- General specifications: Operating ambient temperature: 0 to 55°C 32 to 131°F (no freezing)*1 *2
- General specifications: Operating ambient humidity: 5 to 95% RH (no condensation)*1
- General specifications: Storage temperature: −25 to +75°C −13 to +167°F
- General specifications: Operating altitude: 2000 m 6561.7′ or less
Free Shipping: $50+ U.S. orders | $350+ International orders
12-Month Warranty
Hassle-Free Returns Within 30 days
Over 5,000 parts in stock
- Brand: Keyence
Keyence KV-N40DR Base Unit, DC power supply type, Input 24 points/output 16 points, relay output
Mfr # KV-N40DR
$539.85
/ea
Availability: Available to Order|Typically ships within 7–10 business days. Lead time may vary based on supplier availability.
- Free Shipping on orders over $50
- Hassle-Free 30-Day Returns
- 12-Month Warranty for all products
- Get 10% off—join our email list.
Accepted Payments
- 24 VDC Power Input: Operates on a stable 24 VDC supply (+10% / -15%) for consistent performance
- Broad Environmental Tolerance: Functions reliably in 0–55°C operating range and −25 to +75°C storage range.
- High Humidity and Altitude Ready: Handles 5–95% RH (non-condensing) and supports operation up to 2000 m (6561.7 ft).
- Durable Industrial Design: Engineered for continuous use in environments with minimal dust and corrosive gases.
The Keyence KV-N40DR is a high-capacity controller unit in the Keyence KV Series, designed to provide reliable and durable performance for industrial automation applications. With its 24 VDC input design, robust environmental specifications, and compact yet rugged build, the KV-N40DR ensures stable operation even in demanding conditions. It is ideal for engineers who need dependable performance and long-term system reliability.
A key feature of the KV-N40DR is its 24 VDC power input, operating with a tolerance of +10% / -15%. This stable DC supply design ensures reliable operation, even in the presence of minor voltage fluctuations. The use of low-voltage DC power not only enhances system safety but also provides compatibility with modern industrial infrastructures where 24 VDC power distribution is standard.
The unit is engineered for environmental adaptability, with an operating temperature range of 0 to 55°C (32 to 131°F). This wide range allows it to perform effectively in climate-controlled environments as well as warmer shop-floor conditions. For long-term reliability, the unit also supports a storage temperature range of −25 to +75°C (−13 to +167°F), ensuring durability during transport, warehousing, or periods of downtime.
Another strength of the KV-N40DR is its high humidity tolerance, operating effectively at 5 to 95% RH (non-condensing). This makes it a versatile option for facilities with variable or elevated moisture levels, provided condensation is avoided. Coupled with its specification for environments with minimal dust and corrosive gases, the KV-N40DR ensures stable long-term performance in clean industrial settings.
The unit also supports altitude operation up to 2000 m (6561.7 ft), making it suitable for facilities located in elevated regions. This ensures that engineers can deploy the KV-N40DR in a broader range of installations without compromising system reliability.
Physically, the KV-N40DR is designed with a compact yet rugged build, allowing for easy integration into control panels while providing the durability required for continuous industrial operation. Its construction reflects Keyence’s commitment to long-lasting, reliable automation solutions that reduce downtime and maintenance needs.
In practical applications, the KV-N40DR is an excellent fit for industries such as manufacturing, assembly automation, packaging, and process control. With its combination of stable DC power, broad environmental tolerance, and durable construction, it provides engineers with a strong foundation for building scalable and efficient automation systems.
In summary, the Keyence KV-N40DR delivers a robust mix of stable 24 VDC operation, wide environmental adaptability, high humidity and altitude readiness, and durable design. As part of the KV Series, it integrates seamlessly with other modules, making it an indispensable solution for reliable and long-term industrial automation.
| Manufacturer | Keyence |
|---|
Related Products
We’re Always Ready to Assist You
Submit A Request
Reach us through our form.
Give Us A Call
Connect with a representative.
Live Chat
Chat live with our support team.

Reviews
There are no reviews yet.