Autonics E40H12-1200-6-L-5 Rotary Encoder
The Autonics E40H12-1200-6-L-5 Rotary Encoder offers Ø12mm shaft inner diameter, 5000rpm Max. allowable revolution, Line Driver, Control output 5VDC, Power supply, 1200P/R, resolution Radial cable type connection type. Manufactured by Autonics under the Autonics Rotary Encoder category, this model belongs to the Autonics E40H Series.
| Brand | Autonics |
| Product Type | Rotary Encoder |
| Model Number | E40H12-1200-6-L-5 |
Autonics E40H12-1200-6-L-5 Rotary Encoder – Technical Specifications
| Specification | Value |
|---|---|
| Shaft inner diameter | Ø12mm |
| Max. response frequency | 300kHz |
| Max. allowable revolution | 5000rpm |
| Starting torque | Max. 50gf.cm(max. 0.0049N.m) |
| Resolution | 1200P/R |
| Output phase | A, @(A^), B, @(B^), Z, @(Z^) |
| Control output | Line Driver |
| Power supply | 5VDC |
| Connection type | Radial cable type |
| Protection structure | IP50 |
| Environment_Ambient temperature | -10 to 70℃, storage: -25 to 85℃ |
| Environment_Ambient humidity | 35 to 85% RH, storage: 35 to 90% RH |
| Accessories | Bracket |
| Weight | Approx. 120g |
The E40H12-1200-6-L-5 delivers accurate rotary feedback with a resolution of 1200 pulses per revolution (P/R), ideal for mid-to-high resolution motion control systems. It features a shaft diameter of Ø12mm and a maximum allowable revolution of 5000rpm, ensuring smooth performance even in high-speed applications. The encoder supports a Line Driver output with A, B, Z phase signals and their complements, offering excellent noise immunity and compatibility with differential signal receivers. A fast response frequency of 300kHz guarantees real-time feedback without lag. Operating at 5VDC ±5%, the power circuit remains stable even with voltage fluctuations, while the radial cable type connection enhances cable routing flexibility. Weighing approximately 120g, its compact build integrates easily into control panels and moving equipment. The IP50 protection rating ensures defense against dust, and it operates reliably across temperatures from -10°C to 70°C with up to 85% relative humidity, making it suitable for harsh factory environments.
Trusted by system integrators and OEMs, this Autonics encoder is widely used in industrial equipment where consistent and precise position tracking is critical. The included bracket simplifies installation, reducing downtime during retrofits or replacements. Its low starting torque of 50gf.cm minimizes mechanical resistance, helping extend the lifespan of connected motors and improving energy efficiency in closed-loop systems. The Line Driver output is particularly effective in long-distance transmission or electrically noisy environments, such as high-frequency servo drives and CNC machines.
In terms of application, the Autonics E40H12-1200-6-L-5 is ideal for conveyor speed feedback, robotic arm positioning, textile machine synchronization, and automatic labeling systems. Maintenance engineers appreciate the consistent indexing signals (Z-phase) which help align mechanical zero during calibration. Junior technicians find the encoder easy to wire due to its clear signal phase structure, while senior engineers trust its reliability in precision-demanding automation systems. With its robust design and accurate feedback, this encoder supports productivity and system integrity in various automation tasks. For more details, visit the official Autonics page.
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