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Learn more by watching our HAGER KDN180A | 12 Pole Single Phase Fork Style Insulated Busbar 80A 16mm video.
The Hager KDN180A is a 12 pole single phase fork style copper busbar rated for 80A at 230V, with plastic insulation on the body and fork-style connections that reduce wiring effort and prevent hot spots. Designed for single phase distribution in switchboards, the KDN180A eliminates the need for looping active conductors, allowing cable connections to land directly on the fork terminals with screw or quick-connect fixings. The 210mm length suits standard DIN rail enclosures and panel mounting applications. Each terminal accepts rigid cable up to 16mm², with a 12mm pitch between poles for consistent spacing across the busbar run.
Electricians and panel builders appreciate fork-style busbars because they cut installation time significantly compared to looped building wire, especially on high-pole-count applications. The fork design distributes fault currents more evenly across the bar, reducing the risk of localized heating that can damage cable insulation. The Hager KDN180A is stone grey epoxy-insulated for durability in industrial and domestic switchboard environments.
The Hager KDN180A is designed for single phase switchboard and sub-board applications only. It is not suitable for three phase distribution (3P or 3P+N applications require three phase busbar combs). The 80A rating applies to the busbar itself and must be protected by an appropriately sized main switch and RCD on the supply side; each individual circuit landing on the busbar must have its own circuit breaker or RCBO rated to the cable size and the expected load. The KDN180A should not be used in environments subject to moisture, chemical exposure, or temperatures exceeding the rated insulation limits; for outdoor, damp, or corrosive locations, enclosed or weatherproof busbar systems are more appropriate.
Verified Sparky Direct customer reviews: Hager 12 Pole Single Phase Fork Style Insulated Busbar 80A 16mm² (KDN180A)
"Hager stuff - works great." — Matt
"Excellent connection to CBs." — Russell
"Excellent service, quick delivery." — Anonymous
(KDN180A)
A fork busbar like the KDN180A has individual terminals (forks) for each cable connection, whereas looped building wire requires electricians to manually loop the active conductor around a terminal screw. Fork busbars cut installation time by 50 percent or more, eliminate the risk of loose loops, and distribute fault current more evenly.
No. The KDN180A is a single phase busbar only. Three phase applications require a three phase busbar comb (e.g., Clipsal RMXPH312 or NLS 30850) with separate poles for each phase.
The KDN180A is rated for rigid cable up to 16mm² cross-section. Flexible cable may fit but is not recommended; use rigid building wire (TPS, NYAF, or single-core) for optimal terminal contact and no risk of strand escape.
No. The stone grey epoxy insulation is designed for dry indoor enclosures (switchboards, distribution boards, DIN cabinets). Outdoor, damp, or corrosive environments require enclosed or stainless steel busbars. For wet locations, consult Hager's weatherproof busbar range or a distribution board with sealed connections.
Each circuit on the KDN180A must be protected by an individual circuit breaker or RCBO (typically 6–32A) rated to the cable size. The entire busbar run should be protected by a main switch (63–80A) and an RCD (30mA Type A or B) installed on the supply side before the busbar.
The Hager KDN180A is available online from Sparky Direct, with Australia-wide delivery to any state or territory including regional areas. Sparky Direct is an Australian electrical wholesaler established in 2005, supplying more than 500,000 customers with transparent trade pricing.
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These specifications and characteristics outline physical, mechanical, electrical details.
| Brand | Hager Electrical |
| SKU | KDN180A |
| Model # | KDN180A |
| Barcode # | 3250613740986 |
| Package Weight | 0.060kg |
| TYPE | VALUE |
|---|---|
| Type | Insulated Busbar |
| Brand | Hager Electrical |
| Rated Current (A) | 80 |
| Width (mm) | 210 |
| Number of Poles | 1P |
| Total Number of modules | 12 |
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