Oriental Motor BLM5120-AS Product Overview
The Oriental Motor BLM5120-AS is a high-capacity, high-efficiency 120 W (1/6 HP) brushless DC motor explicitly designed for precision speed control and dense torque configurations in industrial automation. Engineered as a high-performance component motor within the specialized BLM product series, it requires a matched electronic driver architecture (such as the BMU or BLE2 series) to achieve linear velocity adjustments, high speed stability, and energy-efficient automation execution.
Key Technical Specifications
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Output Power: 120 W (1/6 HP)
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Motor Type: Brushless DC Motor (BLDC)
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Frame Size: 90 mm (3.54 in.) square flange
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Rated Speed Range: 80 to 4000 r/min (system and driver dependent)
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Shaft Configuration: Round Shaft / Pinion Shaft (Variant Dependent)
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Degree of Protection: IP40 (Standard Lead Wire Type)
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Time Rating: Continuous Duty
NexBL High-Power Magnetic Architecture
Built upon Oriental Motor’s core NexBL magnetic design framework, the BLM5120-AS features a highly optimized stator assembly that reduces magnetic sheet core thickness to just 11.2 mm. This configuration achieves an approximate 26% reduction in internal electrical power losses and up to a 63% reduction in overall motor mass compared to traditional industrial three-phase AC induction motors of equivalent output power. This thermal management footprint ensures stable performance across tight mechanical spaces.
System Scalability and Mechanical Ruggedness
The mechanical interface of the BLM5120-AS provides constant torque feedback across its extensive 50:1 speed ratio when configured with industrial driver modules. The system features a strong internal layout utilizing built-in hall-effect sensors to communicate exact rotor positions back to the power driver. Built for demanding production environments, its housing delivers an insulation resistance of 100 MΩ minimum (at 500 VDC) and handles standard operational limits within ambient temperatures of 0 to +40°C.
