Omron E2B-M12KS04-M1-B1-20 Inductive Proximity Sensor
| Feature | Value |
|---|---|
| Product Type | Inductive Proximity Sensor |
| Series | Omron E2B |
| Housing Size | M12 |
| Mounting Type | Shielded (Flush) |
| Sensing Distance | 4 mm |
| Output Type | PNP |
| Output Configuration | Normally Open (NO) |
| Supply Voltage | 10 to 30 VDC |
| Connection Type | M12 Connector |
| Housing Material | Nickel-Plated Brass |
| Protection Rating | IP67 |
| Response Frequency | 1000 Hz |
| Operating Temperature | -25°C to 70°C |
Technical Description
Industrial automation systems often require reliable position sensing without physical contact. The Omron E2B-M12KS04-M1-B1-20 Inductive Proximity Sensor is designed to meet this requirement by providing stable detection of metallic objects in machine control and monitoring applications.
Built within a compact M12 cylindrical housing, this sensor uses inductive sensing technology to detect conductive metal targets. The flush-mount construction enables integration into metal machine frames while maintaining predictable sensing performance. The device is equipped with a PNP normally open output and an M12 connector interface, making it suitable for modular machine architectures.
The Omron E2B-M12KS04-M1-B1-20 Inductive Proximity Sensor is commonly installed in automated production equipment, conveyor systems, robotics, and material handling machinery where dependable metal detection is required.
Working Principle
The sensor generates a high-frequency electromagnetic field through its sensing surface. When a metallic object enters this field, eddy currents are produced within the target material. These currents influence the oscillator circuit and create a measurable change inside the sensor electronics.
The internal control circuitry interprets this change and switches the output state. Since no physical contact occurs between the sensor and the detected object, wear is minimized and long-term reliability is improved.
This operating method allows the Omron E2B-M12KS04-M1-B1-20 Inductive Proximity Sensor to perform consistently in high-cycle industrial applications.
Key Features
4 mm Sensing Distance
The increased sensing range compared to shorter-distance variants provides additional installation flexibility while maintaining accurate target detection.
M12 Connector Interface
The connectorized design simplifies installation, replacement, and maintenance procedures while supporting standardized industrial wiring practices.
Compact Housing Construction
The M12 cylindrical body enables installation in machinery where mounting space is restricted.
Industrial Protection
The IP67 enclosure helps protect the sensor against dust and temporary water exposure commonly encountered in manufacturing facilities.
Typical Applications
- Automated assembly systems
- Machine position monitoring
- Metal workpiece detection
- Conveyor automation
- Robotic handling equipment
- Industrial transfer systems
- Packaging machinery
- Pneumatic actuator feedback
Industrial Applications
In robotic manufacturing cells, the sensor can confirm fixture positions before robotic movements begin. Accurate positional feedback supports synchronized machine operation and process consistency.
Packaging equipment often relies on inductive sensors to verify machine component locations during high-speed production cycles. Reliable switching helps maintain operational continuity.
In logistics facilities, automated transfer mechanisms use proximity sensors to monitor carrier movement and detect positioning points throughout conveyor networks.
The Omron E2B-M12KS04-M1-B1-20 Inductive Proximity Sensor is also used in machine tools to detect indexing positions, tooling locations, and actuator travel limits.
Advantages
- Non-contact metal detection
- 4 mm sensing distance
- PNP normally open output
- Standard M12 connector interface
- Compact cylindrical housing
- IP67 environmental protection
- Reduced mechanical wear
- Suitable for continuous operation
- High resistance to industrial vibration
Selection Considerations
When selecting an inductive sensor, engineers should evaluate the required sensing distance, output type, installation method, environmental conditions, and controller compatibility.
The Omron E2B-M12KS04-M1-B1-20 Inductive Proximity Sensor is suitable for applications requiring a flush-mount M12 sensor with a 4 mm sensing range and connectorized installation.
Machine designers should also consider target material properties and mounting clearances to ensure consistent sensing performance.
Omron E2B-M12KS04-M1-B1-20 For additional sensing technologies and product families, engineers can review Omron sensor products.
Omron E2B-M12KS04-M1-B1-20 Frequently Asked Questions
1. What type of objects can the sensor detect?
The sensor is designed for metallic target detection using inductive sensing technology.
2. What is the sensing distance?
The nominal sensing distance is 4 mm.
3. Which output type does it provide?
It uses a PNP normally open output configuration.
4. Is the sensor connectorized?
Yes. It uses an M12 connector interface.
5. Can it be installed in metal structures?
Yes. The shielded design supports flush mounting in metal assemblies.
6. What protection level does it provide?
The sensor is rated IP67.
7. Which industries use this sensor?
Manufacturing, robotics, packaging, machine building, and material handling industries commonly use this sensor type.
8. What supply voltage is required?
The sensor operates from 10 to 30 VDC.

