Product Overview
Philips 36651-8 F72T12/CW/HO/ALTO — 85W T12 Cool White Fluorescent Lamp | 4100K | 6,350 Lumens | R17d Recessed Double Contact
The Philips 36651-8 F72T12/CW/HO/ALTO is a 85W T12 fluorescent lamp delivering 6,350 initial lumens at 4100K Cool White (CRI 62). It uses a R17d Recessed Double Contact base and is designed as a High Output (800mA) lamp for high-output rapid-start ballast (800ma) fixtures.
WATTAGE / TYPE 85W / T12 High Output (800mA) | COLOR TEMP 4100K Cool White | INITIAL LUMENS 6,350 lm | RATED LIFE 12,000 hr Rated Average | BASE TYPE R17d Recessed Double Contact Confirm Socket |
Technical Specifications
| Brand | Philips |
| Product Code / Model | 36651-8 / F72T12/CW/HO/ALTO |
| Lamp Type | Fluorescent — T12 High Output (800mA) |
| Wattage | 85W |
| Base | R17d Recessed Double Contact |
| Color Temperature | 4100K Cool White |
| CRI | 62 |
| Initial Lumens | 6,350 lm |
| Design (Mean) Lumens | 5,500 lm |
| Rated Average Life | 12,000 hr |
| Length | 72" |
| Bulb Diameter | 1.5" (T12) |
| Package Quantity | 15 |
| Required Ballast | High-output rapid-start ballast (800mA) |
Product Overview
The Philips 36651-8 F72T12/CW/HO/ALTO is a 85W T12 high output (800ma) fluorescent lamp delivering 6,350 initial lumens (5,500 lm design/mean) at 4100K Cool White, CRI 62. It is built for commercial and industrial fixtures where lamp length, base type, ballast type, wattage, and color temperature must match the existing system.
This lamp is best suited for maintenance replacement in offices, warehouses, retail stores, schools, garages, production areas, and utility spaces. Before ordering, confirm the R17d Recessed Double Contact base, 85W wattage, and 4100K color temperature against your existing lamp or fixture label.
Compatible Applications
- Commercial fixture maintenance and retrofit replacement.
- Warehouses, loading docks, production areas, and utility rooms.
- Retail stores, schools, offices, corridors, and service spaces.
- Replacement for compatible F72T12 fluorescent fixtures.
Before Ordering – Verify
- Confirm the existing lamp matches F72T12/CW/HO/ALTO or an approved equivalent before ordering.
- Confirm the fixture socket matches the R17d Recessed Double Contact base.
- Confirm wattage (85W) and ballast type (High-output rapid-start ballast (800mA)) are compatible.
- Confirm color temperature (4100K Cool White) matches your project spec.
- Confirm physical length (72", 1.5" T12 diameter) fits your fixture.
Safety and Handling Guidelines
- Disconnect power before installing or servicing.
- Use only in fixtures designed for compatible F72T12 T12 fluorescent lamps and the correct ballast type.
- Fluorescent lamps contain mercury and should be recycled or disposed of according to local regulations.
- Follow the fixture manufacturer's instructions and local electrical codes for installation.
Compliance
- Manufactured by Philips Lighting.
- Contains mercury — dispose of/recycle per local regulations.
Ordering Information
- Product Code / Model: 36651-8 / F72T12/CW/HO/ALTO
- Description: 85W T12 Cool White fluorescent lamp, 4100K, 6,350 lumens, R17d Recessed Double Contact base.
- Package Quantity (manufacturer case pack): 15.
- Sold individually unless otherwise noted on the product page.
For wholesale pricing, bulk availability, or help confirming the correct replacement lamp, contact ADL Supply at 1-800-235-3489.
