Satco S3123 250W T4.5 Clear Halogen Lamp – BA15d Double Contact Bayonet Base, 120V

The Satco S3123 is a high-performance 250 watt T4.5 clear halogen lamp designed for specialty fixtures requiring strong, reliable illumination. Operating at 120 volts, this halogen bulb produces 4,200 lumens with a warm 2900K color temperature and excellent CRI of 100 for accurate color rendering.

Featuring a secure BA15d double contact bayonet base and durable CC-8 filament, the Satco S3123 delivers consistent performance and dimmable control for commercial, display, and specialty lighting applications.

Technical Specifications

• Brand: Satco
• Model: S3123
• Lamp Type: T4.5 Clear Halogen
• Wattage: 250W
• Voltage: 120V
• Base: BA15d Double Contact Bayonet
• Initial Lumens: 4,200 lm
• Color Temperature: 2900K Warm White
• CRI: 100
• Filament: CC-8
• Average Rated Life: 2,000 Hours
• Dimmable: Yes
• Beam Angle: 360°
• Operating Position: Universal
• Location Rating: Damp
• Maximum Overall Length: 2.84"
• Maximum Diameter: 0.56"
• Finish: Clear

Key Features

• High-output 250W quartz halogen lamp
• True color rendering with CRI 100
• Warm 2900K light ideal for display and accent lighting
• BA15d bayonet base for secure twist-lock installation
• Fully dimmable for flexible lighting control
• RoHS compliant and California Title 20 exempt

Common Applications

• Retail display and showcase lighting
• Museum and exhibit illumination
• Architectural accent lighting
• Medical and dental equipment lighting
• Optical inspection systems
• Stage and studio lighting fixtures

Safety and Handling

• Wear Gloves: Avoid touching the quartz envelope with bare hands.
• Allow Cooling: Let the lamp cool completely before replacement.
• Proper Ventilation: Ensure adequate airflow around the fixture during operation.