Compliance & Safety
Busduct System
- Design Standards: IS 8623-2 / IEC 61439-6 for modular design and consistent performance.
- Temperature Rise: 70°C over 40°C ambient. Prevents insulation aging & hotspots.
- Rated Current & Voltage: Up to 6300A, 1000V AC with proper derating.
- Short-Circuit Withstand: 50kA / 65kA for 1 sec. Verified by type tests.
- IP Rating: Up to IP65, ensuring protection from dust and water ingress.
- Insulation Materials: Fire-retardant and RoHS-compliant. IEC 60332-1/3, UL 94 V-0.
- Dielectric Test: 2.5 to 3 kV insulation test for 1 minute.
- Earth Continuity: Integrated earth conductor. Resistance <0.1 ohm.
- Joint Integrity: Contact resistance and thermal stress tested. Temp. rise < 50°C
LT Switch Gear
- Enclosure & Assembly: IEC 61439-1 & 2 or IS 8623-1 & 2 for design coordination.
- Rated Voltage & Frequency: 415V, 50 Hz; up to 690V supported.
- Busbar Specification: EC Grade Cu/Al with appropriate derating.
- Protection Devices: MCCB/ACB with IEC 60947-2 compliance.
- Earthing: Dedicated busbar with earth leakage detection.
- Internal Arc Classification: IEC 61641 compliant (optional).
- Shrouding & Interlocks: IP2X minimum with mechanical/electrical interlocks.
- Factory Testing: Continuity, insulation resistance, relay function, Megger & HV test.
Wire & Cable
- Cable Standards: IS 7098-1 (XLPE), IS 1554 (PVC), IS 694.
- Flame Retardance: FRLS, FRLSH, HRFR. IEC 60332-1 & 3.
- Smoke & Toxicity: IEC 61034 (smoke), IEC 60754 (low halogen).
- Insulation Resistance: >100 MΩ/km @ 500V DC.
- Current Carrying Capacity: Calculated as per IS 3961.
- UV & Oil Resistance: Tested for outdoor and harsh environments.
- Bending Radius & Flexibility: Fixed: 10×OD, Flexible: 6×OD.
- CPRI/NABL Certification: Reports available with traceability.
Cable Management
- Design Standard: IEC 61537 and NEMA VE-1 for cable trays.
- Material Coating: GI, powder-coated, SS304/316.
- Load Test & Deflection: Tested up to 500+ kg/m. Support spacing validated.
- IP Rating (Raceways): Up to IP55 with gaskets.
- Fire Barrier / Compartments: Dividers for EM interference control.
- Bonding & Earthing: Earth jumpers across all tray joints. < 0.1 ohm.
- Accessories: Fire stops, covers, inspection windows, label holders.
Earthing & Lightning
- System Design: IS 3043 and IEC 62305-based design.
- Earth Electrode Type: GI/CI pipes or copper bonded rods.
- Conductor Specification: Strips/wires as per fault current requirements.
- Resistance Value: Equipment: ≤1Ω, LA systems: ≤10Ω, General: ≤5Ω.
- Lightning Protection: Conventional and ESE systems per NFC 17-102.
- Test Chamber: With test links for inspection.
- Exothermic / Mechanical Joints: Tamper-proof joints with low resistance.
- Annual Testing & Maintenance: Optional AMC with resistance testing.
Standards & Compliances
- Busbar Trunking must designed, constructed and tested in accordance with latest International Standards and shall confirm to the regulations of local statutory authorities.
- IEC/EN 61439-6 : Particular requirements for Bus Bar Trunking.
- IEC/EN 60439-2 : IEC standard upgraded to IEC 61439-6.**
- IEC-529 : Ingress protection for enclosures.
- DIN IEC 68 Part 2-3 :Suitable for Constant/ cyclic Warm, Humid Climates.
- EN 60695-2-1 : Incandescent Wire test for All plastic Parts.
- UL 94 : Self-extinguishing Property for all plastic parts.
- EN 60332-3 : Fire- retardant.
Types of Busduct
- Air-Insulated Type 25A -1000A
- Sandwich Type 400A -6300A
- Cast Resin Rating 400A to 6300A
- Non-Segregated Phase
- Segregated Phase
- Isolated Phase Busduct
What is Busduct
- Busbar Trunking is advance way to Distribute Electrical Power in Building & Industries.
- Type Tested Assembly made of 2 or More conductors based on configuration ( 2W-PN for 1Ph, 4W-TPN for 3Ph) made from Aluminium or Copper separated from each and from out Enclosure by suitable insulating material is Called Busbar Trunking or Busway.
- This is being used for LT / HT Power Feeder and Distribution over Power cable to enhance Safety, Flexibility & maintenance free site requirements.
Conventional Cable Solutions
- Power cables are mostly being used for LT/HT Power distribution in the Building & Industries since many decades.
- Busbar Trunking solutions overcome the limitation of Power Cable and offer enhanced Safety, More Flexible, Maintenance Free, Environment Friendly and Compact in design need less space requirements.
- Now Busbar Trunking has become a part of Distribution System along with the Cable by utilizing both solution based on site requirements and Priorities.