Triton Blue - Daylead A450a-38028P Electronic Ballast for 5R Lamp

Triton Blue - Daylead A450a-38028P Electronic Ballast for 5R Lamp

The Daylead A450a-38028P electronic ballast is a highly engineered component, specifically designed to power and control short-arc discharge lamps, such as the renowned Philips MSD Platinum 5R (189W) and other equivalent models. This device is the heart of numerous professional lighting systems, ensuring stable performance, reliable ignition, and extended lamp life. Its primary function is to precisely regulate the current and voltage supplied to the lamp, resulting in powerful, consistent, and flicker-free light—essential for demanding applications in the entertainment industry.

Manufactured by Daylead, this model is the standard power and control unit for Triton Blue equipment, such as the Spot 5R and Beam 5R moving heads. However, its versatile design and technical specifications make it a compatible replacement or direct mount for a wide range of leading brands in the professional lighting market, including Elation, Contest, Terbly, Clay Paky, American DJ, and ACME, among others. This positions it as a reliable and universal solution for technicians and audiovisual equipment rental companies.

Main Features

• Universal Compatibility: Designed to operate with 5R type lamps, one of the most popular in the industry for its incredible relationship between size, consumption and light output.
• Stable Performance: Provides a regulated output current that ensures stable lamp operation, eliminating flicker and maintaining a constant color temperature of approximately 8000K, characteristic of 5R lamps.
• Dual Voltage Output: Offers two DC outputs (380Vdc and 28Vdc), allowing power to be supplied to both the lamp circuit and other electronic components of the lighting equipment, such as motors and control boards.
• Wide Input Range: Its switched-mode power supply accepts a universal input voltage range (100-240VAC, 50/60Hz), allowing its use in different countries and electrical grid conditions without the need for adapters.
• Robust Construction: Integrated into a metal casing that offers durability and proper heat dissipation, a key factor for reliability in intensive work environments.

Benefits for the Lighting Technician and Designer

For lighting professionals, having a quality ballast like the Daylead A450a-38028P is essential. It ensures that fixtures operate according to their design specifications, projecting crisp, powerful beams of light, including the renowned sharp-edged beam effects. Replacing a faulty ballast with this model restores full functionality to the moving head, protects the investment in expensive lamps by maximizing their lifespan, and guarantees equipment reliability during a live event, where failure is not an option.

Use Cases

This electronic ballast is an essential internal component for the repair and maintenance of a wide variety of stage lighting equipment. Its use is indispensable in:

• Beam Moving Heads: Equipment designed to project an ultra-concentrated and visible beam of light in the air, very popular at concerts and festivals.
• Spot-type Moving Heads: Luminaires that allow the projection of gobos (image templates) and effects with high definition and focus.
• Scanners and other lighting effects: Any professional lighting equipment that uses a 5R discharge lamp to generate its light source.

Frequently Asked Questions

What exactly is an electronic ballast and why is it necessary?
An electronic ballast is a device that performs two main functions for discharge lamps like the 5R: first, it provides a high initial voltage to ignite the gas arc inside the lamp; second, once ignited, it regulates the electrical current to maintain a stable light and prevent damage to the lamp. Without it, the lamp would either fail to ignite or be destroyed within seconds.

Is this ballast compatible with my moving head if it's not a Triton Blue brand?
Yes, it's very likely. The Daylead A450a-38028P is an industry-standard component. If your equipment uses a 5R lamp and the voltage specifications (input/output) and physical dimensions match, it's compatible. It has been verified for use in brands such as Elation, Terbly, and Contest.

How do I know if I need to replace the ballast in my equipment?
Common symptoms of a faulty ballast include: the lamp fails to light despite being new, the light flickers erratically, it shuts off unexpectedly after a period of use, or the unit displays a lamp error on its screen. It is recommended that diagnosis and replacement be performed by a qualified technician.

Can I use a non-5R lamp with this ballast?
No. This ballast is specifically designed for the electrical characteristics of 5R lamps (approx. 189W). Using a lamp with a different wattage or requirements could damage both the lamp and the ballast itself.

Project description

Electronic ballast with integrated switched-mode power supply, Daylead brand, model A450a-38028P. Designed for 5R discharge lamps. Universal input voltage of 100-240VAC at 50/60Hz with a maximum current draw of 6A. Provides a main output of 380VDC at 0.79A for lamp ignition and operation, and a secondary output of 28VDC at 5.36A for powering auxiliary circuits of the lighting equipment. Chassis dimensions: 220 x 83 x 210 mm.