Osram Substitube 17.5W 4000K 4FT EM T8 Tube

OSRAM 17.5W 4FT LED T8 tube

The OSRAM SubstiTUBE Advanced EM T8 17.5W LED Tube (4099854035470) is a high-efficiency 4ft (1200mm) LED replacement for traditional fluorescent T8 lamps. Designed for use with electromagnetic control gear (EM ballast), it offers easy plug-and-play installation without rewiring.

Delivering around 2100 lumens of cool white (4000K) light, this tube provides bright, uniform illumination ideal for offices, retail spaces, and industrial environments. It features glass construction, instant start, and up to 50,000 hours lifespan, ensuring long-term performance and reduced maintenance.

Product Type

Type: LED T8 Tube (EM / Magnetic Ballast Compatible)

✔ Direct replacement for fluorescent tubes
✔ Works with starter (EM ballast)
✔ No rewiring required

Key Features

• 17.5W LED (replaces ~36W fluorescent)
• 4000K cool white light (office standard)
• ~2100 lumens brightness
• 220–240V AC operation
• Plug & play with EM ballast (starter included)
• Mercury-free & eco-friendly
• Glass tube with G13 base
• Instant-on, no flicker
• Up to 50,000 hours lifespan
• Up to 60% energy savings vs fluorescent

Technical Specifications

Applications

• Offices & commercial spaces
• Retail stores & supermarkets
• Parking areas
• Warehouses
• Schools & hospitals

Benefits

• Energy saving up to 60%
• Easy retrofit (no rewiring)
• Uniform bright illumination
• Eco-friendly (no mercury)
• Long lifespan reduces replacement cost

Quick Understanding

• Type → LED T8 Tube (EM compatible)
• Size → 4FT (1200mm)
• Light → 4000K cool white