Procurement teams shortlist EE-SPW421 with Omron SMPS 24V 10A, Omron Ee Sx671A and Omron Photoelectric Sensors E3T Series, aligning budget approvals, warranty terms, and multisite availability for smoother rollout across plants.
Omron EE-SPW421 Photomicrosensor
The Omron EE-SPW421 Photomicrosensor offers Through-beam type, 300 mm Sensing distance, NPN Output, Pre-wired models, 12 to 24 VDC Power supply voltage, Light-ON mode. Manufactured by Omron under the Omron Photoelectric Sensors category, this model belongs to the Omron EE Series.
| Brand | Omron |
| Product | Photomicro Sensors |
| Model Number | EE-SPW421 |
Omron EE-SPW421 Photomicrosensor β Technical Specifications
| Specification | Value |
|---|---|
| Sensing Method | Through-beam type |
| Sensing Distance | 300 mm |
| Power Supply Voltage | 12 to 24 VDC |
| Control Output (Output Type) | NPN |
| Connection Method | Pre-wired models |
| Cable Length | 2 m (Cable length from emitter to amplifier: 0.5 m) |
| Current Consumption | Average value: 30 mA |
| Operation Mode | Light-ON |
| Response Time | Operate or reset: 1 ms max. |
| Control Output (Residual Voltage) | at 100 mA load current: 1 V max. |
| Control Output (Load Current) | 100 mA max. |
| Indicator | Light indicator (red LEDs on Sensor and Amplifier) |
| Ambient Temperature (Operating) | -20 to 55 β |
| Ambient Humidity (Operating) | 5 to 85 % |
| Vibration Resistance | Destruction: 10 to 55 Hz, 1.5 mm double amplitude each in X, Y, and Z directions for 2 h |
| Shock Resistance | Destruction: 500 m/s2 |
| Degree Of Protection | IP64 |
| Material | Case: ABS resin Lens: Acrylic resin |
The Omron EE-SPW421 is a reliable through-beam photomicrosensor equipped with a built-in amplifier, designed for accurate detection over a 300 mm range. It features a 0.5 m cable between the emitter and amplifier and a total cable length of 2 m, making it suitable for compact installations.
This sensor operates in Light-ON mode, triggering the output when the beam path is clear. It uses a modulated light source and provides an NPN open collector output with a residual voltage of 1 V max at 100 mA. With just 30 mA average current consumption and a 1 ms max response time, it ensures stable and efficient performance.
Encased in a durable ABS resin housing and rated IP64, the EE-SPW421 handles industrial conditions with ease. It includes built-in LED indicators and functions reliably across a wide temperature range, making it ideal for packaging, automation, and part detection systems.
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