Allen‑Bradley 1326AS‑B440G‑21‑K4/A AC Servo Motor

Technical Specifications

Model:1326AS‑B440G‑21‑K4/A

Brand:Rockwell Allen‑Bradley

Product Type:Brushless AC synchronous servo motor

Rated voltage:460V AC 3‑phase

Continuous stall torque:6.4Nm

Peak stall torque:10.5Nm

Rated speed:5250RPM

Rated power:2.0kW

Continuous current:5.4A

Peak stall current:16.2A

Feedback:Resolver

Brake:24V DC holding brake

Protection class:IP65

Frame size:100mm

Thermal protection:Built‑in thermal switch

Hardware revision:Revision A

Special feature:‑G washdown resistant housing

Compatible drives:1394,Kinetix,Ultra3000 series servo drives

Enclosure:TENV totally enclosed non‑ventilated housing

Operating Temperature:0℃ ~ +40℃

Storage Temperature:-40℃ ~ +70℃

Mounting:CEI/IEC 72‑1 metric flange mounting

Feature:Neodymium permanent magnet rotor for fast acceleration response;three‑phase sinusoidal winding for smooth high‑speed operation;resolver closed‑loop feedback;24V DC holding brake for static load holding;‑G corrosion‑resistant washdown housing;Revision A hardware iteration;built‑in over‑temperature protection;robust sealed construction for harsh industrial environment.

System Compatibility:CNC machine tools,automated assembly lines,material handling,wash‑down production equipment,legacy motion control system retrofit and spare replacement.

Remark:Legacy EOL spare component;discontinued original production;K4 option includes 24V holding brake;‑G for washdown resistant housing;A is hardware revision version;confirm mechanical and electrical parameters before replacement.

Product Details

1326AS‑B440G‑21‑K4/A belongs to Rockwell Allen‑Bradley 1326AS high‑performance AC servo motor series. Three‑phase brushless synchronous servo motor equipped with resolver feedback and 24V DC holding brake,delivers 6.4Nm continuous stall torque under 460V power supply,running at rated speed 5250RPM.‑G variant provides corrosion‑resistant washdown housing,Hardware Revision A is original hardware iteration. IP65 sealed TENV housing adapts to harsh workshop and wash‑down environment. Built‑in thermal switch provides winding overheat protection. Mainly used for legacy automation equipment maintenance and spare‑part replacement,matched with 1394,Kinetix,Ultra3000 series servo drives.