Product Overview

GE F57QBX/835/A/4P/EOL 48863 57W Quad Biax Q/E High Output CFL - 3500K GX24q-5 4-Pin
The GE F57QBX/835/A/4P/EOL (Order Code: 48863) is a 57-watt Quad Biax Q/E High Output compact fluorescent lamp featuring advanced amalgam technology for stable light output in any burning position. This Ecolux T4 quad-tube CFL delivers 4,300 lumens of 3500K natural white light with 82 CRI and an exceptional rated life of 17,000-20,000 hours. Ideal for high bay industrial, retail, and commercial applications.
Key Specifications
- Product Code: 48863
- Ordering Code: F57QBX/835/A/4P/EOL (Ecolux)
- Also Known As: F57QBX/835/A/4P/LL (LongLast)
- Wattage: 57W (56W rated on electronic gear)
- Voltage: 175V (on electronic gear)
- Current: 0.32A (lamp current)
- Base Type: GX24q-5 (4-Pin Plug-In)
- Bulb Shape: T4 Quad Tube (4 parallel tubes)
- Color Temperature: 3500K (835 Code) Natural White
- Color Rendering Index (CRI): 82
- Initial Lumens: 4,300 lm
- Mean Lumens: 3,700 lm (at 40% rated life)
- Luminous Efficacy: 74-77 lm/W
- Rated Life: 17,000 hours (3h cycle) / 20,000 hours (12h cycle)
- Lumen Maintenance: 80% at 20,000 hours
- Maximum Overall Length (MOL): 7.11" (180.7mm)
- Diameter: 2.3" (58.3mm) plastic shell / 2.0" (51mm) max tube
- Lighted Length: 5.3" (134.5mm)
- Operating Position: Universal (same output any position)
- Starting Temperature: -10°C to +55°C (for 90% light output)
- Warm-up Time: 140 seconds to 80% light output
- Mercury Content: 3.0 mg
- Energy Consumption: 21 kWh/1000h
- Packaging: 10 per case
- UPC: 043168488631
- EU Energy Class: B
Amalgam Technology Features
- Amalgam alloy replaces liquid mercury for stable performance
- Same light output in any burning position (horizontal, vertical, base up/down)
- Wide operating temperature range: maintains 90% output from -10°C to +55°C
- Ultra-compact quad-tube design fits smaller luminaires
- High lumen efficacy: 74-77 lumens per watt
- LongLast versions rated up to 20,000 hours (12h switching cycle)
- Built-in end-of-life protection (EOL) with titanium-hydride safety system
- 4-pin design for high-frequency electronic ballast operation
- LEED-EB MR Credit eligible (low mercury design)
Primary Applications
- High Bay Industrial Lighting
- Arena and Sports Facilities
- Outdoor Canopy Lighting
- General Commercial Lighting
- Big Box Retail Ceiling Fixtures
- Reception Areas and Lobbies
- Parking Garages
- Office and Commercial Buildings
- Schools and Healthcare Facilities
Compatible Ballast Systems
Requires electronic ballast compatible with GX24q-5 base and 57W rating. Compatible systems include:
- GE GEC242-MVPS (for 42W/57W - verify compatibility)
- Sylvania QTP1/2×26/32/42/57CF/UNV (universal voltage)
- Howard EP2/42/57CF/MV/K2
- Halco EP2CF57PS/MV/DC
- Advance ICF-2S57-M2-LD
- Hatch HC257PS/UV/K
- Keystone KTEB-257T-UV-TP-PSD
- Universal C257UNVME
Note: Ballast must be rated for 57W GX24q-5 lamps. 42W ballasts may not provide proper operation.
Energy Savings Comparison
- Replaces: 200W incandescent or 150W halogen
- Energy Savings: Up to 80% vs incandescent
- Life Comparison: 12× longer than standard incandescent (20,000h vs 1,000h)
- Operating Cost: ~21 kWh per 1,000 hours
Safety & Environmental Information
Mercury Disposal: Contains 3.0 mg mercury - dispose of properly according to local regulations.
- Do not use with magnetic ballasts - electronic only
- Maximum cap temperature: 140°C
- Maximum preheat current: 0.55A
- If lamp breaks, ventilate area for 30 minutes before cleanup
- Operate only with end-of-life protection (EOL) equipped ballasts
Alternate Part Numbers & Cross References
Also known as: GE 48863, F57QBX/835/A/4P/LL, CFM57W/GX24q/835, CF57DT/E/IN/835
Compatible with: Sylvania CFM57W/GX24q/835, Philips PL-T 57W/835/4P/A, Osram Dulux T/E 57W/835