Keyence
- Available:
- 1 pc.In-StockUpdated at: 09-09-2026
- Offer from:
Trusted supplier — United States, member since 2022, 50–99 employees- Warranty:
- 2 months
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Keyence LV-21A
Keyence LV-21A Amplifier Unit, Main Unit, NPN
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Manufacturer catalogue image
Product Description
The Keyence LV-21A Amplifier Unit is a main unit designed for NPN output applications. This high-performance amplifier offers fast response speeds with multiple modes including FINE, TURBO, and SUPER TURBO, making it suitable for various industrial automation tasks. The unit features NPN open-collector control outputs with a maximum of 40 VDC and 100 mA, ensuring reliable operation in demanding environments.
Engineered for durability, the LV-21A includes reversed polarity protection, over-current protection, and surge absorption. It supports expansion with up to 7 additional units, providing flexibility for complex systems. The unit operates efficiently with a power voltage range of 12 to 24 VDC and low power consumption.
Constructed from robust polycarbonate, the LV-21A is designed to withstand harsh conditions with an ambient temperature range of -10 to +55 °C and relative humidity of 35 to 85% RH. This amplifier unit is ideal for applications requiring precise control and high-speed response in industrial automation.
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Offer details
- Best offer from:
- Trusted supplier — United States, member since 2022, 50–99 employees
- Availability:
- 1 pc.In-StockUpdated at: 09-09-2026
- Warranty:
- 2 months
- Condition:
- Used
Used - A previously used item with possible signs of cosmetic wear. It is fully operational and functions as intended, though the original packaging may be missing.
The Seller is responsible for shipping the product and invoicing
Specifications
- Brand
- Keyence
- Model
- LV-21A
- Type
- NPN output
- Main unit/Expansion unit
- Main unit
- Output type
- NPN open-collector x 2 channels
- Maximum voltage
- 40 VDC
- Maximum current
- 100 mA
Available Offers
(6)
Keyence
- Available:
- 4 pcs.On RequestUpdated at: 22-08-2026
- Offer from:
Trusted supplier — Romania, member since 2023, 1–4 employees
Keyence
- Available:
- 4 pcs.In-StockUpdated at: 09-09-2026
- Offer from:
- Trusted supplier — United States, member since 2023
- Warranty:
- 12 months
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Documents
Data Sheet
Datasheet for Keyence LV-21A, including specifications and features.
Download Data Sheet
TracePartsCAD Models
3D CAD model and technical drawings, ready for your design software.
Download CAD Model
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