Oriental Motor 4RK25GN-CW2ML Industrial Servo Motor 25W 2.5μF
4RK25GN-CW2ML Description
The Oriental Motor 4RK25GN‑CW2ML is a 25W (1/30 HP) reversible AC induction motor from the World K Series, featuring an integrated electromagnetic brake and a pinion shaft design for direct gearhead mounting. It is engineered for low‑power, precise positioning, and bidirectional motion control in compact industrial and automation equipment. The “CW2ML” designation denotes a lead‑wire connection type with electromagnetic brake functionality, operating on single‑phase 220/230 VAC (50/60 Hz) for global compatibility. This motor is designed to pair with Oriental’s GN‑series right‑angle gearheads, offering flexible torque and speed customization for space‑constrained applications.
4RK25GN-CW2ML Key Features
- Reversible Operation: Bidirectional rotation capability for forward/reverse motion control, ideal for positioning and indexing tasks.
- Integrated Electromagnetic Brake: Built‑in brake provides static holding torque for immediate stop and position lock, enhancing safety and precision.
- Pinion Shaft Design: Direct‑mount pinion shaft for seamless integration with GN‑series gearheads, eliminating coupling components and simplifying assembly.
- Compact & Lightweight: Small frame size (80×80 mm square flange) for space‑saving installation in tight machinery layouts.
- Dual‑Frequency Compatibility: Operates on both 50 Hz and 60 Hz power supplies, supporting global industrial standards.
- Built‑in Thermal Protection: Internal overheating protection prevents motor damage from overload or continuous operation.
- Lead‑Wire Connection: Pre‑wired lead wires for quick and reliable electrical installation.
- Global Certifications: Compliant with UL, CSA, CCC, EN, and CE safety standards, ensuring worldwide usability.
- RoHS Compliance: Environmentally friendly design, free from hazardous substances.
4RK25GN-CW2ML Materials & Applications
Materials
- Motor Housing: High‑strength die‑cast aluminum alloy with corrosion‑resistant finish, ensuring durability and efficient heat dissipation.
- Stator & Rotor: High‑purity copper windings with Class B insulation (max 130°C) and high‑grade silicon steel laminations for reliable performance and thermal stability.
- Electromagnetic Brake: Precision‑machined steel brake components with friction linings for consistent holding torque and long service life.
- Shaft: Hardened steel pinion shaft for high wear resistance and precise gear meshing.
- Lead Wires: Industrial‑grade insulated copper wires with heat‑resistant jacketing for safe power transmission.
4RK25GN-CW2ML Typical Applications
- Automated Conveyors: Low‑power belt/roller conveyors for light‑duty material handling.
- Packaging Machinery: Labeling machines, sealing units, and small packaging lines requiring precise positioning.
- Office & Lab Automation: Document feeders, test equipment, and analytical instruments.
- Medical Devices: Low‑speed, high‑precision actuators for diagnostic and laboratory equipment.
- Textile & Printing: Small winding machines, tension control systems, and label printers.
- Food Processing: Light‑duty mixing, sorting, and packaging equipment in food manufacturing.
- Robotics & Positioning: Small robotic arms, linear actuators, and indexing tables.
4RK25GN-CW2ML Important Parameters
| Parameter |
Specification |
| Part Number |
4RK25GN‑CW2ML |
| Product Series |
Oriental Motor World K Series |
| Motor Type |
Reversible AC Induction Motor (Pinion Shaft) |
| Rated Output Power |
25 W (1/30 HP) |
| Power Supply |
Single‑Phase AC 220/230 V, 50/60 Hz |
| Rated Current |
0.25 A (50 Hz); 0.28 A (60 Hz) |
| Brake Current |
0.05 A (220/230 VAC) |
| Brake Input Power |
7 W |
| Static Holding Torque (Brake) |
0.1 N·m (14.2 oz‑in) |
| Base Speed (No Load) |
1250 RPM (50 Hz); 1500 RPM (60 Hz) |
| Frame Size |
80×80 mm Square Flange |
| Shaft Type |
Pinion Shaft (for GN Gearhead Mounting) |
| Connection Type |
Lead Wire (CW2ML) |
| Insulation Class |
Class B (Max Operating Temp: 130°C) |
| Protection Rating |
Open (IP00) |
| Operating Temperature |
0°C to +40°C (Non‑Condensing) |
| Ambient Humidity |
20% to 80% RH (Non‑Condensing) |
| Weight |
Approx. 1.2 kg |
| Certifications |
UL, CSA, CCC, EN, CE, RoHS Compliant |
| Compatible Gearheads |
Oriental GN‑Series Right‑Angle Gearheads |
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