Main Switch Board (MSB)Topaz is experienced in design, manufacture and provide turnkey LV MSB (Low Voltage Main Switchboard). MSB is an assembly of distribution panels, each of which contains switches and breakers that allow electricity to be redirected to appropriate loads.The role of MSB is to divide the main current provided to the swicthboard into smaller loads for further distribution and to provide switching, over current protection and metering for these various loads. |
Product Brochures: MSB-rev2.pdf(649 KB) |
Technical Specification |
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| Rated Operating Voltage | : Ue 690VAC, 50/60Hz |
| Rated Current | : Ie 500 - 6000A |
| Rated impulse withstand voltage | : Uimp 6000VDC |
| Rated insulation voltage | : Ui 1000VAC |
| Standards Conformance | : IEC 60439-1, BSEN 60439-1, AS 3439.1, IEC 60529, IEC 61641, IEC-61439 : 2009 |
| Rated short circuit withstand | : Icw 80kA rms for 3 s Ipk 176 kA Icw 80kA 1s Ipk 176kA |
| Forms of internal separation | : 1, 2a, 2b, 3a, 3b, 4a, 4b |
| Busbar system | |
| *Material | : Copper, Oxygen-free high conductivity |
| *Surface treatment | : Tin-plated or PVC heat-shrink sleeve |
| *Support material | : Fiberglass reinforced polyester |
| Zone Location | : Indoor |
| Enclosure mounting | : Wall-mounted or free-standing |
| Enclosure Material | : Mild steel, electro-galvanized, or stainless steel |
| Standard Color | : Grey, Surface finish: Dip coat-primed, powder-coated in textured RAL 7035 |
| Ingress Protection (IP) | : IP20 - 42 |
| Approval | : Energy Commission (Suruhanjaya Tenaga) |
| Options | : Automatic Mains Failure (AMF), Synchronizing Panel for Standby Generators |
Application |
| LV MSB for commercial and industrial applications |
