High Power Servo Drives Resistor with aluminum
Rated Power: 1.2K~6KW / Custom
Resistance Tolerance: ±1% / ±5%
Housing: Anodized Aluminum Shell
Mounting: Cooling plate or screw mount
Custom Design: Supported
Description
Product Overview
Our high power servo drives resistor with aluminum housing is designed for industrial motor control applications where precise energy dissipation, high current handling, and thermal stability are essential. These resistors provide stable performance in servo drive circuits, ensuring long-term reliability and efficiency.Typical applications include industrial servo drives, CNC machines, robotic automation, and braking circuits requiring reliable high power resistors.
Features
High power handling for industrial servo drives
Aluminum housing for excellent heat dissipation
Precision resistance for accurate energy control
Low temperature drift for stable performance
RoHS compliant materials for global safety (EU RoHS Directive)

Dimension
VFD Power vs. Braking Resistor Power Selection Table (General Reference)
| VFD Power (kW) | Recommended Resistor Power (W) | Recommended Resistance (Ω) | Notes |
|---|---|---|---|
| 0.75 kW | 100–200 W | 100–150 Ω | Light-duty, fans |
| 1.5 kW | 200–400 W | 75–100 Ω | – |
| 2.2 kW | 300–600 W | 60–80 Ω | Standard braking |
| 3.7 kW | 600–800 W | 40–60 Ω | – |
| 5.5 kW | 800–1000 W | 30–50 Ω | Common industrial use |
| 7.5 kW | 1.0–1.5 kW | 20–40 Ω | – |
| 11 kW | 1.5–2.0 kW | 15–25 Ω | – |
| 15 kW | 2.0–3.0 kW | 10–20 Ω | – |
| 18.5 kW | 3.0–4.0 kW | 8–15 Ω | Heavy-duty applications |
| 22–30 kW | 4.0–6.0 kW | 6–10 Ω | Large equipment |
| 37–45 kW | 6.0–8.0 kW | 4–8 Ω | Cranes, hoists |
| ≥55 kW | ≥10 kW | 2–5 Ω | May use multiple resistors in parallel |
Typical Applications of Inrush Current Resistor
Industrial Automation Equipment
Variable Frequency Drive (VFD) Braking Systems
Elevators and Hoisting Machinery
CNC Machine Tools
HVAC Control Systems
- Learn more about how inrush current resistors work in power applications.
- Looking for smaller power models? Check out our Metal clad Chassis Mount Dynamic Braking Resistor










