Omron E2E-X8MD1 2M — M12 Inductive Sensor, 8 mm, DC 2-Wire
SKU: E2E-X8MD1 2MUSD 18.00
M12 brass cylindrical inductive proximity sensor, 8 mm unshielded (non-flush) sensing distance, DC 2-wire polarized NO output, pre-wired 2 m oil-resistant PVC cable. 12-24 VDC supply, 0.8 kHz response, IP67.
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Product Overview
The E2E-X8MD1 2M is the M12 brass-body, 8 mm unshielded (non-flush) inductive proximity sensor with DC 2-wire polarized normally-open output and a 2 m pre-wired oil-resistant PVC cable. The E2E is Omron's flagship general-purpose inductive line — the right pick when the application needs reliable metal detection in a DC circuit that is wired like a switch contact rather than like a sensor with separate load and supply. The DC 2-wire form factor is the classic 'limit switch replacement' — the sensor acts like a contact closure (current sinks through the load when a target is detected) rather than a sourcing output stage.
Decoding the E2E-X8MD1 model number
The E2E model code follows a strict naming convention: E2E = standard cylindrical inductive family; X = standard oil-resistant PVC cable (vs S = enhanced PUR cable, R = robot-grade, U = polyurethane); 8 = 8 mm sensing distance; MD = M12 unshielded / 2-wire DC polarized (M = M12 body, D = 2-wire DC; the shielded sibling is E2E-X8MD1-S or 2S with the S prefix indicating shielded mounting); 1 = normally-open (NO). The 2M suffix means 2 m pre-wired cable (no suffix = special variant per the Omron datasheet note system).
DC 2-wire polarity wiring — pinout is different from 3-wire
The E2E-X8MD1 2M uses the same 2 conductors for both supply power and load current — there is no separate load terminal. Wire the brown conductor (+V) to the positive supply (12 to 24 VDC) and the blue conductor (0 V) to the load, with the load's other terminal connected to 0 V (ground). When a target is detected, the sensor sinks current through the load to ground (NO contact closure = current flows when target present).
Pick the E2E-X8MD1 2M over 3-wire when:
The load is a relay coil or solenoid that operates directly on the sensor current — DC 2-wire sensors can switch up to 100 mA through the load, which is enough to drive a small relay coil directly. The 2-wire form factor also minimizes wiring errors in the field (no +V, 0V, output, ground — just two wires and a load). And the leakage current spec (0.8 mA max) is critical for high-impedance loads: if the load is a PLC input with high input impedance (> 10 kΩ), the 0.8 mA leakage may be enough to trigger the input falsely when the sensor is OFF.
Key Features
- M12 brass nickel-plated cylindrical body
- 8 mm nominal sensing distance
- DC 2-wire polarized output, normally-open
- Pre-wired 2 m oil-resistant PVC cable
- 12 to 24 VDC supply
- 0.8 kHz response frequency
- 100 mA max load current
- 0.8 mA max leakage current when OFF
- SKU: E2E-X8MD1 2M
- Series: E2E Standard Cylindrical Inductive Proximity Sensors
- Voltage: 12 TO 24 VDC
- I/O: 2 I/O
Best-Fit Applications
- Pneumatic cylinder end-of-stroke position confirmation on a packaging machine — E2E-X8MD1 2M mounted on the cylinder body, target = piston.
- Conveyor transfer-point target detection between two conveyors — sensor mounted in the side frame of the upstream conveyor, target =.
- Tool-position confirmation on a CNC machining center — multiple E2E-X8MD1 2M sensors confirming tool-changer positions with 0.8 kHz response suitable.
- Door-position feedback on a non-safety machine guard — sensor mounted on the cabinet frame, target = ferrous strike plate; for.
Buying Checklist
- Pick E2E-X8MD1 2M for M12 brass 8 mm unshielded DC 2-wire NO inductive sensor with 2 m pre-wired PVC cable
- Pick E2E-X8MD1-M1 for M12 4-pin connector instead of pre-wired cable
- Pick E2E-X8MD2 2M for normally-closed output — pick for fail-safe logic where 'sensor blocked = output ON'
- Pick E2E-X2D1 2M for shielded 2 mm sensing — pick if installing in a tight ferrous bracket
- Pick E2E-X8MY1 2M for DC 3-wire NPN output — pick for PLC inputs with sourcing-input style
- Pick E2E-X14MD1 2M for M18 brass 8 mm unshielded version with longer body for threaded-mount applications
Technical Specifications
| Model | E2E-X8MD1 2M |
|---|---|
| Series | E2E Standard Cylindrical Inductive Proximity Sensors |
| Type | M12 unshielded, DC 2-wire polarized, NO |
| Sensing Distance | 8 mm ±10% (with iron 30×30×1 mm target) |
| Setting Distance | 0 to 6.4 mm (80% of nominal rated) |
| Differential Travel | 10% max of sensing distance |
| Standard Sensing Object | Iron, 30 × 30 × 1 mm |
| Response Frequency | 0.8 kHz (1.25 ms response time) |
| Power Supply Voltage | 12 to 24 VDC, ripple (p-p) 10% max |
| Operating Voltage Range | 10 to 30 VDC |
| Leakage Current | 0.8 mA max (sensor OFF) |
| Control Output | DC 2-wire polarized, 100 mA load max, 30 VDC residual voltage max |
| Sensing Face Material | PBT (polybutylene terephthalate) |
| Operating Temperature | -25 to +70 °C |
| Storage Temperature | -25 to +80 °C |