Product Overview
GE 45238 CSR400/SE/HR/75 – 400W Metal Halide Discharge Lamp, GZZ9.5 Base, 7500K
The GE 45238 (CSR400/SE/HR/75) is a 400-watt CSR/CSD metal halide discharge lamp with a GZZ9.5 base, rated at 7500K color temperature and a 70+ CRI. It carries a 1,500-hour rated average life and delivers 28,000 initial lumens. This lamp is stocked by ADL Supply for stage, studio, and entertainment lighting replacement programs.
WATTAGE 400W GE Stage & Studio | LUMENS 28,000 lm Initial output | CCT 7500K Color temperature | BASE GZZ9.5 T7 bulb | CRI 70+ Color rendering index |
Technical Specifications
| Manufacturer | GE (Current Lighting) |
| Product Line | GE Stage and Studio Lamps |
| Order Code | 45238 |
| Description / Ordering Abbreviation | CSR400/SE/HR/75 |
| Wattage | 400W |
| Bulb Shape | T7 |
| Base | GZZ9.5 |
| Voltage | 70V |
| Pack Quantity | 10 per case |
| Initial Lumens | 28,000 lm |
| Design Color Temperature | 7500K |
| CRI | 70+ |
| Chromaticity Coordinates | x = 0.323, y = 0.32 |
| Arc Length | 5 mm |
| Rated Life | 1,500 hours |
| MOL (Maximum Overall Length) | 4.32" |
| LCL (Light Center Length) | 2.38" |
| Burning Position | Any |
Product Overview
The 45238 is a GE CSR/CSD daylight metal halide discharge lamp built for high-CRI, high-output entertainment and broadcast lighting. It operates at 7500K color temperature with a GZZ9.5 base and is rated for a 1,500-hour average life under any burning position.
Per GE footnote 14, this lamp must be operated only in an enclosed fixture rated for this product (UL Standard 1572 / 21 CFR 1040.30) — the arc tube can emit UV radiation and the lamp can cause serious skin burn and eye inflammation if the outer envelope is broken or punctured while the arc continues to operate.
Compatible Applications
- Television and film production lighting
- Stage and concert lighting
- Photographic studio lighting
- Overhead and large-screen projection
- Color simulation requiring daylight (5600–7500K) output
Before Ordering – Verify
- Confirm the base type (GZZ9.5) and voltage (70V) match your fixture before ordering.
- Confirm your fixture is fully enclosed and UL-1572 rated for this product — CSR/CSD discharge lamps are not rated for open fixtures.
- Confirm burning position (Any) matches your fixture's mounting orientation.
Safety and Handling Guidelines
- Enclosed fixture only, per UL Standard 1572. WARNING: This lamp can cause serious skin burn and eye inflammation if the outer envelope is broken or punctured and the arc tube continues to operate. Do not use where people will remain more than a few minutes unless adequate shielding or other safety precautions are used.
- Turn power off before inspection, installation, or removal — risk of electrical shock.
- Keep combustible materials away from the lamp and use only in a fixture rated for this product — risk of fire.
- A damaged lamp emits UV radiation which may cause eye/skin injury; turn power off if the glass is broken and remove/dispose of the lamp.
- Allow the lamp/fixture to cool completely before handling or relamping.
Compliance
- Contains mercury (metal halide/discharge lamps); dispose of/recycle according to federal, state, and local regulations.
- UL Standard 1572 enclosed-fixture rating applies where noted (see Before Ordering).
Ordering Information
- Order Code: 45238
- Description: CSR400/SE/HR/75
- Pack Quantity: 10 per case
- Contact ADL Supply for current wholesale pricing and stock availability.
For wholesale pricing, bulk availability, or help confirming the correct replacement lamp, contact ADL Supply at 1-800-235-3489.
