Many procurement teams check GM401 against Siemens Encoder, Baumer Photoelectric Sensor and Baumer Eb360 Sc C S012 V4Gjn 13000N before signing purchase orders, verifying quality, compliance, and after-sales support availability.
Baumer GM401 Rotary Encoder
The Baumer GM401 Rotary Encoder offers a Multiturn function, Optical sensing method, ΓΈ6 mm solid shaft shaft type, and Connector M23, 12-pin, Connector M12, 8-pin, Cable 1 m connection. Manufactured by Baumer under the Baumer Rotary Encoder category, this model belongs to the EAL580-B Series.
| Brand | Sick |
| Product Type | Rotary Encoders |
| Model Number | GM401 |
Baumer GM401 Rotary Encoder β Technical Specifications
| Specification | Value |
|---|---|
| Voltage supply | 10...30 VDC, 5 VDC Β±10 % |
| Reverse polarity protection | Yes (10..30 VDC) / No (5 VDC) |
| Consumption w/o load | β€50 mA (24 VDC), β€80 mA (5 VDC) |
| Interface | SSI, Incremental A 90Β° B (optional) |
| Function | Multiturn |
| Absolute accuracy | Β±0.025 Β° |
| Sensing method | Optical |
| Size (flange) | ΓΈ58 mm |
| Shaft type | ΓΈ6 mm solid shaft |
| Protection EN 60529 | IP 54 (without shaft seal), IP 65 (with shaft seal) |
| Operating speed | β€10000 rpm (mechanical), β€6000 rpm (electric) |
| Starting acceleration | β€1000 U/sΒ² |
| Starting torque | β€0.015 Nm (+25 Β°C, IP 54), β€0.03 Nm (+25 Β°C, IP 65) |
| Rotor moment of inertia | 20 gcmΒ² |
| Material | Housing: aluminium, Flange: aluminium |
| Operating temperature | -25...+85 Β°C, -40...+85 Β°C (optional) |
| Relative humidity | 95 % non-condensing |
| Resistance | EN 60068-2-6, Vibration Β±0.75 mm - 10-58 Hz, 10 g - 58-2000 Hz, EN 60068-2-27, Shock 200 g, 6 ms |
| Weight approx. | 400 g |
| Connection | Connector M23, 12-pin, Connector M12, 8-pin, Cable 1 m |
The GM401: Baumer Multiturn 16 bit Resolution Absolute Encoder integrates optical sensing with multiturn functionality to provide high-resolution feedback of up to 16 bits, ensuring precise angle detection even after power interruptions. It operates on a wide voltage range of 10...30 VDC and 5 VDC Β±10%, with reverse polarity protection available for the higher range. The encoder supports both SSI and optional Incremental A 90Β° B interfaces, offering broad integration across PLCs and automation systems. It features a solid shaft ΓΈ6 mm design with ΓΈ58 mm flange size, housed in aluminium casing for durability and heat dissipation. This model delivers an impressive absolute accuracy of Β±0.025Β° and supports up to 6000 rpm electrically and 10000 rpm mechanically, ideal for applications requiring both speed and accuracy. Vibration resistance up to 10 g and shock endurance of 200 g (6 ms) ensure stability in high-impact environments. With protection ratings of IP54 and IP65 (depending on shaft seal), the encoder can operate in dusty or moderately humid conditions. Multiple connector optionsβM23, M12, and 1 m cableβmake installation flexible in various mounting scenarios. Overall, the Baumer GM401 stands out for its precision engineering, robust design, and seamless compatibility with industrial control environments.
The Baumer GM401 is trusted in a wide range of industrial applications where exact position control and multiturn capability are essential. It is frequently used in packaging machines, robotic arms, CNC rotary axes, elevator shaft positioning, and material handling equipment. Engineers select this model when both single-turn and multiturn data are needed to maintain precise shaft position even during power failures. Its high resolution and fast response make it suitable for servo systems and linear actuators in smart factories. Maintenance teams value its long life, consistent accuracy, and ease of replacement thanks to standard shaft dimensions and versatile connector choices. Whether in new installations or retrofits, the GM401 delivers repeatable results and stable signal output that engineers can count on under real-world industrial conditions.
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