Philips 368720 Ceramalux ALTO 100W High Pressure Sodium Lamp – ANSI S54 ED23 Mogul Base

The Philips Ceramalux ALTO High Pressure Sodium (HPS) lamp provides reliable high-efficiency lighting for commercial, industrial, and roadway applications. This 100W ANSI S54 HID lamp features a 2100K warm sodium color temperature, ED23 bulb shape, and a mogul screw base for compatibility with standard high pressure sodium lighting systems.

Technical Specifications

• Brand: Philips Lighting
• Part Number: 368720
• Alternate Code: C100S54/ALTO
• SKU: PGB36872-0
• Lamp Type: Ceramalux High Pressure Sodium (HPS)
• Wattage: 100 Watts
• ANSI Code: S54
• Bulb Shape: ED23
• Base Type: Mogul Screw Base
• Color Temperature: 2100K
• Color Rendering Index (CRI): 21
• Rated Average Life: 24,000 Hours
• Max Overall Length (MOL): 7.75 in
• Bulb Diameter: 2.94 in
• Burn Position: Universal

Applications

• Street and roadway lighting
• Parking lot and area lighting
• Industrial and warehouse lighting
• Commercial and retail exterior lighting

About Philips Ceramalux High Pressure Sodium Lamps

Philips Ceramalux ALTO High Pressure Sodium lamps are engineered to deliver high lumen output, long operating life, and consistent performance in demanding lighting environments. The ALTO series is designed without mercury, helping support environmentally responsible disposal while maintaining the efficiency and durability expected from Philips HID lighting products.

Important Safety and Installation Notes

• High Pressure Warning: HPS lamps operate under high internal pressure. Always wear protective gloves and face protection when handling.
• Ballast Compatibility: Must be used with an ANSI S54 rated ballast designed for the lamp wattage.
• Avoid Skin Contact: Oils from skin can create hot spots on the lamp envelope. Handle with clean gloves or cloth.
• Warm-Up Time: Allow 3–5 minutes after ignition for the lamp to reach full brightness.
• Hot Restart: Lamps require cooling before restrike after power interruption.
• Burn Position: Install only in the approved burn position to ensure proper arc tube operation.