Energy-saving and environmentally friendly.
Featuring an aluminum heat sink housing, the lamp features a 360-degree luminous wick design. It also comes with a glass shade and is IP68 waterproof. It provides sufficient power without false claims.
Multiple voltage options are available.
It utilizes a constant-current IC power supply with a wide-voltage drive design and complies with CE and RHOS certifications.
Ship navigation lighting:
P28S light bulb is a common type of ship navigation light bulb, widely used in various types of ships such as cargo ships, passenger ships, fishing boats, and yachts.
Navigation signal lights such as mast lights, side lights, and stern lights for ships. It can provide clear visibility for drivers during nighttime navigation,
help identify the surrounding environment, and also serve as a signal light for effective communication with other ships when anchored in ports. It has corrosion resistance and impact resistance,
and can work stably for a long time in harsh marine environments such as salt spray, wind and rain.
Core Features and Details
Model and Type:
Model: P28S. This is a standard marine bulb interface model, defining the base dimensions, threads, and securing method (such as the retaining ring you described) to ensure it fits into specialized marine lamp sockets.
Type: Marine LED bulb. This means it's designed from the outset with the rigorous demands of marine environments in mind, including vibration resistance, corrosion resistance, and enhanced reliability.
Appearance and Structure (based on your description):
Lamp Base/Interface: The silver metal threaded base is the standard design for the P28S. The retaining ring next to it is crucial; once the bulb is inserted into the socket, it can be locked in place by twisting,
preventing it from loosening and falling out during vessel movement—a typical design feature for marine equipment safety.
Electrical Contacts: Gold contacts generally indicate better conductivity and oxidation resistance.
Luminous Body: The densely packed LED beads in the center of the lamp body are its core. Compared to traditional halogen lamps, LED technology offers advantages such as shock resistance, longevity, and high efficiency,
making it ideal for marine applications.
This color of light is often used for signaling or navigation lights on ships because it penetrates better in foggy or dimly lit conditions.
Electrical Characteristics - Key Information:
The 24V, 110V, and 220V mentioned here refer to the three voltages typically available for this bulb. This is because electrical system voltages vary depending on the size of the vessel:
24V DC: Very common, used for direct current systems on small and medium-sized yachts and sailboats.
110V AC: Commonly used for alternating current systems on some North American-standard or smaller commercial vessels.
220V AC: Commonly used for alternating current systems on large merchant ships, cargo ships, or European-standard vessels.
Main Applications:
Interior Cabin Lighting: For example, ceiling lights or reading lights in living quarters, cockpits, and galleys.
External signal and navigation lights: Such as anchor lights, masthead lights, port and starboard lights.
The yellow-green light characteristic of the bulb in your image suggests it's likely a red light for the port (port) side (actually red, but some LED chips display a different color when unpowered) or a specific signal indicator.
Machinery room lighting: Illuminating areas such as the engine compartment.
This product is a professional marine LED bulb with a P28S connector. Its metal threaded mount, LED light source, and multiple voltage options are designed to meet the high safety and reliability requirements of marine lighting,
as well as adaptability to various electrical standards.
Application:
Yachts and ships.
