SPECLED Unlimited Board UB603 V2 LED Module for Plant Lighting
Specifications
| LED manufacturer: | Seoul Semiconductor |
| Wavelength / Temperature: | 3500K |
| LEDs: | 3500К/5000K/660nm/450nm |
| Color rendering index - CRI: | 88+ |
| Viewing angle: | 115° |
| Supply voltage: | 49-54V |
| Rated current: | 3000mA |
| Maximum forward current: | 7000mA |
| Power: | 51W@1050mA, 107W@2100MA, 160W @3000mA, 250W@4500mA |
| Recommended maximum power: | ≤ 220W @4.0A |
| Size: | 285x175mm |
| Weight: | 0.11kg |
Full Description
Professional Quantum Board Unlimited Board UB603 V2
The Unlimited Board UB603 V2 is an innovative LED grow module (quantum board) designed for professional plant lighting in grow tents and hydroponic systems.
- Dual Spectral Modes: Features a "Vegetative" mode (450nm + 660nm) for vigorous foliage growth and a "Bloom" mode (660nm + 660nm) for maximum yield. Switching between modes is simple and requires no additional power supplies.
- Dimming Support: Fully supports standard dimming for precise control over light intensity at different stages of growth.
- Superior Performance: Compared to classic LED panels based on the Samsung LM301H, this module offers an impressive 100W power reserve. This provides an enormous safety margin, reduced heat output, and a significant boost in efficacy (PPE).
The Unlimited Board UB603 V2 LED grow panel can be operated without a heatsink strictly at power levels not exceeding 50W. However, to maximize efficacy and significantly extend the lifespan of the LEDs, we highly recommend mounting the LED module on an aluminum heatsink under all operating conditions.
Review of the updated Unlimited UB603 LED module for plants (quantum board)
Additional Information
Designing an efficient grow tent requires professional solutions. The Unlimited Board UB603 V2 LED module for plant lighting is the answer for growers who need a reliable and flexible light source. Unlike standard matrices, this quantum board offers a unique architecture with a massive number of semiconductor crystals, radically changing the approach to thermal management, diode wear, and overall system efficacy.
Why do experienced growers choose the UB603 V2? The secret lies in smart load distribution (underdriving). By supplying a lower driving current to a larger number of Seoul Semiconductor chips, the board generates maximum photons with minimal heat. Even a popular Samsung quantum board often falls short of this solution in terms of safety margin, as the UB603 V2 has a colossal power reserve of 100W. This means that at an operating range of 50-70W, the board experiences almost no wear, guaranteeing years of stable spectrum without crystal degradation.
The switchable "Veg/Bloom" modes make the UB603 V2 a versatile tool. This is ideal hydroponic lighting, as well as for aeroponics and classic soil cultivation. You decide when to provide the plant with the blue spectrum (450nm) to build a strong stem and an excellent root system, and when to apply a powerful red boost (660nm) to form dense flowers and heavy yields. Seoul Semiconductor chips represent world-class premium quality from a Korean manufacturer, ensuring flawless results.
Frequently Asked Questions
Every LED module has two power parameters: nominal power (nominal current) and maximum power (maximum current). To ensure the maximum lifespan of the SPECLED Unlimited Board UB603 V2 LED Module for Plant Lighting, we recommend operating the LED module at its nominal power. Although the module is capable of handling high loads, running it in a "conservative" mode significantly reduces thermal degradation of the crystals and the phosphor layer, allowing the module to maintain its original brightness over many years of intensive use. Please note that when operating the LED grow module at its maximum rated current, it is critical to ensure highly efficient heat dissipation. Failure to comply with this requirement will lead to rapid LED degradation and premature module failure.
Yes, SPECLED Unlimited Board UB603 V2 LED Module for Plant Lighting has a carefully balanced full-spectrum that covers the plant's needs at all stages, from vegetation to flowering and fruiting. White LEDs provide the plant with the energy it needs for dense vegetative growth, and the addition of red light (Deep Red 660nm) maximizes photosynthesis and fruit formation during flowering and/or fruiting.
No, the use of traditional thermal paste for mounting the SPECLED Unlimited Board UB603 V2 LED Module for Plant Lighting is not required. The module board must be in tight and uniform contact with the heatsink. The heatsink surface should be free of deep scratches or pitting. Meeting these requirements is sufficient to ensure efficient heat dissipation from the LED grow module to the heatsink.
Connecting SPECLED Unlimited Board UB603 V2 LED Module for Plant Lighting does not require a soldering iron. The module is equipped with reliable quick-release push-in terminals. For safe installation, simply use stripped, single-core copper wire (recommended cross-section: 0.5–0.75 mm²). These connectors allow for quick and easy assembly of multiple modules in both series and parallel configurations, thanks to two dedicated connectors on each LED module.
SPECLED Unlimited Board UB603 V2 LED Module for Plant Lighting is designed on an aluminum board with high thermal conductivity. When operating at minimum and nominal currents, passive heat dissipation is sufficient. However, when applying maximum current (overdriving), we strongly recommend mounting the module on a specialized aluminum heatsink profile; ideally, the junction temperature should not exceed 85°C. This guarantees an LED lifespan of over 50,000 hours without lumen depreciation. To accurately calculate the required cooling area, you can use our interactive heatsink area calculator↗ (instructions included in the article).
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