![[OMRON] — E3ZR-C Oil-resistant Through-beam Photoelectric Sensor (30m, Light/Dark-ON, NPN/PNP)](https://img.prosourcemro.com/2026/05/001-338-1024x1024.png)
Photoelectric
Omron
[OMRON] — E3ZR-C Oil-resistant Through-beam Photoelectric Sensor (30m, Light/Dark-ON, NPN/PNP)
Family ID: OMRON-E3ZR-C-THROUGH
OMRON E3ZR-C Series oil-resistant through-beam photoelectric sensors. Withstands cutting oil ingress. Red light, 30 m sensing distance. Light-ON (E3ZR-CT6xL/8xL) and Dark-ON (E3ZR-CT6xD/8xD). Available as set, emitter-only, or receiver-only. Pre-wired 2 m (5M also available) and M12 Smartclick 0.3 m. NPN and PNP. Oil-resistant Smartclick cables (XS5FR-D423) sold separately. Slits E39-S77A (1mm) / E39-S77B (2mm) sold separately.
24 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| E3ZR-CT61L 2M | Oil-resistant through-beam Light-ON NPN set 2m | OMRON | Sensing Distance: 30 m | Light Source: Red light | Sensing Method: Through-beam (Oil-resistant, cutting oil proof) | Output: NPN | Operation Mode: Light-ON | Oil Resistance: Yes | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZR-CT61L-L 2M) | Also Available: 5M cable: add '5M' suffix (e.g. E3ZR-CT61L 5M) | Type: Through-beam Set | Connection: Pre-wired 2 m | ||
| E3ZR-CT61L-L 2M | Oil-resistant through-beam Light-ON NPN emitter 2m | OMRON | Sensing Distance: 30 m | Light Source: Red light | Sensing Method: Through-beam (Oil-resistant, cutting oil proof) | Output: NPN | Operation Mode: Light-ON | Oil Resistance: Yes | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZR-CT61L-L 2M) | Also Available: 5M cable: add '5M' suffix (e.g. E3ZR-CT61L 5M) | Type: Through-beam Emitter | Connection: Pre-wired 2 m | Pair With: E3ZR-CT61L-D 2M (Receiver) | ||
| E3ZR-CT61L-D 2M | Oil-resistant through-beam Light-ON NPN receiver 2m | OMRON | Sensing Distance: 30 m | Light Source: Red light | Sensing Method: Through-beam (Oil-resistant, cutting oil proof) | Output: NPN | Operation Mode: Light-ON | Oil Resistance: Yes | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZR-CT61L-L 2M) | Also Available: 5M cable: add '5M' suffix (e.g. E3ZR-CT61L 5M) | Type: Through-beam Receiver | Connection: Pre-wired 2 m | Pair With: E3ZR-CT61L-L 2M (Emitter) | ||
| E3ZR-CT61L-M1TJ 0.3M | Oil-resistant through-beam Light-ON NPN set M12 0.3m | OMRON | Sensing Distance: 30 m | Light Source: Red light | Sensing Method: Through-beam (Oil-resistant, cutting oil proof) | Output: NPN | Operation Mode: Light-ON | Oil Resistance: Yes | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZR-CT61L-L 2M) | Also Available: 5M cable: add '5M' suffix (e.g. E3ZR-CT61L 5M) | Type: Through-beam Set | Connection: M12 Smartclick Pre-wired 0.3 m | Required Cable: Requires XS5FR-D423-D80-RB1 (2m) / XS5FR-D423-G80-RB1 (5m) / XS5FR-D423-J80-RB1 (10m) oil-resistant Smartclick (sold separately) | ||
| E3ZR-CT61L-L-M1TJ 0.3M | Oil-resistant through-beam Light-ON NPN emitter M12 | OMRON | Sensing Distance: 30 m | Light Source: Red light | Sensing Method: Through-beam (Oil-resistant, cutting oil proof) | Output: NPN | Operation Mode: Light-ON | Oil Resistance: Yes | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZR-CT61L-L 2M) | Also Available: 5M cable: add '5M' suffix (e.g. E3ZR-CT61L 5M) | Type: Through-beam Emitter | Connection: M12 Smartclick Pre-wired 0.3 m | Required Cable: Requires XS5FR-D423-D80-RB1 (2m) / XS5FR-D423-G80-RB1 (5m) / XS5FR-D423-J80-RB1 (10m) oil-resistant Smartclick (sold separately) | Pair With: E3ZR-CT61L-D-M1TJ 0.3M (Receiver) | ||
| E3ZR-CT61L-D-M1TJ 0.3M | Oil-resistant through-beam Light-ON NPN receiver M12 | OMRON | Sensing Distance: 30 m | Light Source: Red light | Sensing Method: Through-beam (Oil-resistant, cutting oil proof) | Output: NPN | Operation Mode: Light-ON | Oil Resistance: Yes | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZR-CT61L-L 2M) | Also Available: 5M cable: add '5M' suffix (e.g. E3ZR-CT61L 5M) | Type: Through-beam Receiver | Connection: M12 Smartclick Pre-wired 0.3 m | Required Cable: Requires XS5FR-D423-D80-RB1 (2m) / XS5FR-D423-G80-RB1 (5m) / XS5FR-D423-J80-RB1 (10m) oil-resistant Smartclick (sold separately) | Pair With: E3ZR-CT61L-L-M1TJ 0.3M (Emitter) | ||
| E3ZR-CT81L 2M | Oil-resistant through-beam Light-ON PNP set 2m | OMRON | Sensing Distance: 30 m | Light Source: Red light | Sensing Method: Through-beam (Oil-resistant, cutting oil proof) | Output: PNP | Operation Mode: Light-ON | Oil Resistance: Yes | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZR-CT61L-L 2M) | Also Available: 5M cable: add '5M' suffix (e.g. E3ZR-CT61L 5M) | Type: Through-beam Set | Connection: Pre-wired 2 m | ||
| E3ZR-CT81L-L 2M | Oil-resistant through-beam Light-ON PNP emitter 2m | OMRON | Sensing Distance: 30 m | Light Source: Red light | Sensing Method: Through-beam (Oil-resistant, cutting oil proof) | Output: PNP | Operation Mode: Light-ON | Oil Resistance: Yes | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZR-CT61L-L 2M) | Also Available: 5M cable: add '5M' suffix (e.g. E3ZR-CT61L 5M) | Type: Through-beam Emitter | Connection: Pre-wired 2 m | Pair With: E3ZR-CT81L-D 2M (Receiver) | ||
| E3ZR-CT81L-D 2M | Oil-resistant through-beam Light-ON PNP receiver 2m | OMRON | Sensing Distance: 30 m | Light Source: Red light | Sensing Method: Through-beam (Oil-resistant, cutting oil proof) | Output: PNP | Operation Mode: Light-ON | Oil Resistance: Yes | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZR-CT61L-L 2M) | Also Available: 5M cable: add '5M' suffix (e.g. E3ZR-CT61L 5M) | Type: Through-beam Receiver | Connection: Pre-wired 2 m | Pair With: E3ZR-CT81L-L 2M (Emitter) | ||
| E3ZR-CT81L-M1TJ 0.3M | Oil-resistant through-beam Light-ON PNP set M12 0.3m | OMRON | Sensing Distance: 30 m | Light Source: Red light | Sensing Method: Through-beam (Oil-resistant, cutting oil proof) | Output: PNP | Operation Mode: Light-ON | Oil Resistance: Yes | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZR-CT61L-L 2M) | Also Available: 5M cable: add '5M' suffix (e.g. E3ZR-CT61L 5M) | Type: Through-beam Set | Connection: M12 Smartclick Pre-wired 0.3 m | Required Cable: Requires XS5FR-D423-D80-RB1 (2m) / XS5FR-D423-G80-RB1 (5m) / XS5FR-D423-J80-RB1 (10m) oil-resistant Smartclick (sold separately) | ||
| E3ZR-CT81L-L-M1TJ 0.3M | Oil-resistant through-beam Light-ON PNP emitter M12 | OMRON | Sensing Distance: 30 m | Light Source: Red light | Sensing Method: Through-beam (Oil-resistant, cutting oil proof) | Output: PNP | Operation Mode: Light-ON | Oil Resistance: Yes | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZR-CT61L-L 2M) | Also Available: 5M cable: add '5M' suffix (e.g. E3ZR-CT61L 5M) | Type: Through-beam Emitter | Connection: M12 Smartclick Pre-wired 0.3 m | Required Cable: Requires XS5FR-D423-D80-RB1 (2m) / XS5FR-D423-G80-RB1 (5m) / XS5FR-D423-J80-RB1 (10m) oil-resistant Smartclick (sold separately) | Pair With: E3ZR-CT81L-D-M1TJ 0.3M (Receiver) | ||
| E3ZR-CT81L-D-M1TJ 0.3M | Oil-resistant through-beam Light-ON PNP receiver M12 | OMRON | Sensing Distance: 30 m | Light Source: Red light | Sensing Method: Through-beam (Oil-resistant, cutting oil proof) | Output: PNP | Operation Mode: Light-ON | Oil Resistance: Yes | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZR-CT61L-L 2M) | Also Available: 5M cable: add '5M' suffix (e.g. E3ZR-CT61L 5M) | Type: Through-beam Receiver | Connection: M12 Smartclick Pre-wired 0.3 m | Required Cable: Requires XS5FR-D423-D80-RB1 (2m) / XS5FR-D423-G80-RB1 (5m) / XS5FR-D423-J80-RB1 (10m) oil-resistant Smartclick (sold separately) | Pair With: E3ZR-CT81L-L-M1TJ 0.3M (Emitter) | ||
| E3ZR-CT61D 2M | Oil-resistant through-beam Dark-ON NPN set 2m | OMRON | Sensing Distance: 30 m | Light Source: Red light | Sensing Method: Through-beam (Oil-resistant, cutting oil proof) | Output: NPN | Operation Mode: Dark-ON | Oil Resistance: Yes | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZR-CT61L-L 2M) | Also Available: 5M cable: add '5M' suffix (e.g. E3ZR-CT61L 5M) | Type: Through-beam Set | Connection: Pre-wired 2 m | ||
| E3ZR-CT61D-L 2M | Oil-resistant through-beam Dark-ON NPN emitter 2m | OMRON | Sensing Distance: 30 m | Light Source: Red light | Sensing Method: Through-beam (Oil-resistant, cutting oil proof) | Output: NPN | Operation Mode: Dark-ON | Oil Resistance: Yes | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZR-CT61L-L 2M) | Also Available: 5M cable: add '5M' suffix (e.g. E3ZR-CT61L 5M) | Type: Through-beam Emitter | Connection: Pre-wired 2 m | Pair With: E3ZR-CT61D-D 2M (Receiver) | ||
| E3ZR-CT61D-D 2M | Oil-resistant through-beam Dark-ON NPN receiver 2m | OMRON | Sensing Distance: 30 m | Light Source: Red light | Sensing Method: Through-beam (Oil-resistant, cutting oil proof) | Output: NPN | Operation Mode: Dark-ON | Oil Resistance: Yes | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZR-CT61L-L 2M) | Also Available: 5M cable: add '5M' suffix (e.g. E3ZR-CT61L 5M) | Type: Through-beam Receiver | Connection: Pre-wired 2 m | Pair With: E3ZR-CT61D-L 2M (Emitter) | ||
| E3ZR-CT61D-M1TJ 0.3M | Oil-resistant through-beam Dark-ON NPN set M12 0.3m | OMRON | Sensing Distance: 30 m | Light Source: Red light | Sensing Method: Through-beam (Oil-resistant, cutting oil proof) | Output: NPN | Operation Mode: Dark-ON | Oil Resistance: Yes | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZR-CT61L-L 2M) | Also Available: 5M cable: add '5M' suffix (e.g. E3ZR-CT61L 5M) | Type: Through-beam Set | Connection: M12 Smartclick Pre-wired 0.3 m | Required Cable: Requires XS5FR-D423-D80-RB1 (2m) / XS5FR-D423-G80-RB1 (5m) / XS5FR-D423-J80-RB1 (10m) oil-resistant Smartclick (sold separately) | ||
| E3ZR-CT61D-L-M1TJ 0.3M | Oil-resistant through-beam Dark-ON NPN emitter M12 | OMRON | Sensing Distance: 30 m | Light Source: Red light | Sensing Method: Through-beam (Oil-resistant, cutting oil proof) | Output: NPN | Operation Mode: Dark-ON | Oil Resistance: Yes | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZR-CT61L-L 2M) | Also Available: 5M cable: add '5M' suffix (e.g. E3ZR-CT61L 5M) | Type: Through-beam Emitter | Connection: M12 Smartclick Pre-wired 0.3 m | Required Cable: Requires XS5FR-D423-D80-RB1 (2m) / XS5FR-D423-G80-RB1 (5m) / XS5FR-D423-J80-RB1 (10m) oil-resistant Smartclick (sold separately) | Pair With: E3ZR-CT61D-D-M1TJ 0.3M (Receiver) | ||
| E3ZR-CT61D-D-M1TJ 0.3M | Oil-resistant through-beam Dark-ON NPN receiver M12 | OMRON | Sensing Distance: 30 m | Light Source: Red light | Sensing Method: Through-beam (Oil-resistant, cutting oil proof) | Output: NPN | Operation Mode: Dark-ON | Oil Resistance: Yes | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZR-CT61L-L 2M) | Also Available: 5M cable: add '5M' suffix (e.g. E3ZR-CT61L 5M) | Type: Through-beam Receiver | Connection: M12 Smartclick Pre-wired 0.3 m | Required Cable: Requires XS5FR-D423-D80-RB1 (2m) / XS5FR-D423-G80-RB1 (5m) / XS5FR-D423-J80-RB1 (10m) oil-resistant Smartclick (sold separately) | Pair With: E3ZR-CT61D-L-M1TJ 0.3M (Emitter) | ||
| E3ZR-CT81D 2M | Oil-resistant through-beam Dark-ON PNP set 2m | OMRON | Sensing Distance: 30 m | Light Source: Red light | Sensing Method: Through-beam (Oil-resistant, cutting oil proof) | Output: PNP | Operation Mode: Dark-ON | Oil Resistance: Yes | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZR-CT61L-L 2M) | Also Available: 5M cable: add '5M' suffix (e.g. E3ZR-CT61L 5M) | Type: Through-beam Set | Connection: Pre-wired 2 m | ||
| E3ZR-CT81D-L 2M | Oil-resistant through-beam Dark-ON PNP emitter 2m | OMRON | Sensing Distance: 30 m | Light Source: Red light | Sensing Method: Through-beam (Oil-resistant, cutting oil proof) | Output: PNP | Operation Mode: Dark-ON | Oil Resistance: Yes | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZR-CT61L-L 2M) | Also Available: 5M cable: add '5M' suffix (e.g. E3ZR-CT61L 5M) | Type: Through-beam Emitter | Connection: Pre-wired 2 m | Pair With: E3ZR-CT81D-D 2M (Receiver) | ||
| E3ZR-CT81D-D 2M | Oil-resistant through-beam Dark-ON PNP receiver 2m | OMRON | Sensing Distance: 30 m | Light Source: Red light | Sensing Method: Through-beam (Oil-resistant, cutting oil proof) | Output: PNP | Operation Mode: Dark-ON | Oil Resistance: Yes | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZR-CT61L-L 2M) | Also Available: 5M cable: add '5M' suffix (e.g. E3ZR-CT61L 5M) | Type: Through-beam Receiver | Connection: Pre-wired 2 m | Pair With: E3ZR-CT81D-L 2M (Emitter) | ||
| E3ZR-CT81D-M1TJ 0.3M | Oil-resistant through-beam Dark-ON PNP set M12 0.3m | OMRON | Sensing Distance: 30 m | Light Source: Red light | Sensing Method: Through-beam (Oil-resistant, cutting oil proof) | Output: PNP | Operation Mode: Dark-ON | Oil Resistance: Yes | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZR-CT61L-L 2M) | Also Available: 5M cable: add '5M' suffix (e.g. E3ZR-CT61L 5M) | Type: Through-beam Set | Connection: M12 Smartclick Pre-wired 0.3 m | Required Cable: Requires XS5FR-D423-D80-RB1 (2m) / XS5FR-D423-G80-RB1 (5m) / XS5FR-D423-J80-RB1 (10m) oil-resistant Smartclick (sold separately) | ||
| E3ZR-CT81D-L-M1TJ 0.3M | Oil-resistant through-beam Dark-ON PNP emitter M12 | OMRON | Sensing Distance: 30 m | Light Source: Red light | Sensing Method: Through-beam (Oil-resistant, cutting oil proof) | Output: PNP | Operation Mode: Dark-ON | Oil Resistance: Yes | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZR-CT61L-L 2M) | Also Available: 5M cable: add '5M' suffix (e.g. E3ZR-CT61L 5M) | Type: Through-beam Emitter | Connection: M12 Smartclick Pre-wired 0.3 m | Required Cable: Requires XS5FR-D423-D80-RB1 (2m) / XS5FR-D423-G80-RB1 (5m) / XS5FR-D423-J80-RB1 (10m) oil-resistant Smartclick (sold separately) | Pair With: E3ZR-CT81D-D-M1TJ 0.3M (Receiver) | ||
| E3ZR-CT81D-D-M1TJ 0.3M | Oil-resistant through-beam Dark-ON PNP receiver M12 | OMRON | Sensing Distance: 30 m | Light Source: Red light | Sensing Method: Through-beam (Oil-resistant, cutting oil proof) | Output: PNP | Operation Mode: Dark-ON | Oil Resistance: Yes | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZR-CT61L-L 2M) | Also Available: 5M cable: add '5M' suffix (e.g. E3ZR-CT61L 5M) | Type: Through-beam Receiver | Connection: M12 Smartclick Pre-wired 0.3 m | Required Cable: Requires XS5FR-D423-D80-RB1 (2m) / XS5FR-D423-G80-RB1 (5m) / XS5FR-D423-J80-RB1 (10m) oil-resistant Smartclick (sold separately) | Pair With: E3ZR-CT81D-L-M1TJ 0.3M (Emitter) |
