Ex9M2SD DC 4P

112804
8592765128041

DC MCCB based Switch Disconnectors Ex9MSD are used as a main switch in all kinds of DC applications. Thanks to theirs polarity independence can be used also for PV. They serve there as a main disconnector of DC side of the power plant in combiner or array boxes. These switch disconnectors have same size and design as standard Ex9M MCCBs. Therefore is there possibility to use fully compatible range of external and internal accessories including extended rotary handles, auxiliary contacts, tripping units, motor operators and terminal covers.

Version as main switchAno
Version as maintenance-/service switchNe
Version as safety switchNe
Version as emergency stop installationNe
Version as reversing switchNe
Number of switches1
Max. rated operation voltage Ue AC [V]-
Rated permanent current Iu [A]250
Rated permanent current at AC-23, 400 V [A]-
Rated permanent current at AC-21, 400 V [A]-
Rated short-time withstand current lcw
Conditioned rated short-circuit current Iq
Number of poles4
Motor drive optionalAno
Motor drive integratedNe
Voltage release optionalAno
Device constructionBuilt-in device fixed built-in technique
Suitable for ground mountingAno
Suitable for front mounting 4-holeNe
Suitable for front mounting centerNe
Suitable for distribution board installationAno
Suitable for intermediate mountingAno
Colour control elementGrey
Type of control elementRocker lever
InterlockableNe
Type of electrical connection of main circuitScrew connection
Degree of protection (IP), front sideIP20