
Neutral Brass Block Weld Busbar
Features
- Resistance 200μΩ±5%, rated power 2.9W
- 3.0mm EBW plate, brass block welded, serve as busbar
- Suitable for 120A primary current, 4 lead wires
- Blind holes 2-Φ9.5mm, 4-M6, connect distance 68.2mm
- Total length 64.1mm, width 80.2mm, easily installed in the meter case
Specifications
Part Number | ST120-20A |
Description | Neutral Brass Block Weld Busbar |
Material | T2 Copper, 6J13 Manganin, H59 Brass |
Finish | Degreasing and Anti-tarnishing Treatment |
Welding Method | EBW (Electron Beam Welding), Spot Welding |
Resistance Value | 200 μΩ |
Resistance Tolerance | ± 5 % |
Temperature Coefficient | ± 40 ppm/K |
Current Rating | 120 A |
Rated Power | 2.9 W (70 °C) |
Power Loss | < 50 mW |
Operating Temperature: | -40 ~ +70 °C |
Wire Gauge | Dia 0.15 mm |
Wire Length | 70 mm |
Thickness | 3.0 mm |
Weight | / |
Fix Method | 2-Φ9.5 Blind Holes, 4-M6 Screwing |
Dimensions

Dimensions (mm) | L | S | W | T | D | M | H |
ST120-20A | 80.2 | 68.2 | 64.1 | 3.0 | 2-Φ9.5 | 4-M6 | 14.7 |
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Neutral Brass Block Weld Busbar