Main switchboard (MSB) 250 – 6,300 A
Type-tested LV switchboard assembled at the RAMAN Tech factory to IEC 61439-1, for ACB/MCCB incomers 250 – 6,300 A with metering, power-factor correction and ATS.
Download the Transformers – substations – switchgear catalogue (PDF)
Technical specifications
| Standard | IEC 61439-1 |
|---|---|
| Type tests | Quatest (Vietnam), ASTA (Australia) |
| Rated voltage Ue | 690 V |
| Insulation voltage Ui | 1,000 V |
| Impulse withstand voltage Uimp | 12 kV |
| Rated current | 250 – 6,300 A |
| Short-time withstand current Icw | up to 100 kA / 3 s |
| Earthing system | TN-C, TN-S, IT, TT |
| Protection rating | IP42, IP55, IP65 |
| Frame / door steel | 2.0 / 1.5 – 2.0 mm |
| Form of separation | Form 1 – 4 |
| Busbar | 99.99 % tinned copper |
| Powder coating | 60 – 80 µm · RAL 7032 / 7035 |
