Part of the Omron Inductive Proximity Sensors series — see the full model table, lifecycle status and replacement parts.
Omron E2B-M12KS04-M1-B1 2M — M12 Proximity Sensor, PNP, 4 mm
SKU: E2B-M12KS04-M1-B1 2MUSD 8.00
M12 shielded inductive proximity sensor, 4 mm range, PNP NO, M12 connector, IP67. In stock, China shipping.
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Product Overview
The Omron E2B-M12KS04-M1-B1 2M is a short-body M12 inductive proximity sensor with a 4 mm sensing range It is manufactured by Omron Corporation. Hengyixin Automation ships this sensor from our Xiamen warehouse with a 30-day DOA return window and a datasheet PDF included in the box.
The sensor detects ferrous and non-ferrous metal targets without touching them. The M12 nickel-plated brass barrel screws into a matching bracket on the machine and picks up metal up to 4 mm from the front face.
All four share the same M12 barrel and 10-30 VDC supply, so the same bracket and cable work across the family. Key specs: Body Style M12 threaded barrel, short body (51 mm overall, 31 mm thread); Mounting Shielded, quasi-flush (metal-mountable without range loss); Sensing Distance 4 mm nominal on a standard ferrous target; Output Type PNP, normally open, DC 3-wire, 200 mA max at 30 VDC; Supply Voltage 10-30 VDC, <=10 mA no-load current; Response Frequency 1 kHz; Connection M12 4-pin male connector on the sensor body; Housing Nickel-plated brass, 360 deg visible status LED.
Key Features
- Shielded (quasi-flush), 4 mm nominal sensing distance
- PNP normally open output, DC 3-wire, 200 mA max load
- 10-30 VDC supply, <=10 mA current draw, 1 kHz response
- M12 4-pin connector for tool-free replacement
- SKU: E2B-M12KS04-M1-B1 2M
- Series: E2B-series M12 brass inductive proximity sensor
- Voltage: 10-30 VDC
Best-Fit Applications
- Home / limit signal to a CP1L or CP2E PLC sourcing input on a packaging line.
- Tool-change position confirm on a small CNC mill, detecting the metal drawbar at the home position.
- Detecting the metal target on a pneumatic cylinder end-of-stroke for sequence confirmation.
Buying Checklist
- Choose E2B-M12KS04-M1-C1 if your PLC expects an NPN sinking input instead.
- Choose E2B-M12KS04-WZ-B1 2M if you need a 2 m pre-wired PVC cable instead of an M12 plug.
- Verify the metal target stays within 4 mm of the front face.
Technical Specifications
| Series | E2B-series M12 brass inductive proximity sensor |
|---|---|
| Body Style | M12 threaded barrel, short body (51 mm overall, 31 mm thread) |
| Mounting | Shielded, quasi-flush (metal-mountable without range loss) |
| Sensing Distance | 4 mm nominal on a standard ferrous target |
| Output Type | PNP, normally open, DC 3-wire, 200 mA max at 30 VDC |
| Supply Voltage | 10-30 VDC, <=10 mA no-load current |
| Response Frequency | 1 kHz |
| Connection | M12 4-pin male connector on the sensor body |
| Housing | Nickel-plated brass, 360 deg visible status LED |
| Protection Rating | IP67 (IEC 60529), -25 to +70 degC operating |
| Approvals | CE |
FAQ for E2B-M12KS04-M1-B1 2M
What is the difference between E2B-M12KS04-M1-B1 and E2B-M12KS04-M1-C1?
Both are the same M12 shielded 4 mm inductive body. The B1 suffix is PNP normally open (sources current to the load); the C1 suffix is NPN normally open (sinks current from the load). Pick the one that matches your PLC input polarity. Wiring the wrong one is the most common field failure.
Can I flush-mount the E2B-M12KS04-M1-B1 in a metal bracket?
Yes - the sensor is shielded, so mounting it flush in a metal bracket does not reduce the 4 mm sensing range. Allow at least 8 mm of clearance between adjacent sensors to prevent mutual interference. The unshielded LN08 body needs more clearance but reaches 8 mm.
What cable do I need for the E2B-M12KS04-M1-B1?
A standard M12 4-pin female cable, available in 2 m, 5 m, and 10 m lengths from Omron (XS2 series) or any M12 A-coded 4-pin cable. Pin 1 is +V (brown), pin 3 is 0 V (blue), pin 4 is the output (black). Pin 2 is unused.
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