Our tin plated C11000 high conductivity copper busbar combines the superior electrical performance of 100% IACS copper with a uniform electro-tin plating that delivers exceptional corrosion protection. Designed for power distribution cabinets, control panels, and electrical enclosures where humidity, condensation, or mildly corrosive atmospheres are a concern, this busbar ensures reliable long-term performance without conductivity degradation.
| Parameter | Specification |
|---|---|
| Material Grade | C11000 (Electrolytic Tough Pitch Copper, Cu-ETP) |
| Copper Content | ≥99.90% |
| Conductivity | ≥100% IACS (verified before plating) |
| Cross Section | 6mm * 50mm (other sizes available on request) |
| Surface Treatment | Electro-tin plating, 3-8μm thickness |
| Plating Standard | ASTM B545 / MIL-T-10727 |
| Contact Resistance | ≤50 μΩ (as-plated, per MIL-T-10727) |
| Corrosion Resistance | 96+ hours salt spray (ISO 9227 NSS) |
| Joint Temperature Rating | 105°C per UL 486A-486B |
| Tensile Strength | ≥250 MPa (half-hard temper) |
| Standard Length | 1m, 2m, 3m, 4m (custom lengths with CNC fabrication) |
| Certification | ISO 9001:2015, RoHS Directive 2011/65/EU, REACH (EC) 1907/2006 |
Bare copper busbars naturally oxidize over time, forming a resistive surface layer that degrades contact quality at bolted connections. Tin plating provides three essential benefits: it prevents oxidation at the current-carrying interface, it maintains consistently low contact resistance throughout the product's service life, and it enables visual inspection of connection quality during commissioning and maintenance.
For installations in tropical climates, coastal regions, or industrial environments with airborne contaminants, the corrosion protection offered by tin plating is not a luxury but a reliability requirement. Our plating process ensures full coverage on all surfaces, including edges and drilled holes, delivering dependable protection at every connection point.