![[OMRON] — E3ZM-C Oil-resistant Through-beam Photoelectric Sensor (15m Infrared / 20m Orange, NPN/PNP)](https://img.prosourcemro.com/2026/05/001-335-1024x1024.png)
Photoelectric
Omron
[OMRON] — E3ZM-C Oil-resistant Through-beam Photoelectric Sensor (15m Infrared / 20m Orange, NPN/PNP)
Family ID: OMRON-E3ZM-C-THROUGH
OMRON E3ZM-C Series oil-resistant robust compact through-beam photoelectric sensors. For automotive and machine tool industries. 15 m infrared (E3ZM-CT61/81): pre-wired 2m/5m + M12 Smartclick 0.3m. 20 m orange light (E3ZM-CT62B/82B): pre-wired 2m/5m + M12 Smartclick 0.3m. Available as set, emitter-only, or receiver-only. NPN and PNP.
36 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| E3ZM-CT61 2M | Oil-resistant through-beam 15 m NPN set 2m | OMRON | Sensing Distance: 15 m | Light Source: Infrared | Sensing Method: Through-beam (Oil-resistant) | Output: NPN | Oil Resistance: Yes (automotive/machine tool) | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZM-CT61-L 2M) | Type: Through-beam Set | Connection: Pre-wired 2 m | ||
| E3ZM-CT61-L 2M | Oil-resistant through-beam 15 m NPN emitter 2m | OMRON | Sensing Distance: 15 m | Light Source: Infrared | Sensing Method: Through-beam (Oil-resistant) | Output: NPN | Oil Resistance: Yes (automotive/machine tool) | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZM-CT61-L 2M) | Type: Through-beam Emitter | Connection: Pre-wired 2 m | Pair With: E3ZM-CT61-D 2M (Receiver) | ||
| E3ZM-CT61-D 2M | Oil-resistant through-beam 15 m NPN receiver 2m | OMRON | Sensing Distance: 15 m | Light Source: Infrared | Sensing Method: Through-beam (Oil-resistant) | Output: NPN | Oil Resistance: Yes (automotive/machine tool) | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZM-CT61-L 2M) | Type: Through-beam Receiver | Connection: Pre-wired 2 m | Pair With: E3ZM-CT61-L 2M (Emitter) | ||
| E3ZM-CT61 5M | Oil-resistant through-beam 15 m NPN set 5m | OMRON | Sensing Distance: 15 m | Light Source: Infrared | Sensing Method: Through-beam (Oil-resistant) | Output: NPN | Oil Resistance: Yes (automotive/machine tool) | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZM-CT61-L 2M) | Type: Through-beam Set | Connection: Pre-wired 5 m | ||
| E3ZM-CT61-L 5M | Oil-resistant through-beam 15 m NPN emitter 5m | OMRON | Sensing Distance: 15 m | Light Source: Infrared | Sensing Method: Through-beam (Oil-resistant) | Output: NPN | Oil Resistance: Yes (automotive/machine tool) | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZM-CT61-L 2M) | Type: Through-beam Emitter | Connection: Pre-wired 5 m | Pair With: E3ZM-CT61-D 5M (Receiver) | ||
| E3ZM-CT61-D 5M | Oil-resistant through-beam 15 m NPN receiver 5m | OMRON | Sensing Distance: 15 m | Light Source: Infrared | Sensing Method: Through-beam (Oil-resistant) | Output: NPN | Oil Resistance: Yes (automotive/machine tool) | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZM-CT61-L 2M) | Type: Through-beam Receiver | Connection: Pre-wired 5 m | Pair With: E3ZM-CT61-L 5M (Emitter) | ||
| E3ZM-CT61-M1TJ 0.3M | Oil-resistant through-beam 15 m NPN set M12 Smartclick 0.3m | OMRON | Sensing Distance: 15 m | Light Source: Infrared | Sensing Method: Through-beam (Oil-resistant) | Output: NPN | Oil Resistance: Yes (automotive/machine tool) | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZM-CT61-L 2M) | Type: Through-beam Set | Connection: M12 Twist-and-click Pre-wired Connector 0.3 m | Required Cable: Requires XS5F-D421-D80-F (2m) / XS5F-D421-G80-F (5m) straight fire-retardant or XS5F-D421-D80-P oil-resistant cable (sold separately) | ||
| E3ZM-CT61-L-M1TJ 0.3M | Oil-resistant through-beam 15 m NPN emitter M12 | OMRON | Sensing Distance: 15 m | Light Source: Infrared | Sensing Method: Through-beam (Oil-resistant) | Output: NPN | Oil Resistance: Yes (automotive/machine tool) | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZM-CT61-L 2M) | Type: Through-beam Emitter | Connection: M12 Twist-and-click Pre-wired Connector 0.3 m | Required Cable: Requires XS5F-D421-D80-F (2m) / XS5F-D421-G80-F (5m) straight fire-retardant or XS5F-D421-D80-P oil-resistant cable (sold separately) | Pair With: E3ZM-CT61-D-M1TJ 0.3M (Receiver) | ||
| E3ZM-CT61-D-M1TJ 0.3M | Oil-resistant through-beam 15 m NPN receiver M12 | OMRON | Sensing Distance: 15 m | Light Source: Infrared | Sensing Method: Through-beam (Oil-resistant) | Output: NPN | Oil Resistance: Yes (automotive/machine tool) | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZM-CT61-L 2M) | Type: Through-beam Receiver | Connection: M12 Twist-and-click Pre-wired Connector 0.3 m | Required Cable: Requires XS5F-D421-D80-F (2m) / XS5F-D421-G80-F (5m) straight fire-retardant or XS5F-D421-D80-P oil-resistant cable (sold separately) | Pair With: E3ZM-CT61-L-M1TJ 0.3M (Emitter) | ||
| E3ZM-CT81 2M | Oil-resistant through-beam 15 m PNP set 2m | OMRON | Sensing Distance: 15 m | Light Source: Infrared | Sensing Method: Through-beam (Oil-resistant) | Output: PNP | Oil Resistance: Yes (automotive/machine tool) | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZM-CT61-L 2M) | Type: Through-beam Set | Connection: Pre-wired 2 m | ||
| E3ZM-CT81-L 2M | Oil-resistant through-beam 15 m PNP emitter 2m | OMRON | Sensing Distance: 15 m | Light Source: Infrared | Sensing Method: Through-beam (Oil-resistant) | Output: PNP | Oil Resistance: Yes (automotive/machine tool) | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZM-CT61-L 2M) | Type: Through-beam Emitter | Connection: Pre-wired 2 m | Pair With: E3ZM-CT81-D 2M (Receiver) | ||
| E3ZM-CT81-D 2M | Oil-resistant through-beam 15 m PNP receiver 2m | OMRON | Sensing Distance: 15 m | Light Source: Infrared | Sensing Method: Through-beam (Oil-resistant) | Output: PNP | Oil Resistance: Yes (automotive/machine tool) | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZM-CT61-L 2M) | Type: Through-beam Receiver | Connection: Pre-wired 2 m | Pair With: E3ZM-CT81-L 2M (Emitter) | ||
| E3ZM-CT81 5M | Oil-resistant through-beam 15 m PNP set 5m | OMRON | Sensing Distance: 15 m | Light Source: Infrared | Sensing Method: Through-beam (Oil-resistant) | Output: PNP | Oil Resistance: Yes (automotive/machine tool) | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZM-CT61-L 2M) | Type: Through-beam Set | Connection: Pre-wired 5 m | ||
| E3ZM-CT81-L 5M | Oil-resistant through-beam 15 m PNP emitter 5m | OMRON | Sensing Distance: 15 m | Light Source: Infrared | Sensing Method: Through-beam (Oil-resistant) | Output: PNP | Oil Resistance: Yes (automotive/machine tool) | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZM-CT61-L 2M) | Type: Through-beam Emitter | Connection: Pre-wired 5 m | Pair With: E3ZM-CT81-D 5M (Receiver) | ||
| E3ZM-CT81-D 5M | Oil-resistant through-beam 15 m PNP receiver 5m | OMRON | Sensing Distance: 15 m | Light Source: Infrared | Sensing Method: Through-beam (Oil-resistant) | Output: PNP | Oil Resistance: Yes (automotive/machine tool) | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZM-CT61-L 2M) | Type: Through-beam Receiver | Connection: Pre-wired 5 m | Pair With: E3ZM-CT81-L 5M (Emitter) | ||
| E3ZM-CT81-M1TJ 0.3M | Oil-resistant through-beam 15 m PNP set M12 Smartclick 0.3m | OMRON | Sensing Distance: 15 m | Light Source: Infrared | Sensing Method: Through-beam (Oil-resistant) | Output: PNP | Oil Resistance: Yes (automotive/machine tool) | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZM-CT61-L 2M) | Type: Through-beam Set | Connection: M12 Twist-and-click Pre-wired Connector 0.3 m | Required Cable: Requires XS5F-D421-D80-F (2m) / XS5F-D421-G80-F (5m) straight fire-retardant or XS5F-D421-D80-P oil-resistant cable (sold separately) | ||
| E3ZM-CT81-L-M1TJ 0.3M | Oil-resistant through-beam 15 m PNP emitter M12 | OMRON | Sensing Distance: 15 m | Light Source: Infrared | Sensing Method: Through-beam (Oil-resistant) | Output: PNP | Oil Resistance: Yes (automotive/machine tool) | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZM-CT61-L 2M) | Type: Through-beam Emitter | Connection: M12 Twist-and-click Pre-wired Connector 0.3 m | Required Cable: Requires XS5F-D421-D80-F (2m) / XS5F-D421-G80-F (5m) straight fire-retardant or XS5F-D421-D80-P oil-resistant cable (sold separately) | Pair With: E3ZM-CT81-D-M1TJ 0.3M (Receiver) | ||
| E3ZM-CT81-D-M1TJ 0.3M | Oil-resistant through-beam 15 m PNP receiver M12 | OMRON | Sensing Distance: 15 m | Light Source: Infrared | Sensing Method: Through-beam (Oil-resistant) | Output: PNP | Oil Resistance: Yes (automotive/machine tool) | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZM-CT61-L 2M) | Type: Through-beam Receiver | Connection: M12 Twist-and-click Pre-wired Connector 0.3 m | Required Cable: Requires XS5F-D421-D80-F (2m) / XS5F-D421-G80-F (5m) straight fire-retardant or XS5F-D421-D80-P oil-resistant cable (sold separately) | Pair With: E3ZM-CT81-L-M1TJ 0.3M (Emitter) | ||
| E3ZM-CT62B 2M | Oil-resistant through-beam 20 m NPN set 2m | OMRON | Sensing Distance: 20 m | Light Source: Orange light | Sensing Method: Through-beam (Oil-resistant) | Output: NPN | Oil Resistance: Yes (automotive/machine tool) | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZM-CT61-L 2M) | Type: Through-beam Set | Connection: Pre-wired 2 m | ||
| E3ZM-CT62B-L 2M | Oil-resistant through-beam 20 m NPN emitter 2m | OMRON | Sensing Distance: 20 m | Light Source: Orange light | Sensing Method: Through-beam (Oil-resistant) | Output: NPN | Oil Resistance: Yes (automotive/machine tool) | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZM-CT61-L 2M) | Type: Through-beam Emitter | Connection: Pre-wired 2 m | Pair With: E3ZM-CT62B-D 2M (Receiver) | ||
| E3ZM-CT62B-D 2M | Oil-resistant through-beam 20 m NPN receiver 2m | OMRON | Sensing Distance: 20 m | Light Source: Orange light | Sensing Method: Through-beam (Oil-resistant) | Output: NPN | Oil Resistance: Yes (automotive/machine tool) | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZM-CT61-L 2M) | Type: Through-beam Receiver | Connection: Pre-wired 2 m | Pair With: E3ZM-CT62B-L 2M (Emitter) | ||
| E3ZM-CT62B 5M | Oil-resistant through-beam 20 m NPN set 5m | OMRON | Sensing Distance: 20 m | Light Source: Orange light | Sensing Method: Through-beam (Oil-resistant) | Output: NPN | Oil Resistance: Yes (automotive/machine tool) | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZM-CT61-L 2M) | Type: Through-beam Set | Connection: Pre-wired 5 m | ||
| E3ZM-CT62B-L 5M | Oil-resistant through-beam 20 m NPN emitter 5m | OMRON | Sensing Distance: 20 m | Light Source: Orange light | Sensing Method: Through-beam (Oil-resistant) | Output: NPN | Oil Resistance: Yes (automotive/machine tool) | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZM-CT61-L 2M) | Type: Through-beam Emitter | Connection: Pre-wired 5 m | Pair With: E3ZM-CT62B-D 5M (Receiver) | ||
| E3ZM-CT62B-D 5M | Oil-resistant through-beam 20 m NPN receiver 5m | OMRON | Sensing Distance: 20 m | Light Source: Orange light | Sensing Method: Through-beam (Oil-resistant) | Output: NPN | Oil Resistance: Yes (automotive/machine tool) | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZM-CT61-L 2M) | Type: Through-beam Receiver | Connection: Pre-wired 5 m | Pair With: E3ZM-CT62B-L 5M (Emitter) | ||
| E3ZM-CT62B-M1TJ 0.3M | Oil-resistant through-beam 20 m NPN set M12 Smartclick 0.3m | OMRON | Sensing Distance: 20 m | Light Source: Orange light | Sensing Method: Through-beam (Oil-resistant) | Output: NPN | Oil Resistance: Yes (automotive/machine tool) | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZM-CT61-L 2M) | Type: Through-beam Set | Connection: M12 Twist-and-click Pre-wired Connector 0.3 m | Required Cable: Requires XS5F-D421-D80-F (2m) / XS5F-D421-G80-F (5m) straight fire-retardant or XS5F-D421-D80-P oil-resistant cable (sold separately) | ||
| E3ZM-CT62B-L-M1TJ 0.3M | Oil-resistant through-beam 20 m NPN emitter M12 | OMRON | Sensing Distance: 20 m | Light Source: Orange light | Sensing Method: Through-beam (Oil-resistant) | Output: NPN | Oil Resistance: Yes (automotive/machine tool) | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZM-CT61-L 2M) | Type: Through-beam Emitter | Connection: M12 Twist-and-click Pre-wired Connector 0.3 m | Required Cable: Requires XS5F-D421-D80-F (2m) / XS5F-D421-G80-F (5m) straight fire-retardant or XS5F-D421-D80-P oil-resistant cable (sold separately) | Pair With: E3ZM-CT62B-D-M1TJ 0.3M (Receiver) | ||
| E3ZM-CT62B-D-M1TJ 0.3M | Oil-resistant through-beam 20 m NPN receiver M12 | OMRON | Sensing Distance: 20 m | Light Source: Orange light | Sensing Method: Through-beam (Oil-resistant) | Output: NPN | Oil Resistance: Yes (automotive/machine tool) | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZM-CT61-L 2M) | Type: Through-beam Receiver | Connection: M12 Twist-and-click Pre-wired Connector 0.3 m | Required Cable: Requires XS5F-D421-D80-F (2m) / XS5F-D421-G80-F (5m) straight fire-retardant or XS5F-D421-D80-P oil-resistant cable (sold separately) | Pair With: E3ZM-CT62B-L-M1TJ 0.3M (Emitter) | ||
| E3ZM-CT82B 2M | Oil-resistant through-beam 20 m PNP set 2m | OMRON | Sensing Distance: 20 m | Light Source: Orange light | Sensing Method: Through-beam (Oil-resistant) | Output: PNP | Oil Resistance: Yes (automotive/machine tool) | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZM-CT61-L 2M) | Type: Through-beam Set | Connection: Pre-wired 2 m | ||
| E3ZM-CT82B-L 2M | Oil-resistant through-beam 20 m PNP emitter 2m | OMRON | Sensing Distance: 20 m | Light Source: Orange light | Sensing Method: Through-beam (Oil-resistant) | Output: PNP | Oil Resistance: Yes (automotive/machine tool) | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZM-CT61-L 2M) | Type: Through-beam Emitter | Connection: Pre-wired 2 m | Pair With: E3ZM-CT82B-D 2M (Receiver) | ||
| E3ZM-CT82B-D 2M | Oil-resistant through-beam 20 m PNP receiver 2m | OMRON | Sensing Distance: 20 m | Light Source: Orange light | Sensing Method: Through-beam (Oil-resistant) | Output: PNP | Oil Resistance: Yes (automotive/machine tool) | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZM-CT61-L 2M) | Type: Through-beam Receiver | Connection: Pre-wired 2 m | Pair With: E3ZM-CT82B-L 2M (Emitter) | ||
| E3ZM-CT82B 5M | Oil-resistant through-beam 20 m PNP set 5m | OMRON | Sensing Distance: 20 m | Light Source: Orange light | Sensing Method: Through-beam (Oil-resistant) | Output: PNP | Oil Resistance: Yes (automotive/machine tool) | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZM-CT61-L 2M) | Type: Through-beam Set | Connection: Pre-wired 5 m | ||
| E3ZM-CT82B-L 5M | Oil-resistant through-beam 20 m PNP emitter 5m | OMRON | Sensing Distance: 20 m | Light Source: Orange light | Sensing Method: Through-beam (Oil-resistant) | Output: PNP | Oil Resistance: Yes (automotive/machine tool) | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZM-CT61-L 2M) | Type: Through-beam Emitter | Connection: Pre-wired 5 m | Pair With: E3ZM-CT82B-D 5M (Receiver) | ||
| E3ZM-CT82B-D 5M | Oil-resistant through-beam 20 m PNP receiver 5m | OMRON | Sensing Distance: 20 m | Light Source: Orange light | Sensing Method: Through-beam (Oil-resistant) | Output: PNP | Oil Resistance: Yes (automotive/machine tool) | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZM-CT61-L 2M) | Type: Through-beam Receiver | Connection: Pre-wired 5 m | Pair With: E3ZM-CT82B-L 5M (Emitter) | ||
| E3ZM-CT82B-M1TJ 0.3M | Oil-resistant through-beam 20 m PNP set M12 Smartclick 0.3m | OMRON | Sensing Distance: 20 m | Light Source: Orange light | Sensing Method: Through-beam (Oil-resistant) | Output: PNP | Oil Resistance: Yes (automotive/machine tool) | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZM-CT61-L 2M) | Type: Through-beam Set | Connection: M12 Twist-and-click Pre-wired Connector 0.3 m | Required Cable: Requires XS5F-D421-D80-F (2m) / XS5F-D421-G80-F (5m) straight fire-retardant or XS5F-D421-D80-P oil-resistant cable (sold separately) | ||
| E3ZM-CT82B-L-M1TJ 0.3M | Oil-resistant through-beam 20 m PNP emitter M12 | OMRON | Sensing Distance: 20 m | Light Source: Orange light | Sensing Method: Through-beam (Oil-resistant) | Output: PNP | Oil Resistance: Yes (automotive/machine tool) | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZM-CT61-L 2M) | Type: Through-beam Emitter | Connection: M12 Twist-and-click Pre-wired Connector 0.3 m | Required Cable: Requires XS5F-D421-D80-F (2m) / XS5F-D421-G80-F (5m) straight fire-retardant or XS5F-D421-D80-P oil-resistant cable (sold separately) | Pair With: E3ZM-CT82B-D-M1TJ 0.3M (Receiver) | ||
| E3ZM-CT82B-D-M1TJ 0.3M | Oil-resistant through-beam 20 m PNP receiver M12 | OMRON | Sensing Distance: 20 m | Light Source: Orange light | Sensing Method: Through-beam (Oil-resistant) | Output: PNP | Oil Resistance: Yes (automotive/machine tool) | Emitter/Receiver: Emitter: add '-L' suffix; Receiver: add '-D' suffix (e.g. E3ZM-CT61-L 2M) | Type: Through-beam Receiver | Connection: M12 Twist-and-click Pre-wired Connector 0.3 m | Required Cable: Requires XS5F-D421-D80-F (2m) / XS5F-D421-G80-F (5m) straight fire-retardant or XS5F-D421-D80-P oil-resistant cable (sold separately) | Pair With: E3ZM-CT82B-L-M1TJ 0.3M (Emitter) |
