Part of the Omron Inductive Proximity Sensors series — see the full model table, lifecycle status and replacement parts.
Omron E2E-S05S12-WC-B1 — M5 PNP Miniature Sensor
SKU: E2E-S05S12-WC-B1USD 13.00
M5 stainless-steel inductive proximity sensor, 1.2 mm shielded range, PNP NO, 2 m PVC oil-resistant cable
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Product Overview
The Omron E2E-S05S12-WC-B1 is the smallest-bodied member of Omron's E2E-S small-diameter inductive proximity family — a 5 mm-thread M5 cylinder with a 25 mm overall length and a 14 mm thread, designed to fit where M8, M12, or M18 sensors physically cannot. 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.
Its sensing face is shielded (flush-mountable), so the housing can sit in a metal bracket or fixture without the operating distance being pulled in by surrounding steel. The sensing distance is 1.2 mm ±10 % with a usable setting range of 0 to 0.84 mm.
The housing is SUS303-grade stainless steel (not nickel-plated brass like the E2B-M12 family), giving a useful life in coolant mist or sterilise-in-place washdown.
Key Features
- PNP normally-open output, 100 mA sink, DC 3-wire
- M5 threaded stainless-steel cylindrical body, 25 mm overall length
- 12–24 VDC supply, 3.5 kHz response frequency, 0.5 ms response time
- 1.2 mm ±10 % shielded sensing distance, 0–0.84 mm usable setting range
- SKU: E2E-S05S12-WC-B1
- Series: E2E-S (Small-diameter inductive proximity)
- Voltage: 12 TO 24 VDC
Best-Fit Applications
- Pick-and-place head detection on small parts feeders verifying that the gripper has picked a vial or syringe component
- End-of-stroke confirmation on small pneumatic cylinders in laboratory automation and medical-device assembly
- Cap- and seal-presence detection on pharmaceutical filling lines below the reach of an M18 sensor
Buying Checklist
- Use the E2E-S08KS02-MC-B1 M8 sibling when 1.2 mm range isn't enough and 4.7 mm clearance is — same PNP NO logic, more sensing distance
- Pick the C1 suffix for NPN NO if your controller expects sinking input
- Pick the 2M cable for normal cabinet distances, the 5M for rotary tables and moving tracks
Technical Specifications
| Model | E2E-S05S12-WC-B1 |
|---|---|
| Series | E2E-S (Small-diameter inductive proximity) |
| Sensing Head Size | M5 (5 mm threaded body) |
| Housing Material | SUS303 stainless steel |
| Body Length | 25 mm overall, 14 mm thread length |
| Mounting Type | Shielded (flush-mountable) |
| Sensing Distance | 1.2 mm ±10 % |
| Usable Setting Range | 0 to 0.84 mm |
| Output Configuration | PNP open collector, normally open (B1 suffix) |
| Load Current | ≤ 100 mA |
| Supply Voltage | 12 to 24 VDC (10 to 30 VDC) |
| Current Consumption | ≤ 10 mA at 24 VDC |
| Operating Temperature | -25 to +70 °C |
| Storage Temperature | -40 to +85 °C |
| Compatible PLC Inputs | All Omron sinking-input / PNP-reading DC input cards (CP1W-ID211, CJ1W-ID211, NX-ID5342, NX-OD4121 with sourcing output) |
FAQ for E2E-S05S12-WC-B1
Is the E2E-S05S12-WC-B1 PNP or NPN?
PNP. The 'B' in the suffix B1 stands for PNP, and the '1' stands for normally open. So the E2E-S05S12-WC-B1 is a PNP normally-open sensor that sources current to the load when the target enters the sensing range. The Omron schematic shows brown = +V, blue = 0 V, black = output (load switches to +V when active). For NPN behaviour in the same M5 body, order the E2E-S05S12-WC-C1.
What's the difference between the E2E-S05S12-WC-B1 2M and the 5M variant?
Identical sensor — same sensing range, output, and body — only the cable length differs. The 2M (this SKU) covers typical fixed tooling within reach of the control cabinet; the 5M (E2E-S05S12-WC-B1 5M) is used on moving tracks, rotary tables, or where the sensor must reach back to a remote junction box. Choose by measuring the longest cable run you need; do not coil excess — the extra inductance can cause nuisance triggering on very fast event counting.
What's the smallest drill size needed to mount the M5 body?
4.7 to 5.0 mm is correct. Drilling at 5.0 mm gives a snug interference fit, drilling at 4.7 mm gives a slight clearance. Anything under 4.5 mm risks sensor fracture during tightening; anything over 5.1 mm lets the sensor tilt under vibration. Use the supplied locknut on the back side and torque to roughly 0.6 N·m — over-tightening crushes the M5 thread, under-tightening lets the sensor rotate and shifts the actual sensing point.
Can the E2E-S05S12-WC-B1 be wired directly to an Omron CP1W-ID211?
Yes. The CP1W-ID211 (and the CJ1W-ID211, NX-ID5342, NX-OD4121 as input cards) all read 24 VDC sourcing-output sensors directly. Wire brown to the +24 V terminal, blue to common (0 V), and black to the input channel. The sensor sources current into the input when the target is detected, which the input card sees as a logic-high state. No resistor is required and no inverter is needed.
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