Description
KEYENCE LV-21A
Compact KEYENCE laser sensor amplifier delivering stable, high-speed object detection for automated equipment.
| Brand | KEYENCE |
| Model | LV-21A |
| Voltage | 12-24V DC |
| Country of Origin | Japan |
| Weight | Approximately 65 g |
| Dimensions | 30 x 65 x 70 mm |
| Warranty | 6 months |
| Certifications | CE, UL, CSA |
| SKU / MPN | LV-21A |
| What’s in the box | LV-21A laser sensor amplifier, mounting accessories, instruction manual |
| Sensor Compatibility | Compatible with KEYENCE LV series sensor heads |
| Sensing Method | Laser-based photoelectric detection |
| Response Time | Approximately 1 ms |
| Output Type | NPN transistor output |
| Supply Voltage | 12-24V DC |
| Mounting | DIN rail or panel mounting |
Key benefits: Fast response, reliable laser detection, adjustable sensitivity, compact amplifier design, and compatibility with LV series sensor heads.
Typical applications: Part presence detection, positioning, counting, conveyor monitoring, packaging inspection, and assembly automation.
Lifecycle: Established industrial product with ongoing support subject to KEYENCE regional availability.
Our Advantages
Exact match for many brands
We make replacements easy with an exact match for almost any brand.
We use OEM catalogs to match your part number
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Competitively priced
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Orders usually ship the same day
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Guaranteed for one full year
All of our New Surplus and Reconditioned products come with a 1 year warranty.
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Kevin H. –
The stepper motor is smooth and quiet. Will use this supplier again.