Three Phase Busbar (M5 Fork Type) — 3-Pole, 8–16 mm²
• Three phase busbar for MCBs/RCCBs; M5 clamping screws; 17.8 mm pitch.
• Standard lengths 210 / 1000 / 1016 mm；modules 12 / 54 / 57；fork 12×12 mm.
• Reference current 50–80 A；color-coded insulation；IEC 60664 & EN/IEC 60439-1 compliant.
Overview
Three phase busbar (M5 fork-type) for modular devices such as MCBs and RCCBs. It uses a constant 17.8 mm pitch with fork width/length 12 mm and standard lengths 210 mm (12 modules), 1000 mm (54 modules) and 1016 mm (57 modules). Color-coded insulated copper enables quick identification, reduced temperature rise and reliable 3-pole distribution. Compliant with IEC 60664 and EN/IEC 60439-1.
M5 clamping screw compatibility
Cross-sections 8 / 10 / 13 / 16 mm²
Reference current 50–80 A
Key Features
- Fork geometry for fast installation/removal without full disconnection.
- M5 clamping screws ensure robust, low-resistance joints.
- Color-coded insulation simplifies phase identification and reduces wiring errors.
- 17.8 mm pitch aligns with 18 mm modular devices.
- Lengths: 210 / 1000 / 1016 mm；modules 12 / 54 / 57.
- Customizable by the meter or pre-cut to required module counts.
Specifications
Standard data: Pitch 17.8 mm • Fork width 12 mm • Fork length 12 mm • Rated voltage (typ.) 415 V • Compliance: IEC 60664, EN/IEC 60439-1.
| Cross Section (mm²) | Distance / Pitch (mm) | Width of Fork (mm) | Length of Fork (mm) | Modules | Length (mm) | Reference Current |
|---|---|---|---|---|---|---|
| 8 | 17.8 | 12 | 12 | 12 | 210 | 50A |
| 10 | 17.8 | 12 | 12 | 12 | 210 | 63A |
| 13 | 17.8 | 12 | 12 | 12 | 210 | 70A |
| 16 | 17.8 | 12 | 12 | 12 | 210 | 80A |
| 8 | 17.8 | 12 | 12 | 54 | 1000 | 50A |
| 10 | 17.8 | 12 | 12 | 54 | 1000 | 63A |
| 13 | 17.8 | 12 | 12 | 54 | 1000 | 70A |
| 16 | 17.8 | 12 | 12 | 54 | 1000 | 80A |
| 8 | 17.8 | 12 | 12 | 57 | 1016 | 50A |
| 10 | 17.8 | 12 | 12 | 57 | 1016 | 63A |
| 13 | 17.8 | 12 | 12 | 57 | 1016 | 70A |
| 16 | 17.8 | 12 | 12 | 57 | 1016 | 80A |
Notes: Reference current is indicative by cross-section; verify with device torque and ambient conditions. Also referred to as a 3-pole busbar or 3 phase busbar for modular devices.
Dimension
Applications
- Three-phase power distribution and bridging adjacent poles of MCBs/RCCBs.
- Industrial control cabinets and distribution boards.
- Commercial and residential switchboards.
- OEM panel assembly and retrofits.
Why Choose Us
- High-conductivity copper with low contact resistance and reduced temperature rise.
- Safety & compliance: IEC 60664 / EN/IEC 60439-1; color-coded insulation.
- OEM customization: cross-section, length, labeling, packaging options.
- Reliable supply: consistent QC and export-ready documentation.
FAQ
Is this the same as a 3-pole MCB busbar?
Which cross-section should I select?
What standard lengths are available?
Get a Quote
Share your required length, module count, cross-section, quantity and delivery terms. Samples available for qualification.
