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
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We use OEM catalogs to match your part number
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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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Mark O. –
Fast delivery and well packed. The servo drive performs exactly as specified.