- Functional principle: Photoelectric retro-reflective sensor
- Functional principle detail: With minimum distance to reflector (dual lens system)
- Dimensions (W x H x D): 27 mm x 92 mm x 70 mm
- Housing design (light emission): Rectangular
- Sensing range max.: 0.03 m … 22 m 1)
- Sensing range: 0.03 m … 15 m 1)
- Ultra-long sensing range with visible red LED: Detects objects from 0.03 m up to 22 m, and can reach up to 15 m with reflector PL80A.
Free Shipping over $50 For Domestic Shipping
12-Month Warranty
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Over 5,000 parts in stock
- Brand: SICK
Sick 1027858 Photoelectric retro-reflective sensor
Mfr # 1027858
Condition: New
*Some photos may appear used, but your item will be delivered in new, unused condition.
$299.57
/ea
Availability: In stock|Ships in 30 business days
- 100% Original
- Ships from USA; Free Shipping on orders over $50
- Hassle-Free 30-Day Returns
- 12-Month Warranty for all products
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Images on this website are for illustration and reference purposes only and may differ from the actual product.
- Ultra-long sensing range with visible red LED: Detects objects from 0.03 m up to 22 m, and can reach up to 15 m with reflector PL80A.
- Dual-lens optical system for precise detection: Utilizes a dual-lens system to achieve accurate and reliable detection over extended distances.
- Adjustable sensing range via potentiometer: Allows fine-tuning of the sensing range to suit specific application requirements.
- Robust design with IP67 enclosure rating: Constructed with a durable ABS plastic housing and an IP67 rating, offering protection against dust and water ingress, suitable for demanding industrial environments.
The SICK WL34-B430S03 is a high-performance photoelectric sensor designed for retro-reflective applications in industrial automation. Part of the W34 series, this sensor combines advanced optical technology with a rugged design, making it ideal for precise detection tasks in challenging environments.
Extended Sensing Range
One of the standout features of the WL34-B430S03 is its impressive sensing range. Capable of detecting objects from 0.03 m up to 22 m, and up to 15 m with the reflector PL80A, it offers exceptional versatility for various applications. This extended range ensures reliable detection over long distances, reducing the need for multiple sensors in large setups.
Dual-Lens Optical System
The sensor employs a dual-lens optical system that enhances its ability to detect objects accurately over extended distances. This system minimizes the effects of ambient light and ensures stable performance, even in challenging lighting conditions. The result is precise and consistent detection, critical for high-speed industrial processes.
Adjustable Sensing Range
To accommodate different application requirements, the WL34-B430S03 features an adjustable sensing range via a potentiometer. This allows users to fine-tune the sensor’s detection distance, providing flexibility to meet specific needs. Whether it’s for detecting small objects at close range or large items at a distance, this adjustability ensures optimal performance.
Robust and Durable Construction
Built to withstand harsh industrial environments, the WL34-B430S03 boasts a robust ABS plastic housing with an IP67 enclosure rating. This design offers protection against dust and water ingress, ensuring reliable operation even in challenging conditions. The sensor’s durability reduces the need for frequent maintenance and extends its service life.
Versatile Switching Modes
The WL34-B430S03 supports both light and dark switching modes, selectable via the L/D control cable. This versatility allows the sensor to be adapted to different application needs, enhancing its adaptability in various automation systems.
Conclusion
The SICK WL34-B430S03 photoelectric sensor offers a combination of extended sensing range, advanced optical technology, adjustable detection distance, and robust construction. These features make it an excellent choice for applications requiring precise and reliable detection over long distances in industrial environments. By integrating the WL34-B430S03 into automation systems, industries can achieve enhanced detection capabilities and improved operational efficiency.
| Manufacturer | Sick |
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FAQ
What is your warranty policy?
All new products purchased from Enicstra LLC are backed by a 12-month warranty. We will repair any covered issue at no cost. If a repair is not possible, we will provide a full refund. For warranty support, please email customerservice@enicstra.com.
What happens if an item has a lead time longer than two weeks?
If an item requires a lead time of more than two weeks, we will notify you immediately. Your order will only be confirmed once you acknowledge and approve the lead time.
What is your returns policy?

If you are dissatisfied with the part(s) you received for any reason (subject to our Terms and Conditions), you may take advantage of our 30-day return-to-base policy, which allows you to request an exchange or a full refund.
Do you offer global delivery?

Yes, we offer reliable worldwide shipping. Our efficient logistics network allows us to process and ship orders to customers across the globe with ease and precision.
Please note: All international orders may be subject to customs duties, taxes, and import fees, which are the responsibility of the recipient. Enicstra does not collect or cover these charges.
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Enicstra partners with trusted carriers including USPS, UPS, FedEx, and DHL to ensure safe and timely delivery of every order.
We offer free domestic shipping on orders over $50. For international orders, additional shipping costs will apply based on the destination and selected carrier service.
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If you have any questions or encounter any issues with your order, please reach out to our Customer Support Team at customerservice@enicstra.com. We’re here to help and will respond as promptly as possible.
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If you wish to cancel your order, please contact us at customerservice@enicstra.com as soon as possible. All cancellation requests are subject to approval by Enicstra LLC and must comply with our Terms and Conditions.
Do you offer discounts for bulk orders?
Yes, we offer special pricing for bulk purchases. If you’re interested in ordering in large quantities, please contact us at sales@enicstra.com to discuss volume discounts and customized quotes.
What payment options and currencies do you accept?
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How long is my quote valid?

Our quotes are valid for 30 days from the date they are issued unless otherwise specified at the time of quotation.

Do you offer trade credit agreements?

Yes, we understand the importance of trade credit in business operations and provide credit agreements upon request, subject to eligibility. For more information, please contact our team.

Do you accept sales tax exemption certificates?
Yes. If your organization is tax‑exempt (e.g., reseller, nonprofit, government, educational), please email a copy of your valid exemption certificate to customerservice@enicstra.com.
Our team will review and apply the exemption to your account/orders. To avoid being charged tax, please send the certificate before placing your order (or we can refund the tax after verification if the order has already been placed).
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