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The Allen-Bradley 2090-SR020-36 Series A is a resistive shunt module designed for use with Ultra series servo drives. It dissipates excess regenerative energy during deceleration or dynamic braking events, protecting the drive system and maintaining stable operation in high-inertia applications. Technical Specifications Manufacturer: Allen-Bradley (Rockwell Automation) Part Number: 2090-SR020-36 Series: A Product Type: Shunt Resistor Module (Dynamic Brake) Rated Power Dissipation: 3600 W continuous Peak Power Dissipation: Up to ~12 kW (short duration) Resistance Value: Approx. 20 Ω (typical for this model; verify nameplate) Voltage Rating: For use with 160–680 VDC bus systems Mounting: Panel mount with integrated heatsink Cooling: Natural convection, optional fan-assisted depending on duty cycle Protection: Integrated thermal switch for over-temperature protection Terminal Type: Screw terminals for secure wiring Enclosure: Open-frame design, install inside a control enclosure Operating Temperature: 0 °C to +50 °C (with derating beyond) Dimensions: Approx. 270 x 150 x 90 mm (verify with datasheet) Application: Ultra3000 and compatible servo drives, used in dynamic braking scenarios such as conveyors, lifts, packaging systems
Condition: New
Weight: 32.00
Depth: 12.00
Length: 24.00
Width: 18.00
SKU: 49876 4.R1.2.8