This LED Light Bulb (No. SP-A3W series) is built for stable, efficient illumination across residential, commercial, and industrial environments, with multiple wattage options and broad compatibility with AC 85–240V / 50–60Hz.
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Learn more about LED efficiency from the U.S. Department of Energy and ENERGY STAR’s light bulb guide (PDF).
What Is an LED Light Bulb?
An LED (Light-Emitting Diode) light bulb converts electrical energy into light more efficiently than incandescent bulbs, which generate light by heating a filament (and wasting much of the energy as heat). In practical terms, LEDs help you reduce electricity consumption while maintaining reliable brightness and comfort.
Key Features of This LED Light Bulb
High Efficiency + Stable Light Output
Designed for stable illumination, this bulb supports a wide voltage range of 85–240V (50–60Hz), making it suitable for many regional power systems. It’s engineered for dependable performance in everyday indoor lighting.
Better Color Appearance (CRI > 80)
With CRI > 80, colors appear more natural and accurate—helpful for spaces like retail, hospitality, and offices where visual comfort matters.
Long Service Life (Up to 20,000 Hours)
A long operating life helps reduce replacement frequency and maintenance costs, especially in commercial installations. This product is rated for a 20,000-hour service life.
Material & Build
Built with a plastic + aluminum structure and high-quality optical components for durability and consistent luminous performance.
Technical Specifications
- Material: Plastic + Aluminum
- CRI: > 80
- Service life: 20,000 hours
- CCT options: 3200K / 4000K / 6000K
- Ambient temperature: -15°C to +45°C
- Power factor: ≥ 0.5
- Certifications: CE, RoHS
Wattage / Lumen / Size (SP-A Series)
Tip: choose wattage based on target brightness (lumens) and fixture size constraints.
| Model | Rated Voltage & Frequency | Power (W) | Luminous Flux (lm) | Size (mm) |
|---|---|---|---|---|
| SP-A3W | 85–240V / 50–60Hz | 3 | 276 | Φ50 |
| SP-A7W | 85–240V / 50–60Hz | 7 | 644 | Φ60 |
| SP-A10W | 85–240V / 50–60Hz | 10 | 920 | Φ65 |
| SP-A15W | 85–240V / 50–60Hz | 15 | 1380 | Φ70 |
| SP-A18W | 85–240V / 50–60Hz | 18 | 1656 | Φ80 |
| SP-A24W | 85–240V / 50–60Hz | 24 | 2208 | Φ95 |
Recommended Applications
This LED bulb is designed for a broad range of indoor lighting tasks, including:
- Residential homes: living rooms, bedrooms, kitchens
- Retail: shops, supermarkets, display lighting
- Offices: administrative buildings, meeting rooms
- Hospitality: hotels, restaurants, lobbies and corridors
- Public facilities: hallways, stairwells, common areas
LED vs Traditional Bulbs: Why LEDs Win
Traditional incandescent bulbs waste energy as heat. LEDs convert more power into usable light output, making them a popular choice for both cost savings and sustainability. For many users, the biggest benefits are:
- Lower energy consumption
- Longer replacement cycle
- Reduced heat output (often improving comfort and safety)
Explore Related Lighting Products (Internal Links)
- Browse the full lighting category: LED Light Collection
- Industrial lighting option: LED High Bay Light
- Durable surface light option: 2D LED Lamp (IP67)
FAQ
Is this LED bulb suitable for enclosed fixtures?
Yes—provided the fixture allows proper heat dissipation. For fully sealed fixtures, consider airflow and temperature rise during continuous operation.
What base type does this LED bulb use?
The product uses a standard E27 screw base (as shown in the product image), which is commonly used in many regions.
What color temperatures (CCT) are available?
This series supports 3200K / 4000K / 6000K, helping you select warm, neutral, or cool lighting based on the space and preference.
Can it work in cold environments?
Yes. The specified ambient operating range is -15°C to +45°C.
Does the bulb flicker?
It is designed for stable, flicker-free performance under normal operating conditions.
Get Pricing, Samples, or Technical Support
If you’re sourcing an energy-efficient LED light bulb for a project or wholesale order, contact us for model selection support (wattage/lumen/CCT), packaging details, and lead time.
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Compliance references (from the product page): EN 62560, EN 55015, EN IEC 61547, EN IEC 61000-3-2, EN IEC 61000-3-3, IEC TR 62778, IEC 62471, IEC 62722-2-1, IEC 62722-1, IEC 62612.