LED power supply | Helvar LL1x10-42-E-CC 42W Constant Current LED driver 120-350mA

LED Power Supply Helvar LL1X10-42-E-CC 42W (CC)

Full Product Description

Below are the key technical specifications for the LL1X10-42-E-CC 42W Constant Current LED Power Supply.

Technical Specifications

LED Power Supply (LL1X10-42-E-CC) Constant Current – Technology and Performance

This 42W constant current led power supply (LL1X10-42-E-CC) is a high-quality, reliable component solution. It ensures a stable and precise constant current output, which is essential for maximizing the stability and long lifetime of LED modules. The device features outstanding efficiency, reaching up to 94%. High efficiency is vital for minimizing internal heat loss, especially when the unit is used in built-in applications.

This led power supply operates across a wide AC input voltage range from 198 VAC to 264 VAC. Furthermore, its high Power Factor (PF) of 0.98 at full load ensures excellent energy utilization. The unit is also suitable for use with DC power sources.

Precise Current Adjustment

A key feature of this product is the ability to precisely adjust the output current. While the default current is 120 mA, users can set it up to 350 mA. Current adjustment is managed by connecting an external resistor to the Rset terminal. To achieve maximum output accuracy (± 5%), selecting a quality low tolerance resistor is highly recommended. This 42W constant current flexibility makes integration into various lighting projects simple.

LED Power Supply Electronic Protection Mechanisms

This 42W led power supply incorporates professional, integrated protection mechanisms. These include essential safeguards against output short circuits and open circuit conditions. When an open load is detected, the power supply limits the output voltage to Uout (max) (abnormal) 400 V. The device is also engineered to withstand overload conditions.

The unit is classified as a protective Class I device. If integrated into Class I luminaires, the protective earth cable must always be connected to ensure safety. The device has also been tested for high resilience against voltage surges (up to 2 kV L-GND) and fast transients (2 kV).

Light Quality and Extended Longevity

This product adheres to stringent standards regarding emitted light quality. The current ripple is exceptionally low (< 2%), ensuring compliance with the IEEE 1789 recommendation, thereby mitigating flicker risks. Its long expected lifetime, up to 100,000 hours at a case temperature (tc) of 65°C, makes it a reliable and economical choice for sustained operation.

FAQ

Q: Is the output section isolated?
A: No, the output section is non-isolated.

Q: Which type of miniature circuit breaker (MCB) is recommended?
A: Type C MCBs are strongly recommended for use with this lighting system.

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