Product Overview
The Turck NRB8-18GM50-E2-C-V1 is a rugged inductive proximity sensor designed for reliable non-contact detection of metallic objects in demanding industrial environments. Featuring an M18 stainless steel housing with IP67/IP69K protection, this sensor is engineered to withstand harsh conditions such as dust, moisture, mechanical shocks, and high-pressure washdowns. Operating on a 10–30 V DC supply, it provides a stable PNP or NPN output (configurable via wiring) through an M12 connector (E2 variant). With a sensing range of up to 50 mm for ferrous metals, the NRB8-18GM50-E2-C-V1 is ideal for applications in automotive manufacturing, material handling, and heavy machinery. Its robust construction and advanced diagnostics ensure seamless integration into automation systems.
Key Technical Parameters
- Sensing Range: 50 mm (for mild steel; reduced for non-ferrous metals).
- Supply Voltage: 10–30 V DC (±10%) with reverse polarity and surge protection.
- Output Type: Configurable PNP/NPN transistor (NO/NC), 200 mA max load current.
- Housing Material: Stainless steel (316L) with anti-corrosion coating.
- Operating Temperature: -25°C to +85°C (-13°F to +185°F).
- Protection Class: IP67/IP69K (dustproof, waterproof, and high-pressure resistant).
- Switching Frequency: Up to 1 kHz for rapid response in dynamic applications.
- Connector: M12 4-pin (E2 variant) with PUR cable (C-V1 configuration).
- Certifications: CE, UL, cULus, RoHS, and REACH compliance.
Typical Applications
The NRB8-18GM50-E2-C-V1 is widely used in industries requiring robust and precise proximity sensing:
- Automotive: Detecting metal components in robotic welding, assembly lines, or stamping presses.
- Material Handling: Monitoring conveyor belts, palletizers, or automated storage systems.
- Heavy Machinery: Ensuring safety interlocks for hydraulic cylinders or rotating equipment.
- Food & Beverage: Sanitary-grade detection of stainless steel valves or mixers in washdown zones.
- Mining: Position sensing of metal equipment in dusty or vibration-heavy environments.
Its immunity to electromagnetic interference (EMI) guarantees stable performance near motors or frequency inverters.
Competitive Advantages
- Extended Sensing Range: 50 mm detection capability for large or irregular targets.
- Durability: 316L stainless steel housing resists corrosion, chemicals, and mechanical stress.
- Flexible Configuration: Configurable output logic (PNP/NPN) adapts to diverse control systems.
- Quick Installation: Pre-wired M12 connectors and threaded mounting reduce setup time.
- Long Lifespan: Hermetic sealing and high-quality components minimize downtime in high-cycle operations.
Core Functionalities
The NRB8-18GM50-E2-C-V1 delivers advanced features for industrial reliability:
- Short-Circuit Protection: Automatic shutdown safeguards against wiring faults or overloads.
- Diagnostic LEDs: Dual-color indicators (green for power, yellow for output status) enable rapid troubleshooting.
- Temperature Stability: Maintains accuracy across extreme thermal conditions.
- IO-Link Compatibility (if applicable): Enables remote parameterization and predictive maintenance.
- Vibration Resistance: Secure M12 connection ensures uninterrupted operation in high-vibration environments.
| Parameter Category | Specification / Attribute |
| Product Type | Laser Retro-Reflective Sensor with Background Suppression (BGS) |
| Model Number | NRB8-18GM50-E2-C-V1 |
| Sensing Principle | Laser Diode (650 nm visible red light) |
| Detection Method | Retro-reflective (Uses reflector tape; ignores background objects via BGS) |
| Sensing Range | 50 m (max) to reflector tape (Standard reflector: 25×25 mm) |
| Min. Detectable Object | 1 mm opaque object at 0.5 m |
| Light Spot Size | Ø 20 mm at 10 m distance |
| Housing Material | Stainless Steel (316L) |
| Housing Size | M18 × 1 threaded barrel |
| Connection Type | M12 × 1, 4-pin connector (A-coded) |
| Output Configuration | PNP, Normally Open (NO) |
| Output Function | Switching output (Dark-on: object interrupts beam → output active) |
| Supply Voltage (VDC) | 10–30 VDC (±10%) |
| No-Load Current | ≤ 30 mA |
| Switching Current (Max) | 100 mA |
| Voltage Drop (Max) | ≤ 2.5 V |
| Switching Frequency | ≤ 500 Hz |
| Response Time | ≤ 1 ms |
| Protection Rating | IP67 / IP69K (High-pressure/steam washdown, immersion to 1 m) |
| Ambient Temp. Range | -40°C to +60°C |
| Laser Safety Class | Class 1 (IEC 60825-1) (Eye-safe) |
| Background Suppression | Fixed cutoff distance (Ignores objects beyond reflector position) |
| Alignment Aid | Visible red laser dot (Precise targeting) |
| Operating Indicators | Green LED (Power), Yellow LED (Output state) |
| Teach Function | Integrated button (Sets sensitivity/beam acceptance threshold) |
| Reflector Compatibility | Turck standard reflectors (e.g., RLA-25, 25×25 mm) |
| EMC Immunity | EN 60947-5-2: ≥ 20 V/m (26 MHz–2.5 GHz) |
| Vibration Resistance | 10–55 Hz @ 1.5 mm amplitude (IEC 60068-2-6) |
| Shock Resistance | 100 m/s² (30g), 6 ms, 3 axes (IEC 60068-2-27) |
| Electrical Protection | Reverse polarity, short-circuit, overload |
| Compliance & Approvals | CE, cULus (UL 508), EAC, RoHS 3, IEC 60947-5-2 |
| Housing Finish | Electropolished stainless steel (Ra ≤ 0.8 μm) |
| Weight | ~110 g (sensor only) |
| Cable/Connector | Plug: M12 × 1, 4-pin male (A-coded) (Cable not included; suffix "C" = connector) |
Packaging & Shipping
Company Information
Xiamen ZhiCheng Automation Technology Co., Ltdit is a leading global supplier of control system components. We specialize in control systems and drives.
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Turck NRB8-18GM50-E2-C-V1 - IP67 8mm Retroreflective - Industrial Stainless EMC-Shielded - Photoelectric Sensor Images
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