$ 129.95
Compact M12 inductive safety switch with dual OSSD outputs, SIL 2, PL d, and IP67 protection for reliable machine safety.
The SICK IME2S12-04B4DW2 is a compact, cylindrical non-contact safety switch designed for reliable position monitoring and machine safety applications. Using inductive sensing technology, it offers a 4 mm sensing range with high repeatability, ensuring safe machine operation without mechanical wear. With SIL 2 and PL d safety ratings, it’s ideal for safeguarding personnel in industrial environments. Its rugged nickel-plated brass housing and IP67 protection make it resistant to dust, water, and harsh industrial conditions, providing long-term reliability in safety-critical systems.
Why?
Because machine safety should be fail-proof, maintenance-free, and fast—the IME2S12-04B4DW2 delivers all three in a compact M12 form, keeping people safe and production running at peak efficiency.
What problem does it solve?
It eliminates the risk of unsafe machine operation caused by unreliable mechanical switches. With non-contact inductive sensing, SIL 2 safety certification, and lightning-fast ≤1 ms response time, it ensures accurate, wear-free detection even in harsh, high-vibration environments—reducing downtime, preventing accidents, and extending equipment life.
Part Number: 1091945
Non-Contact Safety Switches Model: IME2S12-04B4DW2
| Feature | Details | Benefit |
|---|---|---|
| Sensor Principle | Inductive | Reliable, wear-free operation without mechanical contact. |
| Sensing Range (Sn) | 4 mm | Accurate detection in compact setups. |
| Assured Switch-On Distance (Sao) | 3.2 mm | Ensures safe and repeatable activation. |
| Assured Switch-Off Distance (Sar) | 6 mm | Prevents unintended reactivation. |
| Housing Type | Cylindrical M12, Nickel-plated brass | Robust design for industrial environments. |
| Outputs | 2 x OSSD, self-monitoring | Fail-safe switching in safety circuits. |
| Safety Level | SIL 2 (IEC 61508), PL d (ISO 13849-1) | Meets strict safety compliance standards. |
| Connection Type | 4-wire cable, 2 m length | Easy integration into existing wiring. |
| Response Time | ≤ 1 ms | Fast reaction for high-speed machinery. |
| Power Supply | 24 V DC (19.2…28.8 V DC) | Standard industrial voltage range. |
| Protection Class | IP67 | Fully dustproof and water-resistant. |
| Operating Temperature | –25 °C to +70 °C | Wide range for diverse applications. |
| Included Items | 2 x mounting nuts, brass, nickel-plated | Ready-to-install package. |
| Certifications | CE, cULus, UKCA, RoHS | Global compliance for easy approval. |
Download Full Specification Datasheet – SICK IME2S12-04B4DW2
Robotic Welding Cell Door Interlock
Mounted flush on an enclosure, the M12 inductive switch verifies full door closure before welding begins. Its non-contact sensing and rapid response ensure the welding process stops instantly if the door opens, maintaining high safety standards without mechanical wear.
High-Speed Press Guard Monitoring
Installed on a safety guard, the compact design fits tight press spaces. Dual safety outputs trigger an immediate stop when the guard is moved, providing operator protection even in high-cycle operations.
Packaging Conveyor Gate Control
Used to confirm gate closure before a conveyor fill cycle starts, the sensor’s inductive design prevents false triggers. Its rugged IP67 build ensures stable performance in dusty or damp packaging environments.
Automated Guided Cart Load Verification
Fitted to the vehicle frame, the sensor checks correct placement of metal load fixtures. Built-in LED indicators make troubleshooting quick, while the long cable length supports flexible installation on moving equipment.
Injection Molding Machine Guard Check
Installed on machine guards, the switch ensures safe closure before hydraulic cycles activate. Certified for high safety levels, it integrates smoothly with existing safety control systems in production lines.
Metal Forming Press Panel Detection
Positioned flush on access panels, the sensor confirms secure closure before machinery starts. The nickel-plated brass housing resists vibration and occasional knocks, maintaining performance in heavy-duty environments.
Robotic Paint Booth Door Safety
In humid or chemically harsh environments, the IP67-rated sensor detects door positions without contact. The design prevents sensor failure from paint buildup, ensuring uninterrupted production.
Vertical Lift Platform Gate Monitoring
Installed on platform gates, the sensor ensures closure before lift movement begins. Its fast reaction time and dual safety outputs protect both operators and goods in motion.
| Safety integrity level | SIL2 (IEC 61508)
SILCL2 (EN 62061) |
| Category | Category 2 (ISO 13849-1) |
| Performance level | PL d (ISO 13849-1) |
| PFHD (mean probability of a dangerous failure per hour) | 6.0 x 10-8 (IEC 61508) 1) |
| TM (mission time) | 20 years (ISO 13849-1) |
| Type | Type 3 (ISO 14119-1) |
| Actuator coding level | Uncoded (EN ISO 14119) |
| Safe state in the event of a fault | At least one safety-related semiconductor output (OSSD) is in the OFF state. |
| Safe series connection | None, only individual wiring (with diagnostics) |
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| Diagnostics indicator | ✔ | ||||||
| Status display | ✔ | ||||||
| Protection class | III (IEC 61140) |
| Rated insulation voltage Ui | 28.8 V |
| Rated impulse withstand voltage Uimp | 1,500 V |
| Supply voltage Vs | 24 V DC (19.2 V DC … 28.8 V DC) |
| Power consumption | ≤ 20 mA |
| Type of output | Self-monitoring semiconductor outputs (OSSDs) |
| Response time | ≤ 1 ms |
| Enable time | ≤ 1 ms |
| Risk time | ≤ 20 ms |
| Switch-on time | ≤ 1 s |
| Design | Cylindrical | ||||||||
| Housing diameter | M12 | ||||||||
| Housing length | 63 mm | ||||||||
| Thread length | 40.9 mm | ||||||||
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| Installation type | Flush | ||||||||
| Enclosure rating | IP67 (IEC 60529) |
| Ambient operating temperature | –25 °C … +70 °C |
| Storage temperature | –25 °C … +70 °C |
| Relative humidity | 50 %, at 70 °C (IEC 60947-5-2) |
| Vibration resistance | 10 Hz … 55 Hz, 1 mm (IEC 60947-5-2) |
| EMC | IEC 60947-5-2
IEC 60947-5-3 IEC 61000-6-7 |
BEF-WN-M12 Mounting Bracket – Steel, zinc-coated bracket for secure installation of M12 sensors
BEF-KH-M12 Clamping Block – Glass-fiber reinforced plastic clamp for round M12 sensors, includes mounting hardware
PVC Sensor Cable Extensions – Durable industrial cables for extending sensor reach in complex machine setups
Contact our expert team for volume pricing, application support, or to get help integrating this sensor into your automation system.
