In the field of industrial automation, engineers often look for encoders that deliver accuracy, long service life, and stable performance. The M6-5S3HX51-W003 Avtron M6 Incremental Encoder is recognized for its durable construction and reliable signal output, making it a trusted choice in applications such as heavy machinery, CNC systems, and automated production lines. From a user perspective, this encoder is valued for its ability to maintain consistent performance even in demanding environments, reducing downtime and ensuring smooth operation.
Replacement Solutions for M6-5S3HX51-W003 Encoder
We specialize in offering replacement solutions for the M6-5S3HX51-W003 Avtron M6 Incremental Encoder. Our alternatives are manufactured with a customized design approach, ensuring that the mechanical dimensions and electrical parameters are fully aligned with the original model. This guarantees a true 1:1 compatibility, allowing for direct installation without adjustments to the existing system.
Why Choose Our Replacement Encoder?
- 100% mechanical and electrical compatibility with the Avtron M6-5S3HX51-W003
- Designed to match original specifications for smooth integration
- Practical solution for discontinued or hard-to-source models
- Reliable performance proven in industrial environments
The photos provided are of the actual replacement encoders, giving customers a clear view of the product they will receive. By choosing our replacement solution, businesses can overcome challenges such as long lead times, procurement difficulties, and supply shortages, all while maintaining the performance expected from the original Avtron encoder.


M6-5S3HX51-W003
Introduction
Avtron M6C explosion protected ATEX and IECEx rated severe mill duty rotary encoders are designed for direct mounting on motor or load shafts, from 1" to 1 1/8" [25-30mm].
The M6C is an updated model which directly replaces the M6 encoder, and M6C adds IECEx certification. No barrier or isolator is required-mount M6C directly in any ATEX or IECEx Zone 1 application.
Why take a chance with weak optical encoders on your drilling rig? The M6C features Avtron Encoders' rugged magnetic sensor and solid metal rotor technology. Our shatterproof, moisture proof systems ensure your application has maximum uptime. The hollow shaft (tethered) models offer direct mounting on shafts from 1" to 1 1/8", without flanges, reducers, couplings, or other hardware. No rework is needed; just mount the encoder directly on the shaft, and secure the tether arm. The heavy duty bearings withstand runout and vibration that destroy lesser encoders.
M6C also includes a complete wiring protection system--it can survive all types of wiring errors and drive signals down the longest cables.
For more information on keeping your rotary encoders working in oil and gas applications, visit our oil and gas blog.
We believe explosion protected encoders should also be ready to withstand the rough drilling environment. Try the M6C today!
Parameters
Operating Power: Volts: 5-24 VDC; Current: 120mA, no load
Output Format: A, /A, B, /B; Optional Marker Z, /Z
Frequency Range: 0 to 250 kHz @ 6 V & 1 meter cable
PPR: 240-1200
Speed: 5000 RPM Max. Std.
Temperature: 80°C to -40°C (-40°C optional, -20°C standard)
Chemical: Polyurethane enamel paint protects against salt spray, mild acids, and bases
Enclosure Rating: IP66
Explosion Protection:
ATEX 0539 II 2 G Ex d e IIB T4 Gb
(Tamb = -40/-20°C to +80°C)
IECEx Ex d e IIB T4 Gb
(Tamb = -40/-20°C to +80°C)
Weight: 18 lbs. / 8kg.