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Red cylindrical rotary encoder with radial cable exit

Autonics Corp

Autonics Corp E40S8-1000-3-N-24 Incremental Rotary Encoder 1000P/R NPN 12-24VDC

SKU CH-MHS9-MJJFQ MPN E40S8-1000-3-N-24

Incremental rotary encoder delivering 1000 pulses per revolution with NPN open-collector output on a 12-24 VDC supply

  • Labor warranty1 Year
  • Product typeTest Equipment
  • Color and finishRed
  • Number of items1 pack
  • Sold asBox
  • Parts warranty3 Years
  • Precise positioning with 1000 pulses per revolution
  • Reliable NPN open-collector output for industrial controls
  • Wide 12-24 VDC supply range simplifies wiring
  • High-speed 300 kHz response captures rapid motion
  • IP50 rating protects against dust ingress

Application fit

The Autonics E40S8-1000-3-N-24 is an incremental rotary encoder that delivers 1000 pulses per revolution with NPN open-collector output. It suits automation engineers and maintenance technicians who need precise position feedback on 12 to 24 VDC control systems. Buyers who require absolute-position data or higher-voltage supplies should look elsewhere.

Installation notes

The unit mounts via an 8 mm diameter shaft and uses a radial cable exit for straightforward wiring into panels or motor frames. A maximum starting torque of 40 gf·cm keeps coupling effort low, but the IP50 rating means the housing is not sealed against dust or water ingress. Exceeding the 5000 rpm mechanical limit or the 300 kHz electrical response frequency will cause signal loss.

Decisive specification

The control output is NPN open collector, so the encoder must connect to a compatible sinking input on the controller or PLC. Supplying 12 to 24 VDC within ±5 % ripple ensures reliable operation, while the 1000 P/R resolution fixes the smallest detectable angular step for the application.

How it compares

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

Price $86.99
Cheaper than about 56% of the 5,006 comparable items (median $95.99).

Specifications

Product
Brand nameAutonics
Model nameE40S8-1000-3-N-24
Product typeTest Equipment
Color and finishRed
In the box
Number of items1 pack

Questions about this item

How do I verify the encoder is operating correctly after installation?

Apply 12-24VDC power and confirm the NPN open collector output switches cleanly at up to 300kHz while the shaft turns within the 5000rpm limit.

What is included in the box and what must be sourced separately?

The box contains one E40S8-1000-3-N-24 encoder with its Ø8mm shaft and radial cable; mounting hardware, couplings and a 12-24VDC supply are not included.

Which resolution version should I choose for my application?

This model provides 1000P/R; select it when your motion system requires that exact pulse count per revolution.

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