88

B4

3T1)

Rated operational voltage Ue

  • At 50/60 Hz rated frequency

V

--

--

690

230

440

500

690

500

690

  • At DC

V

230

440

--

--

--

--

--

--

--

--

Utilization category

DC-23B

DC-21B

AC-22B

AC-23B

DC-23B

DC-21B

AC-22B

AC-23B

Rated conditional short-circuit current

  • Short-circuit strength (rms value)

kA

60

100

60

100

  • Short-circuit making capacity (rms value)

kA

60

55

66

60

55

66

Rated making capacity

  • cos φ = 0.65

A

--

--

1200

--

--

--

1890

1500

--

--

  • cos φ = 0.45

A

--

--

--

--

--

--

--

--

--

--

  • cos φ = 0.35

A

--

--

--

4000

--

--

--

--

6300

5000

Rated breaking capacity

  • cos φ = 0.65

A

--

--

1200

--

--

--

1890

1500

--

--

  • cos φ = 0.45

A

--

--

--

--

--

--

--

--

--

--

  • cos φ = 0.35

A

--

--

--

3200

--

--

--

--

5040

4000

Endurance

Operating cycles total

1000

1000

Electrical (690 V, cos φ = 0.65)

200

200

Power loss (without fuse links)

W

158

357

Permissible ambient temperature

°C

-5 ... +55

Permissible mounting position

Horizontal and vertical with bottom connection

Degree of protection (in operating state)

IP41

Connection type

Main conductor connection

Cable lug connection

  • Conductor cross-section (Al/Cu, solid or stranded) according to DIN 46235 (Cu) and DIN 46239 (Al)

mm2

1x 25-300

2x 25-240

1x 25-300

2x 25-240

  • Screw size

2 x M12

2 x M12

  • Tightening torque

Nm

30

30

Clamp connection

  • Conductor cross-section (Al/Cu), rm

mm2

2x 16-185

2x 16-185

  • Conductor cross-section (Al/Cu), re

mm2

2x 16-150

2x 16-150

  • Conductor cross-section (Al/Cu), sm

mm2

2x 35-240

2x 35-240

  • Conductor cross-section (Al/Cu), se

mm2

2x 35-300

2x 35-300

  • Required torque

Nm

25

25

1) The fuse is available from Lawson Fuses (UK) and does not correspond to BS 88.

Auxiliary switch

Acc. to IEC 60947-5-1

Rated insulation voltage Ui

V

690

Rated impulse voltage Uimp

V

8000

Rated operational current Ie

  • At AC 15, Ue = 120 V

A

8

  • At AC 15, Ue = 230 V

A

6

  • At AC 15, Ue = 400 V

A

4

  • At AC 15, Ue = 690 V

A

2

Electronic fuse monitoring devices, AC version (EFM10)

Size

00

1

2/3

Apparent power consumption S

VA

Approx. 2.5

Internal resist. of measurement circuit

Rin > 6

Storage temperature

°C

-20 ... +80

Operating temperature

°C

5 ... +55

Operating temperature (500 V or 500 A)

°C

5 ... +35

Degree of protection in closed disconnector

IP40

Rated operational voltage of the main control switching devices

V AC

230 ... 690

Hz

50/60

Voltage limits

%

± 15

Signaling relay acc. to IEC 60947‑5‑1

A

Ith = 1.5

kV

Uimp = 4

V

Ui = 250

Load capacity of the signaling relay

  • Ue

V

24

125

240

  • DC-13; Ie

A

1

0.2

0.1

  • AC -15; Ie

A

1.5

Short-circuit protection

Max. fuse protection DIAZED 2 A gLgG

Electronic fuse monitoring devices, AC version (EFM20)

Size

00

1

2/3

Apparent power consumption S

VA

Approx. 2.5

Internal resist. of measurement circuit

Rin > 6

Storage temperature

°C

-20 ... +80

Operating temperature

°C

5 ... +55

Operating temperature (500 V or 500 A)

°C

5 ... +35

Degree of protection in closed disconnector

IP40

Rated operational voltage of the main control switching devices

V AC

230 ... 690

Hz

50/60

Voltage limits

%

± 15

Undervoltage

V

375

Overvoltage

V

425

Voltage drop for faulty fuses

V

>13

Delay time

s

0.1

Relay 2

As relay 1 (fuse monitoring)

Storage function

Off

Open/closed-circuit principle

Closed-circuit principle

Mode

Run mode

Menu option

Display of voltage values / signals

Signaling relay acc. to IEC 60947‑5‑1

A

Ith = 1.5

kV

Uimp = 4

V

Ui = 250

Signaling relay 1

1 changeover contact for fuse monitoring only

Signaling relay 2

1 changeover contact as output for central fault OR as signaling relay 1 (presetting)

Load capacity of the signaling relay

  • Ue

V

24

125

240

  • DC-13; Ie

A

1

0.2

0.1

  • AC -15; Ie

A

1.5

Short-circuit protection

Max. fuse protection DIAZED 2 A gLgG

Electronic fuse monitoring devices, DC version (EFM25)

Size

00

1

2/3

Apparent power consumption S

VA

Approx. 2.5

Internal resist. of measurement circuit

Rin > 6

Storage temperature

°C

-20 ... +80

Operating temperature

°C

5 ... +55

Operating temperature (500 V or 500 A)

°C

5 ... +35

Degree of protection in closed disconnector

IP40

Rated operational voltage of the main control switching devices

V AC

220 ... 440

Voltage limits

%

± 15

Undervoltage

V

200

Overvoltage

V

240

Voltage drop for faulty fuses

V

>20

Delay time

s

0.1

Relay 2

As relay 1 (fuse monitoring)

Storage function

Off

Open/closed-circuit principle

Closed-circuit principle

Mode

Run mode

Menu option

Display of voltage values / signals

Signaling relay acc. to IEC 60947-5-1

A

Ith = 1.5

kV

Uimp = 4

V

Ui = 250

Signaling relay 1

1 changeover contact for fuse monitoring only

Signaling relay 2

1 changeover contact as output for central fault OR as signaling relay 1 (presetting)

Load capacity of the signaling relay

  • Ue

V

24

125

240

  • DC-13; Ie

A

1

0.2

0.1

  • AC -15; Ie

A

1.5

Short-circuit protection

Max. fuse protection DIAZED 2 A gLgG

Ammeters

Input

x /1 A or x /5 A

Overload

  • Moving-iron measuring instruments

1.2 times

  • Bi-metal measuring instruments

Double

Slave pointer

  • Moving-iron measuring instruments

min

---

  • Bi-metal measuring instruments

min

15

Power consumption

  • Moving-iron measuring instruments

VA

0.6

  • Bi-metal measuring instruments

VA

1

Motorized operating mechanism

Size

00

1

2/3

Supply voltage

V DC

24 ± 2

Current consumption

A

1.1

1.3

2.8

Service life (no limitation of switch disconnector according to IEC 60947-3)

Operating cycles total

1600

Operating cycles under load

200

Signal duration

s

Min. 0.5 or continuous signal