Aluminum Shell Resistor: Applications, Specifications and Sourcing Guide

Aluminum Shell Resistor, also known as Aluminum Housed Resistor or Metal Clad Resistor, is a high-power resistor designed for applications requiring efficient heat dissipation and reliable performance.

With an aluminum housing, this type of resistor can effectively transfer heat while providing good mechanical protection. It is widely used in VFDs, motor control systems, servo drives, inverters, power supplies and renewable energy equipment.

Key Specifications

When selecting an Aluminum Shell Resistor, B2B buyers should consider:

Resistance: Ω
Rated Power: W or kW
Tolerance: ±1%, ±2%, ±5%, etc.
Operating Temperature
Cooling Method: Natural or forced air cooling
Mounting Type: Chassis or heatsink mounting
Dimensions and Terminal Configuration

For braking applications, buyers should also provide the peak power, braking time and duty cycle to ensure the resistor is correctly selected.

Why Choose Aluminum Shell Resistors?

Aluminum housed resistors offer several advantages:

Excellent heat dissipation
Compact and durable construction
Easy chassis mounting
Suitable for high-power applications
Available for OEM and customized designs

Applications

Aluminum Shell Resistors are commonly used in:

VFD and dynamic braking systems
Servo motor control
Industrial automation
Inverters and power supplies
Solar and renewable energy equipment
Load testing and energy discharge systems