General
Colour control element	Black
Colour housing	Grey
Degree of protection (IP), front side	IP20
Depth	135
Device construction	Built-in device fixed built-in technique
Height	211
Number of auxiliary contacts as change-over contact	0
Number of auxiliary contacts as normally closed contact	0
Number of auxiliary contacts as normally open contact	0
Number of poles	4
Number of switches	2
Rated current	400
Rated voltage at DC	1000
Type of control element	Door coupling rotary drive
Type of electrical connection of main circuit	Bolt connection
Width	255.5
Floor mounting
Interlockable
Suitable for distribution board installation
Suitable for front mounting centre
Suitable for intermediate mounting
Version as emergency stop installation
Version as main switch
Version as maintenance-/service switch
Version as reversing switch
Version as safety switch
Voltage release optional

A four-pole DC load break switch for utility-scale 1000V photovoltaic power plants, covering the current range of 315-630A.
The four-pole 1000V DC switch helps manufacturers to improve system efficiency. The compact size of the OTDC range allows manufacturers to reduce the size of combiner boxes and inverters.
Main features of this special OTDC type:
Disconnecting dual PV circuit, approved according to IEC 60947-1, -3.