The Allen-Bradley 1326AS-B420G-21-K4 AC servo motor, part of the 1326AS series, features a robust design with rare-earth magnets and a frame 4 size, packed into a compact 100 mm diameter. This high-performance motor delivers a rated torque of 28 lb-in and operates at 1.2 kilowatts, with a voltage range of 380 to 460 V AC enabling nominal speeds of 4340 to 5250 RPM. Integrated with a resolver providing 4096 pulses per revolution, the motor ensures precise control and feedback when paired with Allen-Bradley AM series drives, reaching peak stall torque with the AM07 drive. Housed in an IP 65 aluminum enclosure, it can operate in environments up to 40 °C, with built-in safeguard mechanisms to alert and automatically protect against overheating.
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Technical specifications for 1326AS-B420G-21-K4
| Manufacturer | Rockwell Automation |
|---|---|
| Brand | Allen-Bradley |
| Part Number/Catalog No. | 1326AS-B420G-21-K4 |
| Product Type | Servo Motor |
| Voltage | 460V AC |
| Frame Diameter | 100 mm |
| Rated Motor Speed | 5250 rpm |
| Flange and Shaft Series | IEC Metric Flange with Keyway |
| Motor Rated Torque | 3.2 Nm |
| Motor Rated Output | 1.2 kW |
| System Continuous Torque | 3.2 Nm |
| System Peak Stall Torque | 9.6 Nm |
| Standard Option | 10.2 Nm Holding Brake w/ 24V DC coil. |
| Product Lifecycle Status* | Discontinued/Obsolete |
* The Allen Bradley 1326AS-B420G-21-K4 has been discontinued by the manufacturer, however we specialize in obsolete parts and can likely still supply surplus and/or refurbished replacement 1326AS-B420G-21-K4 units instead of migration.