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Model DR857 | Replacement Encoder

DR857 Designed as a drop-in replacement for AMS Incremental Optical Encoders, the DR857 meets or exceeds all OEM specifications and comes with a 3 year warranty.
Together with EPC, we can deliver competitive pricing, short lead-times, and technical support.
The DR857 is designed to provide precision feedback control on any AMS Controls machine that includes their optical encoder, from metal roll forming to material tracking equipment.
As always, the DR857 comes with the renowned Accu-Coder quality, and you can get it FAST - standard lead time is just 6 business days, with expedite options available.

 256, 500, 1000, 2000 or 4000 CPR
 303 Stainless Steel Shaft
 Precision ABEC Ball Bearings
 IP66 Sealing

Model DR857

* See Data Sheet For Full Specifications
InputVoltsInputCurrentOutputFormatOutputTypeIndexFreqAccuracySpeedShaftRadialAxialStartTQInertiaWeightVibrationShockSeal
4.75 | 28 DC to 70° C | 24 DC to 100° C100 mA max with no output loadIncrementalLine Driver1 per rev.500 KHzCPR < 2000 = 1 | CPR < 3000 = .6 | CPR > 3000 = .38000 RPM303 Stainless Steel80lb max | Rtd ld. 20-40lb = bearing life: 1.5x10⁹ revs80lb max | Rtd ld. 20-40lb = bearing life: 1.5x10⁹ revs1 oz-in IP64 | 3 oz-in IP66 | 7 oz-in IP675.2 x 10⁻⁴ oz-in-sec²20 oz typical20 g @ 58 to 500 Hz75 g @ 11 ms durationIP66


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