Ex9M4SD DC 4P
112812
8592765128126
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 switch | Jah |
| Version as maintenance-/service switch | Ei |
| Version as safety switch | Ei |
| Version as emergency stop installation | Ei |
| Version as reversing switch | Ei |
| Number of switches | 1 |
| Max. rated operation voltage Ue AC [V] | - |
| Rated permanent current Iu [A] | 630 |
| 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 poles | 4 |
| Motor drive optional | Jah |
| Motor drive integrated | Ei |
| Voltage release optional | Jah |
| Device construction | Built-in device fixed built-in technique |
| Suitable for ground mounting | Jah |
| Suitable for front mounting 4-hole | Ei |
| Suitable for front mounting center | Ei |
| Suitable for distribution board installation | Jah |
| Suitable for intermediate mounting | Jah |
| Colour control element | Grey |
| Type of control element | Rocker lever |
| Interlockable | Ei |
| Type of electrical connection of main circuit | Screw connection |
| Degree of protection (IP), front side | IP20 |