Helios WLS City High-Pressure Sodium Lamp E40 400W 56500lm 2000K 230V

The Helios WLS City high-pressure sodium lamp is a professional lighting solution engineered for demanding outdoor and industrial environments. With a power rating of 400W and an E40 base, this lamp delivers a powerful luminous flux of 56500lm, ensuring excellent visibility and safety in large-scale areas. Its warm 2000K color temperature provides high-contrast illumination, making it a reliable choice for infrastructure projects that require consistent and long-lasting light output.

Advantages

This high-pressure sodium lamp stands out due to its exceptional energy efficiency and extended service life of 33000 hours, which significantly reduces maintenance frequency and operational costs. The robust construction ensures stable performance even in challenging weather conditions, while the high luminous efficacy makes it an ideal candidate for large-area lighting where brightness and reliability are paramount. Its standardized E40 base allows for seamless integration into existing professional lighting fixtures.

Suitable for

• Street and road lighting
• Industrial facility illumination
• Large parking areas and logistics centers
• Public squares and urban infrastructure

When it may not be suitable

This lamp is not recommended for indoor residential use due to its high power output and specific color temperature, which may be too intense for living spaces. It is also unsuitable for applications requiring high color rendering accuracy, as the sodium spectrum is optimized for efficiency rather than color precision.

Key specifications

• Power: 400W
• Base type: E40
• Luminous flux: 56500lm
• Color temperature: 2000K
• Voltage: 230V
• Service life: 33000 hours

How to use

Installation should be performed by a qualified professional to ensure safety and compatibility with the existing electrical system. The lamp must be inserted securely into an E40 socket within a compatible luminaire designed for high-pressure sodium lamps. Ensure that the ballast and igniter used in the lighting fixture are rated for the specific power requirements of this 400W lamp to prevent premature failure or electrical hazards.

What to consider before purchase

• Verify that your existing fixture is compatible with the E40 base and 400W power rating.
• Ensure the ballast in your lighting system is compatible with high-pressure sodium technology.
• Consider the warm 2000K color temperature for your specific application requirements.

Usage recommendations: For optimal performance and longevity, avoid frequent switching cycles and ensure the lamp is operated within a properly ventilated luminaire to maintain stable thermal conditions.