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| Country of Origin | China |
|---|---|
| Brand | RS Pro |
| Response time | 8.2ms |
| Light Source | Infrared LED |
| Detection range | 5 m |
| Model | 204-3991 |
| IP Rating | IP67 |
| Mount Type | Screw |
| Housing Material | Copper Nickel |
| Output type | NPN NO |
| Series | RS PRO |
| Maximum Operating Temperature | 55°C |
| Thread Size | M12 |
| Minimum Operating Temperature | -15°C |
| Maximum Current | 200mA |
| DetectIon Type | Receiver |
| Terminal type | Cable |
| Maximum dc Voltage | 30V dc |
| Standards/Approvals | CE |
| Sensor Style | Barrel |
RS Pro 204-3991 is a robust receiver photoelectric sensor designed for industrial and automation applications. Featuring a barrel-style design with copper nickel housing, it provides reliable object detection with a detection range of 5 meters. The sensor uses an infrared LED light source and outputs via a NPN normally open (NO) configuration, suitable for a broad range of automation control systems.
This sensor operates efficiently within a temperature span of -15°C to 55°C, making it adaptable for diverse environments. It supports a maximum DC voltage of 30V and a current rating of 200mA, with a fast response time of just 8.2 milliseconds to detect changes promptly.
Installation is simplified with a screw mount and M12 thread size, providing stable mounting options in tight industrial spaces. The IP67 ingress protection rating ensures resistance to dust and immersion in water, which enhances durability in harsh manufacturing or processing environments.
Certified with CE standards, the model 204-3991 sensor is ideal for precise object presence, absence, or distance measurement tasks in manufacturing automation, industrial control, and other electrical equipment sectors.
Durable copper nickel housing for enhanced longevity. Infrared LED light source for high-sensitivity detection. NPN NO output type suitable for various control configurations. IP67 rating for excellent environmental protection.
Fast 8.2ms response time for immediate signal processing. M12 thread size with screw mount ensures secure installation. Wide operating temperature range for different industrial scenarios. Maximum 30V DC voltage and 200mA current for safe electrical operation.
CE certification ensures compliance with safety and quality requirements.
This Photoelectric Sensor is applicable in industrial automation, factory production lines, process control, material handling systems, and other commercial sensing applications. Its capability to offer non-contact, reliable object detection makes it suitable for maintaining quality control and efficient operation within diverse industrial environments.
Explore more from the sensor category and related RS Pro products in our EnvMart online catalog for comprehensive automation and control solutions.
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