Marine Carbon Brushes Supplier - Electrical Systems

Marine carbon brushes are essential components in electrical systems of ships, ensuring efficient current transfer in motors and generators. They are designed to withstand harsh marine environments, including moisture and salt exposure. These brushes provide reliable performance, reducing wear and maintenance needs in marine electrical setups.

Size: 10 mm to 150 mm (length), 5 mm to 50 mm (width)

Grade: Carbon-graphite, electrographite, metal-graphite

Viscosity: N/A (solid material)

Buoyancy: Negligible (designed for electrical conductivity, not buoyancy)

Material: Carbon, graphite, copper, silver, or resin binders

Electrical Conductivity: 500–50,000 S/m (varies by grade)

Current Density: 5–25 A/cm²

Operating Temperature: -40°C to +200°C

Hardness: 20–120 Shore (depends on composition)

Voltage Drop: 0.5–3.0 V (per brush)

Contact Pressure: 15–30 kPa

Resistance to Saltwater: High (marine-grade coatings)

Wear Rate: 0.1–1.0 mm per 1000 hours (varies by application)