Key Specifications:

• Part Number: 100-427
• Brush Material: Electro-graphite carbon with copper core
• Dimensions per Brush: 6.3 × 16 × 26 mm
• Spring Type: Copper coiled compression spring
• Quantity per Set: 2 pieces (left + right)
• Rated Current: Up to 10 A
• Operating Speed: Up to 30,000 RPM
• Weight: 12 g per brush

Material Composition:

• Brush Body: Sintered electro-graphite (density 1.7 g/cm³)
• Spring: Phosphor bronze wire
• Connector: Tin-plated copper lug

Functional Features:

• Provides consistent electrical contact to commutator
• Low sparking design for reduced electromagnetic interference
• Self-adjusting spring tension maintains contact pressure throughout wear life

Applicable Models (Confirmed Compatibility):

• AEG Vampyr series vacuums
• AEG Ergorapido handheld units
• AEG Multi-purpose power tool motors

Installation Requirements:

• Replace brushes when worn to 5 mm remaining length
• Ensure commutator surface is clean and smooth before installation
• Verify spring tension before closing motor housing

Usage Notes:

• Do not operate motor with brushes worn below 3 mm
• Replace as a matched pair — never use a single new brush with an old one
• Store spares in dry environment to prevent moisture absorption