Led Module, 21 Series, tr4, if (1 Uni)
Best red indicator light for custom electronic signaling projects.
Illuminate your projects with this essential LED Module from the reliable 21 Series, featuring the TR4 model. Designed for clear visual signaling, its distinct red indicator light ensures visibility in various applications. Supplied individually, this module offers flexibility for your specific needs. Built for dependable performance, it's a key component for integration where a bright, clear red light signal is crucial. Experience straightforward functionality and reliable integration within its designated series, making it a practical choice for signaling requirements.
$122.92
Owner Satisfaction
4.7
/ 5
Category Rank
20
/ 587
#20 in Diodes
Price vs Category Average
+76%
Above average
Series
21
/ Series
Who it's for
- Budget-conscious facility managers seeking lower long-term utility expenses
- Maintenance teams wanting to minimize frequent lighting replacement labor
- Designers needing flexible lighting for compact or custom installations
Who should skip it
- Buyers prioritizing low upfront costs over long-term savings
- Installers lacking the resources for proper thermal management systems
- Users who prefer universal compatibility with generic hardware components
Performance breakdown
Signal Clarity
The red output provides sharp, unmistakable visual feedback for critical signaling.
Build Reliability
Engineered for consistent, long-term performance in demanding industrial environments.
Integration Ease
Standardized TR4 configuration ensures a seamless fit within the 21 Series.
Component Versatility
Individual unit supply allows for precise scaling of custom lighting arrays.
Luminous Consistency
Maintains steady, flicker-free illumination across varied voltage inputs.
Durability
Robust construction protects internal diodes against common operational wear.
Key Specs
Series
21 Series
Model Type
TR4
Color Temperature
Red
Quantity Supplied
1 Unit
Diode Type
LED
Special Features
High Reliability
Features
- Part of the robust 21 Series line
- TR4 configuration type
- Provides a clear red indicator light
- Sold individually for project flexibility
- Designed for reliable signaling
- High reliability for critical applications
What customers say
This module earns high praise primarily for its exceptional reliability and superior build quality. Installers value the robust housing and excellent thermal management, which ensure a long operational lifespan. Users consistently report impressive brightness and stable color rendering even after extended use, a critical feature for complex installations. While the initial cost is premium, customers agree the long term value is outstanding due to reduced maintenance and labor needs. The consensus is that this is a durable, high performance solution meeting demanding professional specifications, fostering strong loyalty among its target market.
Know before you buy
This module is specifically engineered for integration within the 21 Series ecosystem. While it may function in other setups, we recommend using it within its designated series to ensure proper fit and electrical compatibility.
The TR4 configuration is designed primarily for visual signaling. It provides a clear, consistent red light, making it ideal for status indicators, warning lights, or any application where a reliable alert signal is required.
No, the module is supplied as a single unit without additional mounting hardware or wiring. You will need to provide the necessary connections and housing appropriate for your specific project requirements.
This module is built with high-reliability standards specifically for critical signaling applications. It is designed to maintain consistent performance and longevity in environments where signal failure is not an option.
Yes, it is designed for dependable performance and can be used for continuous signaling. However, ensure your power supply matches the module's specifications to maintain its expected lifespan.
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