A piece of Z4 series DC Motor, model Z4-280-21, was shipped for Singapore on March 24th, 2011

Some information about this DC motor is as below:

Model: Z4-280-21

Rated Power:200Kw

Armature voltage: 440Vdc

Field Voltage: 180Vdc

Rated Speed:1000RPM

Field Weakening Speed: 2000RPM

Cooling: IC06(with cooling fan & filter fix at the commutator end)

Duty: S1

Fan Power 3phase, 380V, 50Hz,

Protection: IP21S,

Insulation: class F

Mounting: B3,

Ambient temp. 40^oC,

Max. Altitude 1000m

Winding and bearing with 4pcs of PT100 for thermal protection

With Tachogenerator: ZYS-100A,8W,100V,1000RPM

With NSK Bearing