Siemens 1LA01444BR21 Three-Phase Induction AC Motor With Brake

Siemens 1LA01444BR21 is a 1 HP three‑phase induction AC motor with an integrated brake, housed in a compact 143TZ frame and weighing 6 lb. It delivers 1720 RPM on a 460V three‑phase supply, aligning with standard industrial power distributions. The brake is built into the motor assembly, providing controlled stopping and holding without the need for a separate brake module, which can streamline installation and wiring. The 143TZ frame denotes a widely used size with compatible mounting patterns, enhancing interchangeability with a range of Siemens accessories and compatible drives. Designed for general‑purpose use in space‑constrained drives, this Siemens motor supports reliable torque in automation equipment, conveyors, and other OEM applications where braking is required at shutdown or during start/stop cycles. The 1LA01444BR21 designation uniquely identifies this brake‑equipped motor within Siemens’ 1LA family, ensuring correct replacement and compatibility with Siemens mounting patterns and electrical interfaces.