Topic: 3-in-1 / three-station busbar machine · selection · simultaneous work
Brand focus: LT / LTMC 303U-3-C · 503U-3-C · 803U-3-C
Audience: Australian switchboard builders and panel shops
Quick answer
A 3-in-1 busbar processing machine integrates dedicated punching, hydraulic shearing, and bending stations in one frame — a practical layout for many Australian panel builders who need punch, cut and bend without three separate cells. Operators normally move and position the bar at each station. PLC/HMI measurement helps, but does not make feeding fully automatic unless specified. Select by operation-specific capacity, material, width×thickness, holes, bend geometry, tolerances, mix, handling, and FAT. LT models: 303U-3-C · 503U-3-C · 803U-3-C.

Three-station layout overview with English callouts

BMC factory view of multi-station busbar machine (LT / LTMC)

LTMC 503U-3-C three-station busbar machine overview (LT / LTMC)
What a 3-in-1 is (and is not)
Is: one footprint for cut + punch + bend; shared or independent hydraulics; lower layout complexity for SME shops.
Is not: a promise that every process finishes in one loading without repositioning. Operators may rotate, support, and re-clamp per hole map and bend sequence.
Many U-3-C designs use three motor–pump groups so stations can work simultaneously when three operators are assigned—or sequentially with one.

Hydraulic centre: three independent pump units
Station snapshot
| Station | Role | Buyer check |
|---|---|---|
| Punch (often 6-die turret) | Holes / slots | Φ range, edge distance, die list |
| Shear | Finished length | Burr, square, tear zone |
| Bend | Flat & edge geometries | Radius, springback, vertical limit |

Punching turret unit with multi-station dies (LT / LTMC)

Cutting (shearing) unit close-up (LT / LTMC)

Bending unit with worktable and HMI (LT / LTMC)
Model selection card

Model selection card: 303U-3-C / 503U-3-C / 803U-3-C
| Entity | 303U-3-C | 503U-3-C | 803U-3-C |
|---|---|---|---|
| Nominal force (kN) | 300 | 500 | 800 |
| Punching diameter (mm) | Φ4.3–Φ25 | Φ4.3–Φ30 | Φ4.3–Φ34 |
| Max thickness / width (mm) | 12 / 150 | 16 / 200 | 20 / 250 |
| Max horizontal bend (mm) | 150 / 12 | 200 / 16 | 250 / 20 |
| Max vertical bend size (mm) | 10×100 | 12×120 | 12×120 |
| Motor power | 3×4 kW | 3×5.5 kW | 3×5.5 kW |
When to choose 3-in-1 vs dedicated / CNC line

Architecture compare: 3-in-1 vs dedicated vs portable
| Need | Prefer |
|---|---|
| Mixed orders, limited space | Hydraulic 3-in-1 |
| Recurring coordinates | Servo / recipe-assisted 3-in-1 |
| Punch+shear hours dominate | Dedicated punch–shear |
| Bend is the bottleneck | Dedicated bender |
| Parallel high output | Separate stations / line |
Quotation information checklist
| Information | Details | Confirms |
|---|---|---|
| Material | Grade, temper, max section, raw length | Force & handling |
| Drawing | Holes, slots, lengths, bends, radii, tolerances | Tooling & sequence |
| Production | Mix, output, changeovers, operators | Config & cycle |
| Acceptance | Samples, instruments, FAT | Contract scope |
FAQ
What is a 3-in-1 busbar machine?
A single-frame machine with punch, shear, and bend stations for copper/aluminium busbars.
Can three operators work at once?
On designs with three independent pump groups (typical of LTMC U-3-C), yes—when staffing and safety allow.
Is material feeding automatic?
Only if the quotation includes an automatic feed system. Otherwise loading/positioning stay manual or semi-manual.
How do I pick 303 vs 503 vs 803?
Map hardest width×thickness and hole/bend family to the model table; confirm on OA/FAT.
Talk to LT about a machine for your Australian workshop
For a quotation, FAT samples, tooling lists or sea freight to Australian ports (Sydney, Melbourne, Brisbane, Fremantle or Adelaide), contact LT at [email protected] or +86 13853146766 (WhatsApp), or use the contact page. Public product information is on busbarcnc.com.
Source and revision
- Prepared for: Australian switchboard builders and panel shops, published on busbarcnc.com
- Brand: LT / LTMC · models 303U-3-C · 503U-3-C · 803U-3-C
- Figures: LT / LTMC workshop photos and English schematics, hosted on this site
- Note: Confirm capacities, dies and voltages on the order acknowledgment and FAT samples. Electrical clearances in the finished assembly follow the switchgear design and AS/NZS 61439, not the machine alone.



