This Oriental Motor assembly combines a 2GB30L Right-Angle Gearhead with a 2RJ4GB-A Reversible AC Motor, creating a robust and versatile AC gearmotor solution for industrial automation. The “WR9 1S04901 #2” is likely a specific assembly or order code for this motor-gearhead combination.
Key Features & Benefits:
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Integrated Design: Pre-assembled and tested unit ensures optimal performance, ease of installation, and reliability.
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Right-Angle Gearing (2GB30L): The gearhead features a compact 90-degree output shaft orientation, saving space in machinery where a parallel motor arrangement is impractical.
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High Torque, Low Speed: The 30:1 gear reduction ratio multiplies the motor’s output torque significantly while reducing its speed, making it perfect for applications requiring strong, controlled force.
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Reversible Operation (2RJ4GB-A): The capacitor-start, reversible AC motor can instantly change rotation direction (CW/CCW) with a simple control circuit, ideal for indexing, reciprocating motion, and positioning tasks.
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Durable & Reliable: Features a cast iron gearhead housing and hardened steel gears for long service life and resistance to shock loads in industrial environments.
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Electromagnetic Brake Option: The “B” in 2RJ4GB-A indicates this reversible motor is equipped with a fail-safe electromagnetic brake. This brake holds the motor shaft in position when power is cut, preventing loads from dropping or moving, essential for vertical axes or safety-critical holds.
Typical Applications:
This gearmotor is designed for a wide range of automated equipment, including:
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Packaging Machinery (lifters, gates, conveyors)
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Medical & Laboratory Equipment
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Material Handling Systems
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Door & Gate Operators
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Indexing Tables
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Food Processing Machines
Technical Specifications (General):
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Motor Type: 2RJ Series – Reversible AC Motor with Brake
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Gearhead Type: 2GB Series – Right-Angle, Hypoid Gear
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Gear Ratio: 30:1 (as denoted by 30L in 2GB30L)
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Input Power: Typically 100/115VAC, 50/60Hz (single-phase) – Verify with exact nameplate.
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Output Speed: Approx. 50 RPM at 60Hz (based on 1500/1800 RPM motor speed ÷ 30)
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Output Torque: Rated torque in the range of 10-20 Nm (details depend on exact model configuration).
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Mounting: Standard IEC frame (likely 63mm or 71mm) with foot mount.
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Shaft: Keyed output shaft (standard for gearheads).
Why Choose This Oriental Motor Gearmotor?
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Proven Quality: Oriental Motor is a global leader in precision motor technology.
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Space-Saving Design: The right-angle configuration optimizes machine layout.
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Safety & Control: The integrated electromagnetic brake provides secure holding and positioning.
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Immediate Reversal: Enables quick and precise bidirectional movement cycles.
