
445L-T4S1680YD Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $721.99 | Condition is Used, Allen Bradley 445L-T4S1680YD Series B Safety Light Curtain, 24VDC - USED, shipping cost = $114.30 | 100.0% |
![]() | $972.99 | Top Pick! Condition is Used, ALLEN BRADLEY 445L-T4S1680YD SERIES B LIGHT FIXTURE, shipping cost = $18.19 | 99.7% |

The Allen-Bradley 445L-T4S1680YD safety light curtain is a versatile, 24VDC-operated protective device designed to safeguard machinery and work areas from potential hazards. This model is part of the 445L series, which offers a wide range of customizable features for various applications.
The safety light curtain consists of a series of infrared beams arranged in a rectangular pattern, providing a protective field measuring 1680 millimeters in height and 310 millimeters in depth. Each beam is emitted at a frequency of 18.2 kHz, and the system offers adjustable sensing zones to accommodate different application requirements.
The Allen-Bradley 445L-T4S1680YD is equipped with a microcontroller-based control unit, which ensures fast response times and high reliability. It features a self-diagnostics function, allowing users to identify any faults or malfunctions within the system quickly. Additionally, the system supports various communication protocols, such as DeviceNet, ControlNet, and EtherNet I/P, enabling seamless integration with various control systems.
This safety light curtain comes with adjustable sensitivity and adjustable guard zone functions, which enable users to fine-tune the protective field to suit their specific application needs. It also offers a configurable safety function "S" for use in applications where a redundant safety system is required.
The Allen-Bradley 445L-T4S1680YD safety light curtain is designed for easy installation and integration into machinery and work areas. It comes with a mounting rail and various mounting brackets to accommodate different installation configurations. The system's compact design and modular construction make it suitable for use in a wide range of industries and applications, including manufacturing, automotive, and food processing.
The safety light curtain's housing is made of high-quality, impact-resistant polycarbonate material, ensuring durability and resistance to harsh environments. It also features a large, easy-to-read display, which provides essential system information, such as status indications and diagnostic messages.
In summary, the Allen-Bradley 445L-T4S1680YD safety light curtain is a versatile, 24VDC-operated protective device designed to safeguard machinery and work areas from potential hazards. It offers a wide range of customizable features, fast response times, and high reliability, making it suitable for various applications in various industries. With its adjustable sensitivity, adjustable guard zone functions, and support for various communication protocols, this safety light curtain is an essential component for any safety-critical application.
The Allen-Bradley 445L-T4S1680YD safety light curtain is a 24VDC model designed to protect machinery from unintended operation or personnel entry, ensuring safety in industrial automation applications. Let's discuss the pros and cons of investing in this safety light curtain.
Pros:1. Versatile: The Allen-Bradley 445L-T4S1680YD safety light curtain is suitable for a wide range of applications due to its adjustable protective field width, which allows for customization to specific machine guarding requirements.
2. Reliable: This safety light curtain features a robust design, making it resilient against harsh industrial environments, ensuring reliable operation over extended periods.
3. Flexible installation: The unit can be installed in various orientations (horizontal, vertical, or angled), offering greater flexibility in the design and layout of safety systems.
4. User-friendly: The Allen-Bradley 445L-T4S1680YD safety light curtain comes with an intuitive setup and configuration software, making it easy for users to set up and adjust the protective field to meet their specific application needs.
5. Safety enhancements: The safety light curtain includes advanced features, such as a test function, which allows users to verify the protective field's integrity without stopping production, ensuring continuous operation.
Cons:1. Cost: The Allen-Bradley 445L-T4S1680YD safety light curtain may be more expensive compared to some other models in the market due to its advanced features and high-quality components.
2. Complexity: The safety light curtain's advanced features may require a higher level of expertise to configure and install, which could result in additional costs for hiring a professional or investing in training resources.
3. Power consumption: As a 24VDC device, the Allen-Bradley 445L-T4S1680YD safety light curtain may consume more power compared to its AC counterparts, increasing energy costs in the long run.
Conclusion:The Allen-Bradley 445L-T4S1680YD safety light curtain offers numerous advantages, including versatility, reliability, flexibility, user-friendliness, and advanced safety features. However, its potential drawbacks include a higher cost, complexity, and power consumption.
If the application demands a high level of safety and customization, or if the user can absorb the additional costs, the Allen-Bradley 445L-T4S1680YD safety light curtain is an excellent choice for ensuring industrial safety and reducing potential risks. On the other hand, if the budget is tight or the application requirements are more basic, other, more cost-effective safety light curtain options may be more suitable. Ultimately, the decision depends on the specific application needs and the resources available.
Details:
Ups next day am. Prices for these options may differ from standard ground shipping. Ups 2 day air am. The cost of combined shipping depends on weight, location buyer and size box.
Allen Bradley 445L-T4S1680YD series b safety light curtain, 24vdc. Used, unable to test. These services include: ups 3 day select.
These services include item is sold as pictured.
specifications faclighting:
- brand: Allen Bradley
- mpn: 445l-t4s1680yd
- part type: Light Curtain
shipping faclighting:
- type: calculated
- class: standard, one-day
- carrier: ups
- transit: 2-5 days
- service: ups ground, ups next day air
general faclighting:
- category: Business & Industrial > Maintenance Safety > Facility > Lights Lighting
returns faclighting:
- policy: returns accepted
- time: 30 days
- method: money back
- paid by: buyer
payments faclighting:
- credit card: diners-club
- check
- wallet: paypal
- money order
- other
seller faclighting:
- city: kawkawlin, michigan
- rating: 100.0%
- # reviews: 24455
offer faclighting:
- availability: in stock
- options: ship-to-home
- prices: $721.99–$972.99
- item condition: Used
- best offers: true
- sold #: 19
- started: november 13, 2025
- in stock #: 2
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- 13IP65: LIGHT, Allen Bradley

