Technical specifications 3LD3

General technical details

Standards

IEC 60947-3 (VDE 0660-107), EN 60204-1 (VDE 0113-1)

Article number

3LD30...

3LD31...

3LD32...

3LD33...

3LD34...

Rated uninterrupted current

A

16

25

32

40

63

Rated insulation voltage

V

690

690

690

690

690

Rated operational voltage for AC at 50/60 Hz

V

690

690

690

690

690

Operating frequency

Hz

50 ... 60

50 ... 60

50 ... 60

50 ... 60

50 ... 60

Impulse withstand voltage, rated value

kV

6

6

6

6

6

Short-time withstand current (ICW) limited to 1 s,

Rated value

kA

0.5

0.5

0.5

1

1

Design of fuse link required for short-circuit protection of the main circuit

Fuse
gL/gG: 16 A

Fuse
gL/gG: 25 A

Fuse
gL/gG: 32 A

Fuse
gL/gG: 40 A

Fuse
gL/gG: 63 A

Conditional short-circuit current with line-side fuse at 690 V via gG fuse, rated value

kA

6

6

6

6

6

Let-through current with closed switch at 690 V for combination switch + gG fuse, max. permissible

kA

3

3.5

4.5

5

6

Typical power loss for each conductor

W

0.5

1.1

1.1

1.8

4.5

Typical mechanical endurance (operating cycles)

100 000

Electrical endurance (operating cycles) at AC-23A at 690 V at 50/60 Hz

6000

Operational power and ambient temperature

Standards

IEC 60947-3 (VDE 0660-107), EN 60204-1 (VDE 0113-1)

Article number

3LD30...

3LD31...

3LD32...

3LD33...

3LD34...

Rated operational power

AC-3 motor load switch

Operational switching of individual motors

  • At 220 ... 240 V

kW

3

4

5.5

7.5

11

  • At 380 ... 440 V

kW

5.5

7.5

9.5

11.5

18.5

  • At 660 ... 690 V

kW

5.5

7.5

9.5

11.5

15

AC-23A main control switches, repair switches

Frequent, but not operational switching of individual motors

  • At 220 ... 240 V

kW

3

4

6

7.5

11

  • At 380 ... 440 V

kW

7.5

9.5

11.5

18.5

22

  • At 690 V

kW

7.5

9

11.5

15

18.5

Ambient temperature

During operation

°C

-25 ... +55

During storage

°C

-25 ... +55

Connection and auxiliary switches

Standards

IEC 60947-3 (VDE 0660-107), EN 60204-1 (VDE 0113-1)

Article number

3LD30...

3LD31...

3LD32...

3LD33...

3LD34...

Type of connectable conductor cross-sections

  • Solid for auxiliary contacts

2 x (0.75 ... 2.5 mm2), 1 x 4 mm2

  • Finely stranded with end sleeve for auxiliary contacts

2 x (0.75 ... 1.5 mm2), 1 x 2.5 mm2

  • Stranded for auxiliary contacts

2 x (0.75 ... 2.5 mm2), 1 x 4 mm2

  • Solid for copper conductors

1 x (2.5 ... 16 mm2)

  • Stranded for copper conductors

1 x (2.5 ... 16 mm2)

  • Finely stranded with end sleeve for copper conductors

1 x (2.5 ... 16 mm2)

Design of electrical connection

  • For main circuit

Box terminals

  • For auxiliary contacts

Terminals

Auxiliary switches

Design of fuse link required for short-circuit protection of the auxiliary switch

Fuse gL/gG: 10 A

Insulation voltage for the auxiliary switch, rated value

V

500