Technical data

Step-up choke

Unit

NDR0750-503

NDR1100-501

Part number

–

17999138

17996414

Nominal line voltage Vline (in accordance with EN 50160)

V

3 × AC 230 – 500

Nominal current IN

A

75 A

110 A

Line frequency fline

Hz

50 – 60

Nominal inductance

µH

300

Nominal power loss

W

650

950This is the power loss from the step-up choke network, which consists of 3 NDR1100-501 chokes.

Ambient temperature ϑA

°C

0 – 45

Connection contact to MDF90B..
U1A/V1A/W1A

–

Screw terminal

U1A/V1A/W1A cross section

mm2

4 – 16

U1A/V1A/W1A tightening torque

Nm

1.5 – 1.8

U1/V1/W1 - U2/V2/W2 connection contact

–

Screw terminal

U1/V1/W1/UDC – U2/V2/W2 cross section

mm2

10 – 50

10 – 70

U1/V1/W1 - U2/V2/W2 tightening torque

Nm

6 – 8

PE connection contact

–

Screw terminal

PE cross section

mm2

10 – 50

10 – 70

PE tightening torque

Nm

6 – 8

Degree of protection according to EN 60529

–

IP10

Mass

kg

27

16.4The mass specification refers to an NDR1100-501 step-up choke.