Overview
The Helwig 9-84 carbon brush Grade 5410 is a replacement brush for electric motors requiring reliable current commutation and long service life. Helwig 9-84 brushes are designed to fit standard motor assemblies and deliver consistent electrical performance across variable load conditions. Grade 5410 is a carbon graphite composition engineered for balanced voltage drop and friction characteristics, making it suitable for general-purpose motor applications including fractional HP through mid-sized industrial motors.
Key Features
- Size designation 9-84 represents brush dimensions for standard motor commutators
- Grade 5410 carbon graphite composition optimized for voltage drop and film formation
- Designed for both DC and AC motor applications
- Compatible with standard brush holders and spring assemblies
- Maintains proper electrical contact for extended commutator life
Technical Specifications
| Brush Grade | 5410 (Carbon Graphite) |
| Size Designation | 9-84 (Thickness x Width x Length) |
| Thickness | 9/16 inch |
| Width | 1 inch |
| Length | 7/8 inch |
| Material | Carbon Graphite |
| Condition | New – No Box |
| Manufacturer | Helwig Carbon Products, Inc. |
| Standard Terminal | Copper or as specified |
Typical Applications
The Helwig 9-84 Grade 5410 brush is commonly used in:
- General-purpose AC and DC motors
- Small to mid-size industrial electric motors
- Lift trucks and material handling equipment
- Machine tool motors
- HVAC and refrigeration compressor motors
- Replacement maintenance for OEM commutator systems
Compatibility & Replacements
Compatible With
- Standard motor brush holders with 9-84 pocket dimensions
- Constant force spring assemblies
- DC and AC commutator motors up to standard industrial voltage ratings
- Motors originally equipped with Grade 5410 brushes
Replaces / Drop-In Replacement For
The Helwig 9-84 Grade 5410 is a direct replacement for motors originally specified with this brush size and grade. Verify brush pocket dimensions and terminal configuration with your motor documentation or contact the motor manufacturer to confirm compatibility. For custom brush applications or non-standard configurations, consult Helwig Carbon technical support at 800-962-4851.
Works With
- Brush holder assemblies rated for 9-84 pocket sizing
- Standard copper or brass commutators
- Spring-loaded brush assemblies (standard or constant-force)
- DC and AC motor controllers
