DC link connection

 

Unit

MDR90B-....-503-4..

MDR91B-....-503-4..

Size

4

Type

0500

0750

0500

0750

Nominal DC link voltage VDCL_nom

V

DC 750 at Vline = 400 V1)

DC 560 at Vline = 400 V

Maximum DC link voltage VDCL_max

V

980

Nominal DC link current DC IDCL_nom

A

67

100

112

168

Maximum DC link current IDCL_max

A

167

250

280

420

Overload capacity

250% PN: max. 1 s

X4 connection contacts

Copper rails, M8 × 20 screw

PE connection

Copper rails, M6 × 16 screw

1)

Vline = AC 380 – 400 V → DC link nominal voltage VDCL_nom = DC 750 V

Vline = AC 400 – 480 V → DC link nominal voltage VDCL_nom = DC 750 – 800 V with linear increase

Vline = AC 480 – 500 V → DC link nominal voltage VDCL_nom = DC 800 V