Description
Allen-Bradley 450L-B4HN0450YD operates as an advanced, integrated transceiver safety light curtain designed for industrial personnel protection. Unlike traditional transmitter/receiver pairs, this GuardShield 450L system utilizes patented technology where each stick functions as a universal transceiver. Two identical modules are configured as a transmitter and receiver pair on-site via specialized plug-in modules, protecting hazardous machine access zones while simplifying parts management.
Are you resolving an active safety interlock fault or retrofitting a robotic cell gating layout? We maintain immediate inventory for this precise safety light curtain configuration.
- Availability: In Stock
- Lead Time: Ships within 1 to 2 business days via worldwide air express
- Condition: New Original in Factory Sealed Box
- Warranty: 12-Month Industrial Safety Components Warranty
- Pricing Note: The pricing listed on our platform serves as a general industry reference point. Real-time component availability, global manufacturing lead times, and shipping demands directly influence spot market pricing. Reach out to our specialized trade desk to get an official, binding quote.
Technical Specifications and Optical Profile
In field deployments across automated assembly cells and packaging lines, our safety systems engineers found that the compact housing allows for true no-blind-zone vertical mounting—though your mileage may vary depending on the alignment rigidity of your structural aluminum framing profiles. The front optical window features an integrated laser alignment tool indicator path to streamline commissioning.
Core Safety and Performance Parameters
| Parameter | Value |
| Model Number | 450L-B4HN0450YD |
| Product Line | GuardShield 450L (GuardLink Enhanced) |
| Resolution Type | Hand Detection, 30 mm (1.18 inches) |
| Protective Height | 450 mm (17.7 inches) |
| Number of Beams | 24 optical channels |
| Operating Range | 0.5 to 16.0 meters (1.6 to 52.5 feet) |
| Safety Type Rating | Type 4 (IEC 61496), SIL CL3 (EN 62061), PLe Cat 4 (EN ISO 13849-1) |
| Response Time | 11 ms base execution speed |
| Enclosure Rating | IP65 / IP67 rugged aluminum profile |
Well, technically the stick can function as either a transmitter or a receiver, but only if you insert the correct, dedicated bottom plug-in module (such as the 450L-APR-ON-5 or 450L-APD-LNK-5). If you mate two sticks configured with identical plug-ins without assigning one as the receiver master through the DIP switch settings, the safety bus will throw an initialization fault. Do not overlook this hardware pairing step during hot-swaps on production lines.
System Architecture and Integration Interface
Connecting the 450L-B4HN0450YD to a GuardLink safety network or a standalone safety relay relies on the plug-in cartridge architecture located at the base of the aluminum frame.
[ GuardShield 450L-B4HN0450YD Stick ]
│
[ Removable Bottom Plug-In ]
/ | \
/ | \
(M12 5-Pin) (M12 8-Pin) (GuardLink Link)
/ | \
[Basic On/Off Relays] [Muting/EDM Control] [Smart Safety Tap Node] The smart design places all the configuration intelligence directly inside the removable bottom plug-in. This means if a fork-truck physically strikes and damages the main light curtain body, you can slide out the existing plug-in, slide it into a new 450L-B4HN0450YD stick, and the system restores itself without requiring re-programming via software. When tightening the plug-in retention screw, make sure it is hand-tightened completely. If the sealing gasket is misaligned, fine particulate dust can creep inside and break the internal serial bus path.
Cross-Border Shipping, Trade Regulations, and Logistics
Transporting Category 4 optical safety equipment across global borders demands detailed compliance verification due to regional machinery safety mandates. Because these components protect human operators from hazardous machine motion, customs offices verify factory authenticity carefully.
Protective Boxing and Optical Layer Guarding
Every 450L-B4HN0450YD transceiver stick is shipped with a temporary protective film covering its acrylic lens array to prevent abrasions. Units are packed in structural, heavy-gauge cardboard sleeves lined with high-density foam dampening buffers to shield internal mirror alignments during overseas air cargo distribution.
Global Trade Compliance Metrics
Our logistics network avoids processing holds by providing verified electronic data files directly to clearance centers:
- Harmonized Tariff Schedule (HS Code): 8541.43.0000 (Photosensitive semiconductor devices, including photovoltaic cells whether or not assembled in modules)
- Export Control Classification Number (ECCN): EAR99
- Standard Records Provided: Detailed commercial invoices, itemized packing slips with gross weights, and official Manufacturer Certificates of Origin (COO) upon request.
Frequently Asked Questions
What is the advantage of the 30 mm hand detection resolution?
The 30 mm resolution strikes an optimal balance between safe separation distance and cost for mid-sized machinery zones. It ensures that an operator’s hand cannot pass through the optical plane undetected, allowing the safety light curtain to be mounted closer to the hazard point than a coarser 55 mm body-protection system.
Can this specific model be used for cascade (master/slave) configurations?
No. The “YD” suffix indicates a standard integrated model designed for standalone or smart GuardLink node wiring. If your safety system requires interlocking multiple light curtains in a series chain (cascaded), you must select the specific “C” designated cascade-ready variants which feature a top-end connector receptacle.
Which express logistics carriers are available for emergency machine-down situations?
We partner daily with premier express networks including DHL Express, FedEx Priority, and UPS Worldwide Saver. Automated digital tracking links are compiled and sent to your procurement team immediately following checkout, enabling real-time monitoring of your replacement components directly to your plant floor.
