The K Series Reducers are precision-engineered coaxial solid-shaft gear reducers designed to pair seamlessly with DC brushless motors or permanent-magnet synchronous motors. Featuring compact construction, high torque density, stable operation, and superior efficiency, the K Series provides reliable performance for both commercial and industrial automation applications.

With optimized torque characteristics, smooth acceleration/deceleration, and low-noise operation, the K Series is ideal for continuous-duty equipment requiring durable, long-life motion control. Its high-efficiency design ensures reduced energy consumption, and its robust mechanical structure guarantees vibration resistance and operational stability even under demanding environments.

K-series reducers are widely used in textile machinery, photovoltaic systems, logistics automation, robotics, inspection gates, medical equipment, and various mechanical systems where precise and efficient power transmission is essential.

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Key Features

01. Outstanding Torque Performance

• Excellent torque output at medium and low speeds
• Strong starting torque with low starting current
• High overload capacity, suitable for demanding loads

02. Superior Braking Characteristics

• Smooth start and smooth stop
• Reduces or eliminates the need for mechanical or electromagnetic brakes
• Enhances system stability and reduces mechanical wear

03. High Efficiency & Low Energy Consumption

• No excitation loss
• No brush friction or commutation sparks
• Higher efficiency leads to better energy savings and extended service life

04. Enhanced Overall Performance

• Low noise, lightweight structure, high output power
• High power density and simplified maintenance
• Longer service life with minimal upkeep

05. Safe & Stable Operation

• Low vibration and smooth running
• High anti-interference performance
• Reliable under harsh operating conditions

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Technical Specifications

Motor Compatibility

The K Series Reducers can be paired with the following motor frame sizes:

Motor Size (mm)	Output Power (W)
60 × 60	15, 25
80 × 80	40, 60
90 × 90 (GN)	40, 60
90 × 90 (GU)	60, 90, 120
104 × 104	200, 400

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Speed & Reduction Ratio Performance

Motor Speed: 200–1500 RPM, 2000 RPM, 2500 RPM

Reduction Ratio	Output Shaft Speed (RPM) — Motor 200–1500 RPM	Output Speed @2000 RPM	Output Speed @2500 RPM
3	67–500	667	833
3.6	56–417	556	695
5	40–300	400	500
6	33–250	334	417
7.5	27–200	267	334
9	22–167	223	278
10	20–150	200	250
12.5	16–120	160	200
15	13–100	134	167
18	11–83	112	139
20	10–75	100	125
25	8–60	80	100

High Reduction Ratios

Reduction Ratio	Output Shaft Speed (RPM) — Motor 200–1500 RPM	Output Speed @2000 RPM	Output Speed @2500 RPM
30	7–50	67	84
36	6–42	56	70
50	4–30	40	50
60	3–25	34	42
75	3–20	27	34
90	2–17	23	28
120	2–15	20	25
150	1.5–10	17	21
180	1–8	14	17
200	1–7.5	10	12.5

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Application

Widely Used Across Industries

The K Series Reducers offer high versatility and adaptability, making them suitable for a wide range of mechanical and automation applications:

✔ Photovoltaic Industry

• Solar tracking systems
• PV module handling and alignment equipment

✔ Textile Industry

• Yarn winding machines
• Fabric conveyors
• Knitting and dyeing equipment

✔ Intelligent Logistics

• Conveyor lines
• Automated storage and retrieval systems
• AGV / AMR drive transmission

✔ Medical Equipment

• Laboratory automation
• Precision motion platforms

✔ Industrial Robotics

• Joint modules
• End-effector actuation

✔ Barrier Gates & Security Inspection

• Turnstiles
• Access control mechanisms
• Security scanning conveyors

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Why Choose the K Series Reducers?

• Designed for high torque, low noise, long service life
• Compatible with brushless DC and PMSM motors
• Supports a wide power range from 15W to 400W
• Suitable for heavy-duty, continuous industrial use
• Efficient, compact, and reliable — ideal for OEM equipment manufacturers