High Power Brake Resistor | 300W to 6KW Aluminum Case
Description
Overview
The RXLG High Power Brake Resistor is designed for automation systems to efficiently dissipate energy during motor braking in variable frequency drives. This high power brake resistor ensures stable operation and protects industrial equipment. Suitable for CNC machines, elevators, and HVAC, the RXLG resistor offers excellent heat dissipation and high voltage resistance, improving system reliability and reducing downtime
Key Features of RXLG Braking Resistor
🔥 Heat Dissipation – Aluminum alloy shell ensures efficient airflow and cooling.
⚡ High Voltage Tolerance – Safe operation with insulation up to 2.5kV.
🛠 Customizable – Power, resistance, and terminals available on request.
🌡 Wide Temperature Range – Works reliably from -55°C to +155°C.
🧱 Compact Design – Space-saving and easy to install in control panels.
Specification
| Parameter | Value |
|---|---|
| Power Range | 100W – 6KW (customizable) |
| Resistance Range | 10Ω – 300Ω |
| Tolerance | ±5% |
| Insulation Voltage | Up to 2.5kV |
| Housing Material | Aluminum alloy |
| Operating Temp | -55°C ~ +155°C |
| Mounting | Panel mount / Bracket |
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 |
（RXLG Braking Resistor Wiring Diagram for VFD Systems）
Typical Applications
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Industrial Automation Equipment
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Variable Frequency Drive (VFD) Braking Systems
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Elevators and Hoisting Machinery
-
CNC Machine Tools
-
HVAC Control Systems
For more insights into motor braking systems, visit IEEE.org.
Looking for smaller power models? Check out our Metal clad Chassis Mount Dynamic Braking Resistor
