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Carbon Brushes

GE 9651659 carbon brush

Part No. 9651659

GE 9651659 graphite carbon brush (cross ref REP685, Grade H), single wafer OEM replacement brush for GE heavy-duty DC motors and generators. Delivers reliable commutation, low sparking, uniform protective patina and minimal commutator wear under continuous heavy industrial loads. Precision machined to GE OEM dimensions, bulk stock available for global industrial maintenance.

Material	Graphite / Electrographitic, Grade H (Single wafer)
Dimensions	Imperial:1-1/4" (T) × 3/4" (W) × 2-3/4" (L), Copper shunt lead:5-1/2" Metric:31.75mm × 19.05mm × 69.
Application	OEM replacement carbon brush for General Electric heavy-duty DC motors and generators. Cross reference Repco REP685, Terminal Style QD. Widely deployed in steel rolling mill drives, mining hoist motors, power plant generators and slip ring assemblies for
Voltage	DC up to 750V
Current Density	3 – 9 A/cm²
Speed	Max peripheral speed up to 32 m/s
Hardness	Shore 40 – 50
Grade	Grade H Graphite / Electrographitic Grade
Connection	Shunt wire bonded connection
Lead Type	Flexible stranded copper shunt lead, QD terminal style
Spring	External separate spring assembly (no built-in spring)

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Technical Specifications

Product Model	GE 9651659
Cross Reference Part	REP685
Material	Graphite / Electrographitic, Grade H, single wafer
Imperial Dimensions	1-1/4" × 3/4" × 2-3/4", Copper Shunt Lead:5-1/2"
Metric Dimensions	31.75mm × 19.05mm × 69.85mm, Shunt Lead:139.7mm
Terminal Style	QD
Application	GE heavy-duty DC motors, generators, slip ring assemblies, steel mills, mining & power plants
Working Voltage	DC up to 750V
Current Density	3 – 9 A/cm²
Max Peripheral Speed	32 m/s
Hardness	Shore 40 – 50
Brush Grade	Grade H Graphite / Electrographitic Grade
Connection Type	Shunt wire bonded connection
Lead Type	Flexible stranded copper shunt lead, QD terminal
Spring	External separate spring assembly, no integrated spring
Key Features	Single wafer design, stable commutation, low sparking, heavy load resistant, long service life
Quality Standard	Matches GE OEM specification

Description

The GE 9651659 Carbon Brush is a heavy-duty graphite / electrographitic carbon brush, OEM spare part for General Electric DC motors and generators, cross-referenced as Repco REP685 with QD terminal style. It adopts Grade H carbon material with single wafer construction, engineered for continuous heavy-cycle industrial operation. Made of premium impregnated graphite compound, it maintains stable sliding contact and consistent current transfer under variable heavy loads. It forms a uniform protective patina on commutator and slip ring surfaces, reducing sparking, friction and surface abrasion. The bonded flexible stranded copper shunt with QD terminal provides strong mechanical bonding and reliable high-current conduction. Commonly applied in steel rolling mill drives, mining hoist machinery and large power station generator systems. Precision machined to original GE OEM specifications for direct drop-in replacement. Each batch undergoes strict quality inspection for resistivity, hardness and wear performance. Bulk supply and worldwide shipping available for industrial maintenance contractors and heavy industry operators.