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T12 Fluorescent Tubes

T12 fluorescent tubes are replaceable linear lamps for compatible G13 luminaires. Select the complete lamp reference together with the holder spacing, operating gear and available fixture length.
  • Diffuse Linear Illumination: The coated cylindrical surface distributes light along the lamp for broad general-lighting layouts.
  • T12 Tubular Format: The thicker glass envelope provides a distinct physical format within the linear fluorescent range.
  • Color-Rendering Choice: Halophosphor and triphosphor versions address different visual-quality requirements.
  • Serviceable Lamp Format: The light source can be replaced while a suitable luminaire remains installed.
Tube TypeT12 linear fluorescent, Φ38 mm
Power Options20 W or 40 W
Length Options589.8 mm or 1199.4 mm
CCT Range2700–6500 K
Operating GearCompatible electronic or magnetic ballast required
Rated Life8,000–12,000 hours; 1-year warranty
Supply BoundaryTube only; fixture, holders, ballast and starter not included

Technical Specifications

Model Specifications

ModelTube Dia. × Overall LengthCapRated PowerTotal LumenCCT
XGYT12-E20Φ38 × 589.8 mmG1320 W1000–1250 lm2700–6500 K
XGYT12-E40Φ38 × 1199.4 mmG1340 W2500–3050 lm2700–6500 K

Product Description

Product Details

Product Construction

A phosphor-coated glass vessel with an amalgam fill terminates in G13 bipin end caps. External control gear in the compatible luminaire energizes the replaceable lamp.

Selection & Installation Notes

Verify the complete model reference against the luminaire drawing and approved circuit schedule. Before sample approval, check holder spacing, available clearance, the ballast arrangement and whether separate starting equipment is required. Compare related options in our linear fluorescent tube range.

Recommended Application

Applications

  • Office Linear Fixtures: Use the selected T12 tube in compatible general-lighting luminaires for offices and circulation areas.
  • Retail Service Areas: Fit matched tubes in suitable aisle, stockroom and back-of-house fluorescent luminaires.
  • Institutional Interiors: Use the specified lamp and operating gear in compatible school, hospital and hospitality fixtures.
  • Maintenance Relamping: Replace an existing tube only after matching the complete reference, holder spacing and ballast circuit.
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Frequently Asked Questions?

Find clear answers to common questions about product specifications, model selection, applications, and quotation requirements. For project-specific needs, send us your target market, required quantity, and key specifications.

How should the correct T12 tube be selected?

Match the complete model reference, physical length, holder spacing and ballast circuit to the existing luminaire before ordering.

Do T12 fluorescent tubes require a ballast?

Yes. The tube operates with compatible fluorescent-lamp control gear. Select the exact electronic or magnetic ballast arrangement for the ordered model.

When is a starter required?

Use a starter only where the selected magnetic-ballast circuit is designed for one. Electronic-ballast arrangements follow their own wiring and component requirements.

Is the luminaire included with the tube?

No. The product is the replaceable tube; the luminaire, holders, ballast and any required starter are separate.

What is the difference between the phosphor options?

Choose halophosphor or triphosphor according to the project color-rendering requirement, and state the selected option on the approved order.

What should be checked during relamping?

Isolate power, match the full lamp reference and inspect the holders, supports and operating gear before installing the replacement tube.

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