1.75% AC Line Choke for 725A (300kW) DC Drive

1.75% Three Phase AC Line Choke for 725A DC Thyristor Drive or Inverter Drive input. 
Drive manufacturers require this to be mounted in the AC supply to complete the Thyristor Transient Suppression Circuit.

DC Drive Rating or Armature Current: 725A
Rated AC Line Current: 653A AC continuous (includes allowance for field Current and overload).
Inductance: 20μH
Input Voltage: up to 480V three phase +-10% at 50/60Hz.
Insulation: Tested to 3kV
Rated at 40°C Ambient.
Ventilation space above and below: 100mm.

Enclosure:  IP00
Connections:  Drilled Bars.
Dimensions:  360mm long, 160mm wide and 350mm high.
Fixings:  8mm diameter holes at 300mm x 110mm.
Weight:  60kg

Full part number is IDSL0725A0020UH. Equivalent to Parker SSD Drives part number: CO466709U073 - (C0466709U073)
Made in the UK

Download the manufacturers drawing from the link below:-