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Small red cylindrical rotary encoder with radial cable exit

Autonics Corp

Autonics Corp E40H8-800-3-T-24 rotary encoder 800 P/R 12-24 VDC IP50

SKU CH-XR08-NS49Y MPN E40H8-800-3-T-24

Incremental rotary encoder delivers 800 pulses per revolution with totem-pole output, 12-24 VDC supply, 300 kHz response and IP50 protection

  • Labor warranty1 Year
  • Product typeTest Equipment
  • Color and finishRed
  • Number of items1 pack
  • Sold asBox
  • Parts warranty3 Years
  • Precise positioning with 800 pulses per revolution
  • Reliable signal integrity via totem-pole control output
  • Flexible 12-24 VDC power supply with ±5 % tolerance
  • High-speed feedback up to 300 kHz response frequency
  • Durable IP50-rated housing resists dust ingress

Incremental rotary encoder with 800 P/R

The Autonics E40H8-800-3-T-24 is an incremental rotary encoder that delivers 800 pulses per revolution. It operates on a 12-24 VDC supply with a 5 percent ripple tolerance. The totem-pole output provides a maximum response frequency of 300 kHz. A radial cable exits the IP50-rated housing for straightforward wiring.

Suits position feedback in automation

This encoder suits motion-control systems that need discrete position feedback at up to 5000 rpm. It is not for applications requiring absolute position data after a power cycle. It is not for environments that demand sealing beyond IP50 protection. Builders needing a hollow-shaft or blind-hole mounting should look at a different mechanical style.

800 pulses per revolution resolution

The single specification that decides fit is the 800 P/R resolution. It fixes the angular granularity and the maximum usable speed before the 300 kHz output limit is reached. Verify that the controller can accept totem-pole signals at the required count rate before selecting this part.

How it compares

Measured against everything we stock in Electrical Trade Tools & Kits, at today’s prices. Recalculated every night.

Price $72.99
Cheaper than about 67% of the 5,006 comparable items (median $95.99).

Specifications

Product
Brand nameAutonics
Model nameE40H8-800-3-T-24
Product typeTest Equipment
Color and finishRed
In the box
Number of items1 pack

Questions about this item

Should I choose the 800 P/R version or a different resolution for my application?

Select 800 P/R when you need 800 pulses per revolution; choose a lower count for coarser feedback or a higher count for finer positioning.

What does the 300 kHz maximum response frequency mean once the encoder is installed?

It limits the usable shaft speed to 5000 rpm at 800 P/R; beyond that the output pulses can no longer be reliably distinguished.

How does the totem-pole output with 12-24 VDC supply affect the signal levels I will see?

The output swings between 0 V and the applied supply voltage, so at 12 VDC you get 12 V pulses and at 24 VDC you get 24 V pulses.

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