---
product_id: 62255824
title: "Powerstar HQI-BT 400/D/PRO E40 Giant Edison Screw 400 W Classic Bulb"
brand: "osram"
price: "€ 98.14"
currency: EUR
in_stock: true
url: https://www.desertcart.hr/products/62255824-powerstar-hqi-bt-400-d-pro-e40-giant-edison-screw
store_origin: HR
region: Croatia
---

# 12,000 hours long life 35,000 lumens ultra-bright 400W high-power output Powerstar HQI-BT 400/D/PRO E40 Giant Edison Screw 400 W Classic Bulb

**Brand:** osram
**Price:** € 98.14
**Availability:** ✅ In Stock

## Summary

> 💡 Illuminate your world with power and precision — don’t get left in the dark!

## Quick Answers

- **What is this?** Powerstar HQI-BT 400/D/PRO E40 Giant Edison Screw 400 W Classic Bulb by osram
- **How much does it cost?** € 98.14 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/62255824-powerstar-hqi-bt-400-d-pro-e40-giant-edison-screw)

## Best For

- osram enthusiasts

## Why This Product

- Trusted osram brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **True-to-Life Colors:** High CRI of 92 and up to 66% color saturation in blue, green, and magenta for vivid, authentic lighting.
- • **Enduring Performance:** With an impressive 12,000-hour lifespan, enjoy long-lasting reliability that minimizes replacements and downtime.
- • **Effortless Installation:** Giant E40 Edison screw base designed for quick, secure fitting in enclosed fixtures, perfect for premium shop lighting.
- • **Power-Packed Brilliance:** Experience intense 400W illumination that transforms any space with vibrant daylight clarity.
- • **Ultra-Bright Efficiency:** Delivering a staggering 35,000 lumens, this bulb ensures your environment is lit with professional-grade brightness.

## Overview

The Osram Powerstar HQI-BT 400/D/PRO is a high-intensity discharge lamp featuring advanced Powerstar quartz and UV filter technology. It delivers 400 watts of energy-efficient, daylight-balanced light at 35,000 lumens with a 92 CRI, ensuring vibrant color rendering and up to 12,000 hours of reliable use. Designed with a robust E40 screw base, it’s ideal for professional indoor and outdoor applications requiring premium, long-lasting illumination.

## Description

Powerstar HQI-BT 400/D/PRO E40 Giant Edison Screw 400 W Classic Bulb

## Features

- POWERSTAR quartz technology
- UV filter technology
- Neutral white light N, daylight D and coloured lamps
- Approved for use only in enclosed fixtures
- High efficiency

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | OSRAM |
| Manufacturer | Osram |
| Product Dimensions | 28.5 x 6.2 x 6.2 cm; 200 g |
| Item model number | HQI-BT 400/D/PRO |
| Part Number | 999017455046 |
| Number of Items | 1 |
| Colour | Transparent |
| Shape | Arbitrary(A) |
| Material | Tungsten and halogen gas |
| Finish types | Ceramic |
| Included Components | 1 x high pressure discharge lamp |
| Voltage | 115 Volts |
| Specific Uses | Suitable for outdoor and indoor use |
| Special features | High efficiency thanks to Powerstar quartz technology |
| Power and Plug Description: | Corded Electric |
| Batteries included? | No |
| Batteries Required? | No |
| Certification | Yes, certain standards meet |
| Type of Bulb | HID. |
| Cap Type | E40 (Giant Edison Screw) |
| Luminous Flux | 35000 Lumen |
| Wattage | 400 watts |
| Wattage | 400 Watts |
| Incandescent Equivalent | 3.5E+3 Watts |
| Colour Temperature | 5500 Kelvin |
| Colour Rendering Index (CRI) | 92 |
| Average Life | 12000 Hours |
| Bulb Diameter | 62 Millimetres |
| Bulb Length | 285 Millimetres |
| Mercury Content | 59 milligrams |
| Item Weight | 200 g |
| Guaranteed software updates until | unknown |

## Product Details

- **Brand:** OSRAM
- **Light type:** Metal Halide
- **Special feature:** High efficiency thanks to Powerstar quartz technology
- **Wattage:** 400 watts
- **Bulb shape size:** T

## Images

![Powerstar HQI-BT 400/D/PRO E40 Giant Edison Screw 400 W Classic Bulb - Image 1](https://m.media-amazon.com/images/I/61E8Y0dVl2L.jpg)

## Frequently Bought Together

- Osram Powerstar HQI-BT 400/D/PRO E40 Giant Edison Screw 400 W Classic Bulb
- FRITZ!Repeater 3000 AX Répéteur réseau 2400 Mbit/s Blanc
- AVM Fritz!Box 7590 AX Wifi-6 ohne S0

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**Shop now:** [https://www.desertcart.hr/products/62255824-powerstar-hqi-bt-400-d-pro-e40-giant-edison-screw](https://www.desertcart.hr/products/62255824-powerstar-hqi-bt-400-d-pro-e40-giant-edison-screw)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-04-23*