Copper Bus Bar
Copper Bus Bar is an indispensable conduction material for producing motor winding, high-low electric device, switches and conductive cable for power supply installation.
TMY TMR Copper Bus Bat technical parameter
TMR(flexible Copper bus bar): tensile strength≥206 N/mm2, elongation≥35 %.
TMY(rigid Copper bus bar): hardness≥65 HB..
Resistivity and resistance tempt coefficient.
Type | Resistance at 20 ≤(Ω.mm2/m) | Resistance Tempt coefficient (1/) |
TMR | 0.017241 | 0.00393 |
TMY | 0.01777 | 0.00381 |
Round angle all sides of Copper bus bar: thickness≤6.3 mm,
semidiameter≤1.5mm; thickness≥7.1mm, semidiameter≤2mm.
Straightness (camber)≤4mm/M
Dimensions and allow deviation.
Thickness/ amm | Allow deviationmm | Width | Allow deviation | |
Thickness/ a mm | ||||
16.00≤b≤35.50 | 40.00≤b≤125.00 | |||
2.24-2.80 | ±0.03 | a | 14.00-25.00 | ±0.13 |
3.00-4.75 | ±0.05 | ±0.08 | 26.50-35.50 | ±0.15 |
5.00-12.50 | ±0.07 | ±0.09 | 40.00-100.00 | ±0.30 |
14.00-25.00 | ±0.10 | ±0.11 | 112.00-125.00 | ±0.3%b |
26.50-35.50 | ±0.15 | ±0.15 |
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