P.O. Box : 6863, Code No. 32043, Kuwait
Main and Submain Switchboard

Product Derscription
Main Switch Board (MSB) / Sub-Main Switchboard (SMSB)
Standard Compliance to
MEW Regulations R1 | |
IEC 439 / BS 5486 | Panel Construction |
BS 159 | Busbars Connections |
IEC 947 – 2 | Circuit Breakers |
BS 88/ IEC | Fuses |
BS 142/IEC | Protective Relays |
BS 3938/IEC 185 | Current Transformers |
IEC 51/BS 89 | Metering and other relevant standards |
1. Distribution System : 3Ph & N System 415/240V, 50HZ |
2. Fault Level Rating : 15KA / 15KA / 35KA / 50KA |
3. Busbars : Electrolytic Tinned copper with 99.9% purity. |
Color-marked for Phase Identification
Capacity | RYB & N upto 630A (800A & above available on request) |
E: 50% of phase busbar | |
Supports | Moulded DMC fiber-glass Insulating supports with high resistance & Reduced flammability |
Working Temp – 160˚C | |
Working Voltage – 660V |
4. Enclosure:
Construction | Box / Cubicle, Non Cellular, Totally Enclosed, Front Accessible. |
Material | Steel Sheet |
Treatment | Electro Galvanized / Zinc Coated. |
Gauge | 1.5mm / 2.0mm |
Painting | Powder Coating matt Polyster, RAL 7032 |
IP Protection | IP 52 Indoor Installation |
IP 54 Outdoor Installations |
5. Assembly:
Materials used are capable of withstanding the mechanical, electrical, and thermal
stresses as well as the effect of humidity which are likely encountered in normal
service.