English
The Aluminum Housed Braking Resistor from RST Electric represents an optimal balance of power density, thermal efficiency, and mechanical robustness. Unlike open-wound or ceramic tube resistors, this Power Resistor features a precision-wound resistance element encapsulated within an extruded aluminum profile. The aluminum housing serves multiple critical functions: it acts as an efficient heat sink drawing heat away from the internal element, provides mechanical protection against impact and vibration, and offers multiple mounting surfaces for secure installation on machine frames or chassis. This design results in a Dynamic Braking Resistor capable of dissipating significant power in a compact footprint, making it ideal for space-constrained industrial applications.
The internal resistance element is wound from high-stability alloy wire on a fiberglass or ceramic core, ensuring consistent performance under repeated thermal cycling. The aluminum housing is finished with a corrosion-resistant coating suitable for most industrial environments, with optional IP54 or higher protection for harsher conditions. With power ratings spanning from 60W for small servo drives to 2000W for large industrial VFDs, this Aluminum Housed Braking Resistor serves as the preferred choice for OEMs and system integrators requiring reliable energy absorption in motor braking, inverter protection, and load testing applications.
As a trusted Aluminum Housed Resistor manufacturer in China, RST Electric combines over 10 years of power resistor engineering expertise with precision manufacturing to deliver components that meet the demanding requirements of modern industrial automation.
|
Model |
RXLG Series |
|
Rated Power |
60W – 2000W |
|
Resistance Range |
0.1Ω – 10kΩ |
|
Tolerance |
±1%, ±5% |
|
Temperature Coefficient (TCR) |
±50 ppm/°C to ±350 ppm/°C |
|
Working Temperature |
-55°C to +200°C |
|
Dielectric Strength |
AC 3kV, 50Hz for 5 seconds |
|
Insulation Resistance |
≥ 100MΩ @ 500V DC |
|
Housing Material |
Extruded aluminum alloy |
|
Internal Element |
Wirewound on ceramic core |
|
Thermal Resistance |
Optimized for chassis mounting |
|
Mounting |
Horizontal or vertical surface mount |
|
Termination |
Screw terminals / Flying leads / Custom |
|
Protection Rating |
Standard IP20 (IP54/IP65 optional) |
|
Compliance |
RoHS, CE |
1.Efficient Integral Heatsink – Extruded aluminum housing maximizes surface area for heat dissipation, enabling high power density without external cooling .
2.Robust Mechanical Design – Solid aluminum enclosure protects internal elements from vibration, shock, and mechanical impact in industrial environments .
3.Easy Mounting & Heat Transfer – Flat mounting surface with pre-drilled holes allows secure attachment to machine frames, ensuring optimal thermal transfer .
4.Environmental Protection – Available with IP54 or higher ratings for resistance to dust, moisture, and industrial contaminants .
5.Wide Power & Resistance Range – From 60W to 2000W and 0.1Ω to 10kΩ, covering diverse braking and load applications .
6.Low Thermal Resistance – Direct thermal path from element to housing minimizes hot spots and extends service life .
7.Multiple Termination Options – Available with screw terminals, flying leads, or custom connections for easy integration .
8.High Dielectric Strength – Tested to AC 3kV ensures safe operation in high-voltage industrial circuits .
9.Space-Saving Design – Compact footprint compared to open-wound or tubular resistors of equivalent power rating .
10.Custom Configurations – Special resistance values, tolerances, and mechanical modifications available for OEM requirements .
|
Application |
Application details |
Description |
|
Variable Frequency Drives (VFDs) |
Dynamic Braking |
Absorbs regenerative energy from motors during deceleration in conveyor systems, fans, and pumps . |
|
Inverter Protection |
Prevents overvoltage trips by dissipating excess energy in DC bus circuits . |
|
|
Power Supplies & UPS |
Load Banks |
Provides resistive loads for testing and conditioning of uninterruptible power supplies . |
|
Bleeder Resistors |
Safely discharges filter capacitors after power-down in high-voltage supplies . |
|
|
Motor Control & Automation |
Servo Motor Braking |
Dissipates energy from high-speed positioning systems in CNC machines and robotics . |
|
Soft-start Circuits |
Limits inrush current during motor startup in industrial machinery . |
|
|
Welding Equipment |
Current Limiting |
Controls current in resistance welding machines and spot welders . |
|
Snubber Circuits |
Absorbs transients in welding power supplies . |
|
|
Cranes & Elevators |
Hoist Braking |
Handles regenerative energy from lowering loads in overhead cranes and hoists . |
|
Elevator Deceleration |
Dissipates energy during controlled stops in passenger and freight elevators . |
|
|
Renewable Energy |
Wind Turbine Pitch Control |
Braking resistors for pitch adjustment systems in wind turbines . |
|
Solar Inverter Dumping |
Load resistors for excess energy dissipation in off-grid solar systems . |
|
|
Railway & Transportation |
Auxiliary Drive Braking |
Dynamic braking for auxiliary motors in rail vehicles and trams . |
|
HVAC Systems |
Braking for large fans in transit vehicle climate control . |
|
Rated power |
L1±1.5(mm) |
L2±1(mm) |
W±1(mm) |
H±1(mm) |
Weight(KG) |
|
60W |
115 |
98 |
40 |
20 |
0.049 |
|
80W |
140 |
123 |
40 |
20 |
0.061 |
|
100W |
165 |
148 |
40 |
20 |
0.072 |
|
120W |
190 |
173 |
40 |
20 |
0.092 |
|
150W |
215 |
198 |
40 |
20 |
0.46 |
|
200W |
165 |
147 |
60 |
30 |
0.47 |
|
300W |
215 |
197 |
60 |
30 |
0.66 |
|
400W |
265 |
247 |
60 |
30 |
0.83 |
|
500W |
335 |
317 |
60 |
30 |
1.05 |
|
800W |
400 |
382 |
59 |
61 |
2.85 |
|
1000W |
400 |
384 |
50 |
107 |
3.22 |
|
1200W |
450 |
434 |
50 |
107 |
3.72 |
|
1500W |
485 |
469 |
50 |
107 |
3.9 |
|
2000W |
550 |
534 |
50 |
107 |
4.26 |
RST Electric guarantees the safe delivery of each Aluminum Housed Braking Resistor:
● Individual packaging: Each resistor is wrapped in protective film and placed in a separate box to prevent the aluminum casing from suffering surface damage.
● Batch packaging: For large orders, the resistors are firmly packed in corrugated boxes and equipped with foam partitions to prevent contact during transportation.
● Terminal protection: The threaded terminals or jumper wires are protected by foam sleeves or covers.
● Documentation: Each batch of goods comes with a packing list and inspection certificate.
● Shipping method selection: Small quantities of goods are transported by express (DHL/FedEx/UPS), medium quantities by air freight, and large orders by sea transportation.
All equipment undergoes 100% electrical testing and visual inspection before packaging to ensure it meets the specified resistance values and appearance standards. Please rest assured to make your purchase.
RST Electric is a fully licensed domestic manufacturer in China, specializing in the research and production of Aluminum Housed Braking Resistors for over 10 years. We have been deeply involved in the field of aluminum shell resistors and are the professional manufacturer of aluminum shell braking resistors in the industry. We strictly control the entire process from aluminum profile procurement, resistor element winding, finished product assembly and testing. This ensures the stability of the quality of each product from the source and eliminates the quality differences caused by outsourcing at each stage. At the same time, we adhere to direct factory supply, eliminating all intermediate links, and the pricing is transparent without any hidden charges. This enables customers to purchase high-quality aluminum shell braking resistors that meet industrial braking standards at a more favorable cost.
RST Electric has an ISO 9001-certified production facility equipped with an exclusive assembly line for aluminum shell resistors. The production process is standardized and strictly controlled. Before each aluminum shell braking resistor leaves the factory, 100% electrical testing is completed, covering core indicators such as resistance value, dielectric strength, and insulation performance. Simultaneously, thermal imaging verification is conducted to ensure uniform heat dissipation and no hotspots, guaranteeing stable operation in industrial braking scenarios. Our engineering team is highly experienced and focuses on dynamic braking applications of industrial drives. They can precisely match the requirements of various industrial braking scenarios.
With stable product quality and professional services, RST Electric has become a trusted supplier for global inverter manufacturers, machinery manufacturers, and industrial automation enterprises. Our products are exported to 40+ countries, covering major industrial regions such as Germany, the United States, Italy, Brazil, and South Korea. We have accumulated rich experience in motor control, power quality, and industrial braking applications, and can accurately understand the core needs of customers from different industries, providing more suitable aluminum-shell braking resistor solutions.
RST Electric offers comprehensive customized services. The power range is from 60W to 2000W, and it can be upgraded as needed. The resistance value ranges from 0.1Ω to 10kΩ, and special customization is supported. The tolerance, temperature coefficient, protection level, wiring and installation methods can all be flexibly adjusted. The delivery time for the standard model is 10-20 working days, while for the customized model it is 20-30 working days. Complete technical documents are provided; a 12-month warranty is offered, including remote fault diagnosis, spare parts delivery, and integration support for frequency converters and UPS systems. The entire process ensures the protection of customers.
Address
No. 13, North Shore Road, Huangjiang Town, Dongguan City, Guangdong Province, China
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