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LV-21A

Keyence LV-21A Digital Laser Sensor

£373.69 inc VAT

In Stock · Delivered in 3–5 Working Days
Estimated UK delivery time, subject to order confirmation, courier services and destination. International delivery times vary.
Technical SpecificationsKeyence
Model LV21A
Type Digital Laser Sensor Amplifier (Main Unit)
Operating Voltage 12 to 24 VDC (Ripple ≤10%)
Output Type NPN Open-Collector
Weight Approx. 120 g
Response Time (Mode Dependent) FINE: 80 µs TURBO: 500 µs SUPER TURBO: 4 ms
Control Output NPN Open-Collector × 2 Channels Max Load Voltage: 40 VDC Max Load Current: 100 mA Residual Voltage: ≤1.0 V
Interference Prevention FINE: None TURBO: Up to 2 Units SUPER: Up to 4 Units
Expandable System Supports up to 7 additional expansion units (Total: 8 Units including Main)
Power Consumption Max: 1.5 W 12 V: ≤125 mA 24 V: ≤62.5 mA
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SKU: LV-21A Category: Tags: , Brand:
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Keyence LV-21A Digital Laser Sensor

The Keyence LV-21A is a main amplifier unit with NPN output , optimized for high-speed laser sensing in automation, inspection, and quality control systems. Featuring dual output channels , ultra-fast 80 µs response time , and the ability to expand up to 8 units , it offers flexible integration and stable performance in high-throughput industrial environments.

Technical Specifications

Model LV21A
Type Digital Laser Sensor Amplifier (Main Unit)
Output Type NPN Open-Collector
Weight Approx. 120 g

Output & Response Time

Control Output NPN Open-Collector × 2 Channels Max Load Voltage: 40 VDC Max Load Current: 100 mA Residual Voltage: ≤1.0 V
Response Time (Mode Dependent) FINE: 80 µs TURBO: 500 µs SUPER TURBO: 4 ms
Interference Prevention FINE: None TURBO: Up to 2 Units SUPER: Up to 4 Units

Protection & Safety Features

Standards & approvals Reverse Polarity ProtectionOvercurrent ProtectionSurge Absorption

Expansion Capabilities

Expandable System Supports up to 7 additional expansion units (Total: 8 Units including Main)

Power & Electrical Specifications

Operating Voltage 12 to 24 VDC (Ripple ≤10%)
Power Consumption Max: 1.5 W 12 V: ≤125 mA 24 V: ≤62.5 mA

Environmental Resistance

Operating Temperature -10°C to +55°C (No Freezing)
Relative Humidity 35% to 85% RH (No Condensation)

Material & Construction

Housing Material Polycarbonate

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Frequently Asked Questions

How can I check whether LV-21A is the correct replacement?

Check the operating voltage, sensing or protective range, output type, connections and required accessories against your existing installation or the relevant manufacturer datasheet.

How quickly can LV-21A be delivered?

This product is listed as in stock, with estimated UK delivery in 3–5 working days. Delivery depends on order confirmation, courier services and destination.

Where can I check specifications and compatibility?

Review the specification information above and the product’s Downloads or Data Sheets tab, where documents are supplied. Our team can help check part numbers and installation compatibility.

What warranty does Drive Outlet Megastore offer?

Drive Outlet offers its own 2-year return-to-base warranty unless otherwise stated. Manufacturer warranties may not apply; please review the Terms and Conditions before ordering.

Weight 0.12 kg

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LV-21A_Datasheet.pdf

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