![[OMRON] — E3S-DB Transparent Object Detection Retro-reflective Sensor (Smart Teaching / Eleven-turn, NPN/PNP)](https://img.prosourcemro.com/2026/05/001-339-1024x1024.png)
Photoelectric
Omron
[OMRON] — E3S-DB Transparent Object Detection Retro-reflective Sensor (Smart Teaching / Eleven-turn, NPN/PNP)
Family ID: OMRON-E3S-DB
OMRON E3S-DB Series retro-reflective photoelectric sensor for transparent object detection. MSR function. No close-range dead zone. Red light. Standard beam (DB[]1/T): 3.5 m with E39-R8 reflector. Narrow beam (DB[]2/T): 0.5 m with E39-R21 reflector. Smart Teaching (no T suffix) and Eleven-turn adjuster (T suffix) sensitivity adjustment. NPN (DBN) and PNP (DBP). Connection: pre-wired 2 m, M12 connector, M12 Smartclick pre-wired 0.3 m. Reflectors (E39-R8/R1S/R21/R1K/RP1/RS10/RS11) sold separately.
24 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| E3S-DBN11 2M | Transparent obj Standard beam Smart Teaching NPN 2m | OMRON | Sensing Distance: 3.5 m | Light Source: Red light | Sensing Method: Retro-reflective with MSR function | Beam Type: Standard beam | Sensitivity Adjustment: Smart Teaching | Output: NPN | Required Reflector: E39-R8 (sold separately) | Note: No close-range dead zone between sensor and reflector | Connection: Pre-wired 2 m | ||
| E3S-DBN21 | Transparent obj Standard beam Smart Teaching NPN M12 connector | OMRON | Sensing Distance: 3.5 m | Light Source: Red light | Sensing Method: Retro-reflective with MSR function | Beam Type: Standard beam | Sensitivity Adjustment: Smart Teaching | Output: NPN | Required Reflector: E39-R8 (sold separately) | Note: No close-range dead zone between sensor and reflector | Connection: M12 Connector | Required Cable: Requires XS5F-D421-D80-F (2m) / XS5F-D421-G80-F (5m) M12 Smartclick or XS2F-D421-D80-F M12 screw (sold separately) | ||
| E3S-DBN31 0.3M | Transparent obj Standard beam Smart Teaching NPN M12 Smartclick 0.3m | OMRON | Sensing Distance: 3.5 m | Light Source: Red light | Sensing Method: Retro-reflective with MSR function | Beam Type: Standard beam | Sensitivity Adjustment: Smart Teaching | Output: NPN | Required Reflector: E39-R8 (sold separately) | Note: No close-range dead zone between sensor and reflector | Connection: M12 Smartclick Pre-wired 0.3 m | Required Cable: Requires XS5F-D421-D80-F (2m) / XS5F-D421-G80-F (5m) M12 Smartclick or XS2F-D421-D80-F M12 screw (sold separately) | ||
| E3S-DBP11 2M | Transparent obj Standard beam Smart Teaching PNP 2m | OMRON | Sensing Distance: 3.5 m | Light Source: Red light | Sensing Method: Retro-reflective with MSR function | Beam Type: Standard beam | Sensitivity Adjustment: Smart Teaching | Output: PNP | Required Reflector: E39-R8 (sold separately) | Note: No close-range dead zone between sensor and reflector | Connection: Pre-wired 2 m | ||
| E3S-DBP21 | Transparent obj Standard beam Smart Teaching PNP M12 connector | OMRON | Sensing Distance: 3.5 m | Light Source: Red light | Sensing Method: Retro-reflective with MSR function | Beam Type: Standard beam | Sensitivity Adjustment: Smart Teaching | Output: PNP | Required Reflector: E39-R8 (sold separately) | Note: No close-range dead zone between sensor and reflector | Connection: M12 Connector | Required Cable: Requires XS5F-D421-D80-F (2m) / XS5F-D421-G80-F (5m) M12 Smartclick or XS2F-D421-D80-F M12 screw (sold separately) | ||
| E3S-DBP31 0.3M | Transparent obj Standard beam Smart Teaching PNP M12 Smartclick 0.3m | OMRON | Sensing Distance: 3.5 m | Light Source: Red light | Sensing Method: Retro-reflective with MSR function | Beam Type: Standard beam | Sensitivity Adjustment: Smart Teaching | Output: PNP | Required Reflector: E39-R8 (sold separately) | Note: No close-range dead zone between sensor and reflector | Connection: M12 Smartclick Pre-wired 0.3 m | Required Cable: Requires XS5F-D421-D80-F (2m) / XS5F-D421-G80-F (5m) M12 Smartclick or XS2F-D421-D80-F M12 screw (sold separately) | ||
| E3S-DBN12 2M | Transparent obj Narrow beam Smart Teaching NPN 2m | OMRON | Sensing Distance: 0.5 m | Light Source: Red light | Sensing Method: Retro-reflective with MSR function | Beam Type: Narrow beam | Sensitivity Adjustment: Smart Teaching | Output: NPN | Required Reflector: E39-R21 (sold separately) | Note: No close-range dead zone between sensor and reflector | Connection: Pre-wired 2 m | ||
| E3S-DBN22 | Transparent obj Narrow beam Smart Teaching NPN M12 connector | OMRON | Sensing Distance: 0.5 m | Light Source: Red light | Sensing Method: Retro-reflective with MSR function | Beam Type: Narrow beam | Sensitivity Adjustment: Smart Teaching | Output: NPN | Required Reflector: E39-R21 (sold separately) | Note: No close-range dead zone between sensor and reflector | Connection: M12 Connector | Required Cable: Requires XS5F-D421-D80-F (2m) / XS5F-D421-G80-F (5m) M12 Smartclick or XS2F-D421-D80-F M12 screw (sold separately) | ||
| E3S-DBN32 0.3M | Transparent obj Narrow beam Smart Teaching NPN M12 Smartclick 0.3m | OMRON | Sensing Distance: 0.5 m | Light Source: Red light | Sensing Method: Retro-reflective with MSR function | Beam Type: Narrow beam | Sensitivity Adjustment: Smart Teaching | Output: NPN | Required Reflector: E39-R21 (sold separately) | Note: No close-range dead zone between sensor and reflector | Connection: M12 Smartclick Pre-wired 0.3 m | Required Cable: Requires XS5F-D421-D80-F (2m) / XS5F-D421-G80-F (5m) M12 Smartclick or XS2F-D421-D80-F M12 screw (sold separately) | ||
| E3S-DBP12 2M | Transparent obj Narrow beam Smart Teaching PNP 2m | OMRON | Sensing Distance: 0.5 m | Light Source: Red light | Sensing Method: Retro-reflective with MSR function | Beam Type: Narrow beam | Sensitivity Adjustment: Smart Teaching | Output: PNP | Required Reflector: E39-R21 (sold separately) | Note: No close-range dead zone between sensor and reflector | Connection: Pre-wired 2 m | ||
| E3S-DBP22 | Transparent obj Narrow beam Smart Teaching PNP M12 connector | OMRON | Sensing Distance: 0.5 m | Light Source: Red light | Sensing Method: Retro-reflective with MSR function | Beam Type: Narrow beam | Sensitivity Adjustment: Smart Teaching | Output: PNP | Required Reflector: E39-R21 (sold separately) | Note: No close-range dead zone between sensor and reflector | Connection: M12 Connector | Required Cable: Requires XS5F-D421-D80-F (2m) / XS5F-D421-G80-F (5m) M12 Smartclick or XS2F-D421-D80-F M12 screw (sold separately) | ||
| E3S-DBP32 0.3M | Transparent obj Narrow beam Smart Teaching PNP M12 Smartclick 0.3m | OMRON | Sensing Distance: 0.5 m | Light Source: Red light | Sensing Method: Retro-reflective with MSR function | Beam Type: Narrow beam | Sensitivity Adjustment: Smart Teaching | Output: PNP | Required Reflector: E39-R21 (sold separately) | Note: No close-range dead zone between sensor and reflector | Connection: M12 Smartclick Pre-wired 0.3 m | Required Cable: Requires XS5F-D421-D80-F (2m) / XS5F-D421-G80-F (5m) M12 Smartclick or XS2F-D421-D80-F M12 screw (sold separately) | ||
| E3S-DBN11T 2M | Transparent obj Standard beam Eleven-turn adjuster NPN 2m | OMRON | Sensing Distance: 3.5 m | Light Source: Red light | Sensing Method: Retro-reflective with MSR function | Beam Type: Standard beam | Sensitivity Adjustment: Eleven-turn adjuster | Output: NPN | Required Reflector: E39-R8 (sold separately) | Note: No close-range dead zone between sensor and reflector | Connection: Pre-wired 2 m | ||
| E3S-DBN21T | Transparent obj Standard beam Eleven-turn adjuster NPN M12 connector | OMRON | Sensing Distance: 3.5 m | Light Source: Red light | Sensing Method: Retro-reflective with MSR function | Beam Type: Standard beam | Sensitivity Adjustment: Eleven-turn adjuster | Output: NPN | Required Reflector: E39-R8 (sold separately) | Note: No close-range dead zone between sensor and reflector | Connection: M12 Connector | Required Cable: Requires XS5F-D421-D80-F (2m) / XS5F-D421-G80-F (5m) M12 Smartclick or XS2F-D421-D80-F M12 screw (sold separately) | ||
| E3S-DBN31T 0.3M | Transparent obj Standard beam Eleven-turn adjuster NPN M12 Smartclick 0.3m | OMRON | Sensing Distance: 3.5 m | Light Source: Red light | Sensing Method: Retro-reflective with MSR function | Beam Type: Standard beam | Sensitivity Adjustment: Eleven-turn adjuster | Output: NPN | Required Reflector: E39-R8 (sold separately) | Note: No close-range dead zone between sensor and reflector | Connection: M12 Smartclick Pre-wired 0.3 m | Required Cable: Requires XS5F-D421-D80-F (2m) / XS5F-D421-G80-F (5m) M12 Smartclick or XS2F-D421-D80-F M12 screw (sold separately) | ||
| E3S-DBP11T 2M | Transparent obj Standard beam Eleven-turn adjuster PNP 2m | OMRON | Sensing Distance: 3.5 m | Light Source: Red light | Sensing Method: Retro-reflective with MSR function | Beam Type: Standard beam | Sensitivity Adjustment: Eleven-turn adjuster | Output: PNP | Required Reflector: E39-R8 (sold separately) | Note: No close-range dead zone between sensor and reflector | Connection: Pre-wired 2 m | ||
| E3S-DBP21T | Transparent obj Standard beam Eleven-turn adjuster PNP M12 connector | OMRON | Sensing Distance: 3.5 m | Light Source: Red light | Sensing Method: Retro-reflective with MSR function | Beam Type: Standard beam | Sensitivity Adjustment: Eleven-turn adjuster | Output: PNP | Required Reflector: E39-R8 (sold separately) | Note: No close-range dead zone between sensor and reflector | Connection: M12 Connector | Required Cable: Requires XS5F-D421-D80-F (2m) / XS5F-D421-G80-F (5m) M12 Smartclick or XS2F-D421-D80-F M12 screw (sold separately) | ||
| E3S-DBP31T 0.3M | Transparent obj Standard beam Eleven-turn adjuster PNP M12 Smartclick 0.3m | OMRON | Sensing Distance: 3.5 m | Light Source: Red light | Sensing Method: Retro-reflective with MSR function | Beam Type: Standard beam | Sensitivity Adjustment: Eleven-turn adjuster | Output: PNP | Required Reflector: E39-R8 (sold separately) | Note: No close-range dead zone between sensor and reflector | Connection: M12 Smartclick Pre-wired 0.3 m | Required Cable: Requires XS5F-D421-D80-F (2m) / XS5F-D421-G80-F (5m) M12 Smartclick or XS2F-D421-D80-F M12 screw (sold separately) | ||
| E3S-DBN12T 2M | Transparent obj Narrow beam Eleven-turn adjuster NPN 2m | OMRON | Sensing Distance: 0.5 m | Light Source: Red light | Sensing Method: Retro-reflective with MSR function | Beam Type: Narrow beam | Sensitivity Adjustment: Eleven-turn adjuster | Output: NPN | Required Reflector: E39-R21 (sold separately) | Note: No close-range dead zone between sensor and reflector | Connection: Pre-wired 2 m | ||
| E3S-DBN22T | Transparent obj Narrow beam Eleven-turn adjuster NPN M12 connector | OMRON | Sensing Distance: 0.5 m | Light Source: Red light | Sensing Method: Retro-reflective with MSR function | Beam Type: Narrow beam | Sensitivity Adjustment: Eleven-turn adjuster | Output: NPN | Required Reflector: E39-R21 (sold separately) | Note: No close-range dead zone between sensor and reflector | Connection: M12 Connector | Required Cable: Requires XS5F-D421-D80-F (2m) / XS5F-D421-G80-F (5m) M12 Smartclick or XS2F-D421-D80-F M12 screw (sold separately) | ||
| E3S-DBN32T 0.3M | Transparent obj Narrow beam Eleven-turn adjuster NPN M12 Smartclick 0.3m | OMRON | Sensing Distance: 0.5 m | Light Source: Red light | Sensing Method: Retro-reflective with MSR function | Beam Type: Narrow beam | Sensitivity Adjustment: Eleven-turn adjuster | Output: NPN | Required Reflector: E39-R21 (sold separately) | Note: No close-range dead zone between sensor and reflector | Connection: M12 Smartclick Pre-wired 0.3 m | Required Cable: Requires XS5F-D421-D80-F (2m) / XS5F-D421-G80-F (5m) M12 Smartclick or XS2F-D421-D80-F M12 screw (sold separately) | ||
| E3S-DBP12T 2M | Transparent obj Narrow beam Eleven-turn adjuster PNP 2m | OMRON | Sensing Distance: 0.5 m | Light Source: Red light | Sensing Method: Retro-reflective with MSR function | Beam Type: Narrow beam | Sensitivity Adjustment: Eleven-turn adjuster | Output: PNP | Required Reflector: E39-R21 (sold separately) | Note: No close-range dead zone between sensor and reflector | Connection: Pre-wired 2 m | ||
| E3S-DBP22T | Transparent obj Narrow beam Eleven-turn adjuster PNP M12 connector | OMRON | Sensing Distance: 0.5 m | Light Source: Red light | Sensing Method: Retro-reflective with MSR function | Beam Type: Narrow beam | Sensitivity Adjustment: Eleven-turn adjuster | Output: PNP | Required Reflector: E39-R21 (sold separately) | Note: No close-range dead zone between sensor and reflector | Connection: M12 Connector | Required Cable: Requires XS5F-D421-D80-F (2m) / XS5F-D421-G80-F (5m) M12 Smartclick or XS2F-D421-D80-F M12 screw (sold separately) | ||
| E3S-DBP32T 0.3M | Transparent obj Narrow beam Eleven-turn adjuster PNP M12 Smartclick 0.3m | OMRON | Sensing Distance: 0.5 m | Light Source: Red light | Sensing Method: Retro-reflective with MSR function | Beam Type: Narrow beam | Sensitivity Adjustment: Eleven-turn adjuster | Output: PNP | Required Reflector: E39-R21 (sold separately) | Note: No close-range dead zone between sensor and reflector | Connection: M12 Smartclick Pre-wired 0.3 m | Required Cable: Requires XS5F-D421-D80-F (2m) / XS5F-D421-G80-F (5m) M12 Smartclick or XS2F-D421-D80-F M12 screw (sold separately) |
