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3.01€

Main specifications

Material: EG4

Сonstruction by ГОСТ Р 53617-2009: К4-2

Contact wire length by ГОСТ 12232-89, no less, mm.: 120

Cover type according to ГОСТ Р 53617-2009: No

Qty:

Electrographitic brush EG4 8x20x32 K4-2

Main characteristics

Material EG4

Сonstruction by ГОСТ Р 53617-2009 К4-2

Contact wire length by ГОСТ 12232-89, no less, mm. 120

Cover type according to ГОСТ Р 53617-2009 No

Additional characteristics

Rockwell hardness, 10⁷ Nm² 2-6

Specific electric resistance, 10¯⁶ Ωm 6.0-16.0

Current density, 10⁴ A/m² 12

Circum velocity, m/s 60

Brush pressure on collector, 10³ N/m² 20

Transitional voltage drop on a pair of brushes, V 0.8-2.0

Max. friction factor, μ 0.25

Brand ZTV

Manufacturer country Bulgaria

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