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

high power brake resistor

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

ParameterValue
Power Range100W – 6KW (customizable)
Resistance Range10Ω – 300Ω
Tolerance±5%
Insulation VoltageUp to 2.5kV
Housing MaterialAluminum alloy
Operating Temp-55°C ~ +155°C
MountingPanel mount / Bracket

 

Dimension

braking resistor

VFD Power vs. Braking Resistor Power Selection Table (General Reference)

VFD Power (kW)Recommended Resistor Power (W)Recommended Resistance (Ω)Notes
0.75 kW100–200 W100–150 ΩLight-duty, fans
1.5 kW200–400 W75–100 Ω
2.2 kW300–600 W60–80 ΩStandard braking
3.7 kW600–800 W40–60 Ω
5.5 kW800–1000 W30–50 ΩCommon industrial use
7.5 kW1.0–1.5 kW20–40 Ω
11 kW1.5–2.0 kW15–25 Ω
15 kW2.0–3.0 kW10–20 Ω
18.5 kW3.0–4.0 kW8–15 ΩHeavy-duty applications
22–30 kW4.0–6.0 kW6–10 ΩLarge equipment
37–45 kW6.0–8.0 kW4–8 ΩCranes, hoists
≥55 kW≥10 kW2–5 ΩMay use multiple resistors in parallel

 (RXLG Braking Resistor Wiring Diagram for VFD Systems)

Wiring Diagram for VFD Systems

Typical Applications

  • Industrial Automation Equipment

  • Variable Frequency Drive (VFD) Braking Systems

  • 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