Product Overview
Osram HQI-T 70W/NDL POWERSTAR Metal Halide Lamp - 75W G12 Base, 4200K CRI 84, 9000h Rated Life
The Osram HQI-T 70W/NDL is an Osram POWERSTAR HQI quartz metal halide lamp rated at 75W / 100V on a G12 base, with a 4200K color temperature and CRI (Ra) 84. It is rated for 9000 hours average life.
This lamp should be selected by matching the Osram order code, wattage, base type, and light color to the installed fixture or ballast.
Wattage 75W 100V Nominal | Color Temp 4200K CRI 84 (Ra) | Lumens 5800 Nominal Initial | Rated Life 9000 Hours | Base G12 HQI-T |
Product Overview
Osram’s POWERSTAR HQI lamps are quartz metal halide lamps used across commercial, industrial, and display lighting where compact size, high lumen output, and good color rendering are required. Different HQI families (T, BT, TS, E, E/P) vary by bulb shape, base type, and intended fixture/reflector design — always match the exact family and base type to the installed fixture.
Technical Specifications
| Brand | Osram |
| ADL / Order Code (as listed) | HQIT70NDL |
| Osram Lamp Reference | HQI-T 70W/NDL |
| Family | HQI-T |
| ILCOS Code | MT/UB-70/42/1B-H-G12-25/84 |
| EAN | 4050300488424 |
| Wattage | 75 W |
| Voltage | 100 V |
| Ignition Voltage (Min/Max) | 3.6/5 kVp |
| Lamp Current | 1 A |
| Nominal Luminous Flux | 5800 lm |
| Luminous Efficacy | 77 lm/W |
| Light Color / Appearance Code | NDL |
| Color Temperature | 4200 K |
| Color Rendering Index (Ra) | 84 |
| Base | G12 |
| Diameter | 25 mm |
| Maximum Overall Length | 84 mm |
| LCL | 56 mm |
| Burning Position | universal |
| Average Lamp Life | 9000 hours |
| PF Correction Capacitor (50 Hz) | 12 µF |
| Standard Pack Quantity | 12 |
| Control Gear Type | UVS |
| NIOSH Skin Exposure Limit | > 50 |
| ACGIH UV Output | < 0.14 |
| Max. Permissible Outer Bulb Temp. | 500 °C |
| Max. Permissible Pinch/Base Edge Temp. | 280 °C |
Key Features
- HQI-T family POWERSTAR quartz metal halide construction on a G12 base.
- 4200K color temperature at CRI (Ra) 84.
- 9000-hour average rated life.
Compatible Applications
- Commercial and industrial high-bay, floodlighting, and display fixtures rated for this HQI family and base type
- Retail and architectural accent lighting requiring high color rendering metal halide sources
- Maintenance replacement where Osram lamp reference HQI-T 70W/NDL or EAN 4050300488424 is specified
Before Ordering Verify
- Exact Osram Lamp Reference: Match HQI-T 70W/NDL (EAN 4050300488424) to the existing lamp label or fixture documentation.
- Base Type: Confirm the fixture socket matches a G12 base.
- Wattage & Control Gear: Confirm the fixture/ballast is rated for 75W.
- Color Temperature: Confirm 4200K matches the existing lamps in the fixture or space.
- Burning Position: Confirm the fixture orientation matches the rated universal burning position.
Safety & Installation Guidelines
- Qualified Installation: Install and service only with power disconnected, following applicable electrical codes.
- UV Exposure: Use only in fixtures with adequate shielding; do not operate with a damaged or broken outer envelope.
- Correct Ballast Match: Operating this lamp on an incompatible ballast/gear type can cause premature failure, incorrect color temperature, or fixture damage.
- Disposal: Metal halide lamps contain mercury — dispose of per local regulations (www.lamprecycle.org).
- Cooling: Allow the lamp to cool fully before handling or removal.
Wholesale & Project Support
ADL Supply supports contractors, facility managers, maintenance departments, and commercial buyers with Osram metal halide lamp replacement identification, project quoting, and volume order support.
For volume pricing, availability, or help confirming the correct Osram replacement lamp, contact ADL Supply at 1-800-235-3489.
