01. Know your voltage
12V DC products must go through an SMPS. Only Ultra 220V, Nebula Square and Astra 220V connect directly to mains.
Support & warranty
Install it right. Keep it glowing.
Eight rules that prevent nearly every sign-lighting failure, plus how BT GLO warranty works.
Installation guide
8 rules for long-lasting signs.
Most module and power-supply failures come from wiring, overloading or water — not the product. Follow these and your signs keep glowing.
02. Load the SMPS to 80%
A 31.6A supply (about 380W) should carry about 300W of modules. Overloaded supplies run hot and fail early.
03. Check polarity
Connect positive to V+ and negative to V− exactly as marked on the module and the power supply.
04. Keep runs short
Feed long rows from both ends or in parallel branches so the far end doesn't dim from voltage drop.
05. Seal every joint
Outdoors, use waterproof connectors or heat-shrink with sealant on every connection.
06. Mount the SMPS well
Choose a ventilated spot out of standing water, with cable glands facing down so water drips away.
07. Earth & protect
Connect the SMPS earth terminal and protect every circuit — especially 220V products — with a correctly rated breaker.
08. Test before you seal
Power the layout on the panel and check spacing and evenness before closing the box.
Mains wiring is dangerous. Installation — and every direct-220V product — should be handled by a qualified electrician, following local electrical safety rules.
Warranty
Up to 5 years, against manufacturing defects.
BT GLO products carry a manufacturer's warranty against defects in materials and workmanship. Damage from wrong voltage, overloading, water entering unsealed joints or physical damage isn't covered.
Message us
WhatsApp a photo or short video of the issue with your invoice number.
We diagnose
Our team checks the installation details and the product.
Resolution
Eligible products are repaired or replaced as per warranty terms.
Warranty by product
| 2W Samsung Professional LED Module | 5 years |
|---|---|
| Vega 1.8W LED Module | 2 years |
| Apollo Samsung Korea LED Module | 2 years |
| Titan Eco LED Module | 1 year |
| Mini LED Module | 1 year |
| Ultra 220V LED Module | 1 year |
| Nebula Square DOB | 1 year |
| Nebula Square Waterproof DOB | 1 year |
| Astra Rigid DC Bar | 1 year |
| Astra DC Waterproof Rigid Bar | 1 year |
| Astra Direct 220V Rigid Bar | 1 year |
| Aurora Pixel Light | 2 years |
| Nova Pixel Light | 1 year |
| Comet Power Supply | 1 year |
| Stellar ECO Power Supply | Ask us |
| Stellar Power Supply | 1 year |
| StellarX Power Supply | 2 years |
| Stellar Aqua Power Supply | 2 years |
| Lunar Power Supply | 2 years |
| Square LED Tubelight | Ask us |
| Round LED Tubelight | Ask us |
Warranty periods as published in the BT GLO catalogue and launch material. Keep your invoice — it's needed for any claim.
FAQ
Frequently asked questions
Still stuck? Our team is a WhatsApp message away.
Can I connect 12V LED modules directly to 220V mains?
No. 12V DC products (2W Samsung, Vega, Apollo, Titan Eco, Mini, Astra DC and Astra Waterproof) must always run through a 12V SMPS. Connecting them to 220V destroys them instantly and is a fire and shock risk. Only Ultra 220V, Nebula Square and Astra 220V are made for direct mains.
How many modules can one power supply run?
Keep each supply at about 80% of its rating. A 31.6A supply such as StellarX, Comet or Lunar (about 380W at 12V) carries around 300W — roughly 200 Apollo modules (1.5W) or 165 Vega modules (1.8W). The sign calculator works it out for any board.
What module spacing should I use in a glow sign board?
A good starting point is about 1.5 times the depth of the box — roughly 150 mm in a 100 mm (4 in) deep box. Shallow boxes need tighter spacing to avoid hot spots. Always test on a panel before sealing.
What's the difference between rainproof and waterproof?
Rainproof products handle rain on a protected outdoor sign. IP68 waterproof products — Nebula Square Waterproof, Astra Waterproof, Aurora, Nova and Stellar Aqua — are sealed for exposed sites where water can reach them directly.
Are BT GLO products certified?
Every module, DOB, rigid bar, pixel light and power supply in our catalogue is CE marked, our power supplies carry BIS registration (IS 15885 Part 2, R-41274372), and our tubelights are Made in India.
Do you deliver outside Chennai?
Retail packs of Apollo and StellarX are on Amazon.in and Flipkart, which deliver across India. For dealer quantities, WhatsApp us your city and we'll share pricing and delivery options.
Can you help with my sign layout?
Yes. Send a photo or PDF of your artwork with the board size on WhatsApp and we'll suggest the module, spacing and power supply. For light boxes you can also use the online sign calculator.
How do I become a BT GLO dealer?
Fill in the dealer form or WhatsApp us your business name, city and the volumes you sell. Our team will get back to you with dealer pricing and terms.
Need help with an installation?
Send photos of your wiring and power supply on WhatsApp — we'll help you find the problem.