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Omron E3Z-R61K-M3J — Photoelectric Sensors

Omron E3Z-R61K-M3J Photoelectric Sensor, Retro-reflective, 3

MPNE3Z-R61K-M3J

Omron E3Z-R61K-M3J retro-reflective photoelectric sensor with built-in amplifier, M.S.R. function, 3 m range, red LED, M8 4-pin pre-wired connector (0.3 m), 30 mA max.

$197.00Ref. price · indicative, final on quote
Omron E3Z-R61K-M3J datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

E3Z-R61K-M3J — Sensing
ParameterValue
Sensing methodRetro-reflective (with M.S.R. function)
Sensing distance3 m (150 mm)
Light sourceRed LED (660 nm)
E3Z-R61K-M3J — Other specifications
ParameterValue
Weight0.03 Kg
Product typePhotoelectric Sensor with Built-in Amplifier
Connection methodPre-wired M8 4-pin-connector (0.3 m)
Current consumption30 mA max.

Product details

Comparing the connector variants

The E3Z-R61K-M3J: The standard variant E3Z-R61K uses a 2 m pre-wired cable. The M3J suffix here swaps that for a 0.3 m M8 quick-disconnect pigtail. Same sensing head, same 3 m retro-reflective range. If your panel uses a fixed wire run, the E3Z-R61K is a direct fit. But if you need a modular field-replaceable connection or a short pigtail to a junction box, this M3J version saves the crimping. Does it cross to what you've got? Only if your wiring scheme expects an M8 connector, not a free cable.

Frequently asked questions

What is the difference between E3Z-R61K-M3J and E3Z-R61K?

The M3J variant has a 0.3 m M8 4-pin pre-wired connector, while the standard E3Z-R61K has a 2 m pre-wired cable. Sensing and optics are identical.

Can I replace an E3Z-R61K with the M3J without rewiring?

No, the M3J uses an M8 connector, not a free cable. You would need an M8 mating connector and short cable to reach the existing wire terminations.

What is the sensing distance and light source?

Sensing distance is 3 m (minimum 150 mm) using a red LED at 660 nm.

MPN
E3Z-R61K-M3J