Generator Carbon Brush National 634 or equivalent. Drawing: 61887
Brush for generators, rectangular form with a bevel on the top surface, offset from the axis of the brush, with two wires on the bevel;
| TECHNICAL DATA SHEET |
| Material – natural graphite; Density – 1.25 ÷ 1.3 g/cm2; Bending force – 10 MPa; Current density – 6 ÷ 14 A/cm²; Permissible linear speed – 90 ÷ 100 m/s; Pressing force – 110 ÷ 180 g/cm2; Specific resistance – 20 ÷ 25 µOhm; Shore/Rockwell hardness – 10; Friction coefficient – 0.2 ÷ 025; Geometric dimensions – 32x32x64 mm; Leash length is at least 210 mm; Wire - Copper stranded wire with left direction of outer layer - with a cross-section of 10 mm2, with insulation on the wire; Open fork stamped tag, hole diameter 6 mm; Type, brush material: National 634 or equivalent. Drawing: 61887 |
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