This D3 series have 2 frames. It's a 3-in-1 combination design which saves more space compared to other general series. 

Feature

.Two mounting ways: baseboard, busbar

.Built-in flip-open cover

.Saving more space

.Rated primary current from 30A to 600A

Specification

Rated frequency:  50/60Hz

Rated withstand voltage:  3kV AC (1min)

Rated thermal current (Ith):  60In

Dynamic stable current: 2.5Ith

Rated voltage (Um):  0.72kV AC

Continuous overload (Id):  1.2In

Operating temperature:  -10℃~50℃

Flame retardant rating of housing:  VO

Safety factor:  FS 5

Secondary current:  5A/1A

Standard

IEC61869.1:2007  IEC61869.2:2012  GB/T20840.1-2010  GB/T20840.2-2014