Description
1. Product Title
2. Full Model Code Decoding
- 450L: GuardShield POC safety light curtain product series
- B: Basic version (simple ON/OFF output, no laser alignment, no muting/cascading function)
- 4: Safety Category 4 / PL e highest safety level
- H: 30mm resolution for hand detection (F=14mm finger detection)
- N: Standard M12 plug connection
- 0450: Effective protective height = 450 mm
- YD: Standard housing & accessory configuration suffix
Product Overview
450L-B4HN0450YD is Rockwell Allen‑Bradley basic type Category 4 safety light curtain, made in Germany. It adopts patented bidirectional transceiver design: single bar can be set as transmitter or receiver via separate plug-in terminal module, reducing spare part inventory.
It creates a 450mm tall infrared protection light grid with 30mm beam spacing, used to detect human hand intrusion into dangerous machine zones, immediately sending stop signal to safety relay/PLC to cut machine power, complying with ISO 13849 machinery safety standard.
Compact 30×30mm slim aluminum housing, IP65 dust/water resistance, widely applied on automated production equipment for personnel injury prevention.
3. Core Technical Specifications
- Brand: Allen‑Bradley (Rockwell Automation)
- Model: 450L-B4HN0450YD
- Warranty: 1 Year
- Lifecycle Status: Active, available for new orders
- Safety Grade: Category 4, PL e, SIL 3
- Detection Resolution: 30mm (Hand protection)
- Protective Height: 450 mm
- Max Sensing Distance: 0.3 ~ 18 meters adjustable via DIP switch
- Power Supply: 24VDC (19.2–28.8VDC)
- Output Type: PNP safety solid-state OSSD dual-channel safety output
- Connection: M12 5-pin circular connector
- Housing Size: 30mm width × 30mm depth × 484mm overall length
- Protection Rating: IP65
- Operating Temperature: -10°C ~ +55°C
- Origin: Germany
- Certifications: CE, UL, TÜV, ISO 13849, IEC 61496
- Remark: Requires 1 set of plug-in modules (transmitter + receiver) for complete light curtain system
4. Key Features
- Reversible transceiver: One unit works as either emitter or receiver, flexible stocking
- Dual OSSD safety outputs, short-circuit & cross-wire fault self-monitoring
- DIP switch configurable: scan range, auto/manual restart, EDM external device monitoring
- LED diagnostic indicators for power, blockage, fault status
- Side mounting brackets included for easy cabinet/machine frame installation
5. Application Scenarios
- Packaging & Conveying Equipment
Guard press stations, carton folding mechanisms, robotic pick-and-place working areas to stop motion when operator’s hand enters the danger zone.
- Plastic Injection Molding Machines
Install beside mold clamping area to prevent pinching accidents during mold opening/closing cycle.
- Automated Assembly & Stamping Machinery
Safety perimeter protection for punching, cutting, riveting and automated fixture stations in automotive component workshops.
- Legacy Safety System Retrofit
Direct replacement for old AB 445L light curtains with identical mounting hole layout.
Your AB Safety Series Summary
- 450L-B4HN0450YD: 450mm height, 30mm hand detection, Cat.4 basic safety light curtain
- Higher-end counterpart: 450L-E series (with laser alignment, muting, EtherNet/IP communication)
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