Sandwich Bus Duct System

Working quietly for your smile. Fully tested to IEC 61439-6, from 250A to 6300A in Aluminium & Copper. Compact, safe, and energy efficient power distribution for industrial & commercial risers.

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Sandwich Busduct System

High-performance power trunking

HAPL Controls is one of the top Sandwich Bus Duct suppliers in India. Our Sandwich Bus Duct System is fully tested and certified according to the requirements of standard IEC 61439-6:2012. Available in current ratings of 250A to 6300A in Aluminium and 400A to 6300A in Copper.

A Bus Duct system is used extensively due to its convenient installation and management compared to cabling and trunking. As a leading Sandwich Bus Duct supplier, HAPL Controls Sandwich Bus Duct System is accredited for quality by DEKRA, and offers Seismic Compliance of Zone-IV & V. Our products have compact & flexible design, offer good heat absorption, reduced loss of energy, and safe and secure power distribution.

APPLICATIONTermination between Equipment and Switchboard, Switchboard to Switchboard
REFERENCE STANDARDIEC 61439 - Part 1 & 6
CURRENT RATINGAluminium – 250A to 6300A / Copper – 400A to 6300A
DEGREE OF PROTECTIONIP54 for Indoor | IP65 for Outdoor (With Canopy)
SEISMIC COMPLIANCEZone-IV & V
HOUSINGElectro Galvanized steel 1.5mm and Aluminium wrap around
TYPE OF INSULATIONMylar / PET
INSULATION CLASSClass B-130°C & Class F-155°C
QUALITY ACCREDITATIONDEKRA, CE, ASTA, UL, KEMA KEUR
HOUSING EARTHIntegral Earth
NEUTRAL SIZE50%, 100%, 200%
JOINTS & PLUG IN CONTACTSSilver Flashed / Tin Plated
Seismic compliance – Zone-IV & V certified
Plug-in operation – easy tap-off units
Ingress protection – IP40, IP41, IP54, IP65, IP66
Compact structure – more space saving than cables
Low impedance & low losses – energy efficient
Durable & rugged – electro galvanized 1.6mm housing + epoxy powder coating
Easy installation – quick assembly by two persons
Lightweight – 40% lighter than cable systems
Natural cooling – totally enclosed design
Voltage withstand – 415V operating, 10kV withstand
Fully type-tested as per IEC 61439-6, DEKRA certified, seismic qualified.

Why Sandwich Busduct?

  • IEC 61439-6 certified – global compliance, DEKRA approved
  • High short-circuit strength – robust bracing for fault currents
  • Integral earth & neutral options – 50% / 100% / 200% neutral
  • Silver flashed / tin plated joints – low contact resistance
  • Seismic & harsh environment ready – Zone IV & V, IP65 outdoor
  • Reduced voltage drop – better performance even at low PF

Trusted by infrastructure giants for reliable power risers

Engineering Excellence & Certifications

IEC 61439-6

Full type tested & DEKRA certified

Seismic Zone-IV/V

Qualified for high seismic regions

IP65 Outdoor

With canopy protection, weather resistant

Eco-friendly

Low losses, RoHS compliant materials