Sylvania 64527 MS400/C/PS-BU-ONLY – 400W | 3600K Cool White | CRI 65 | ANSI M155/S, M135/S | Dedicated Burn Position | E39 Mogul Screw

The Sylvania 64527 MS400/C/PS-BU-ONLY is a 3600K Cool White Pulse-Start Metal Halide (PSMH) — Metalarc lamp, CRI 65, ANSI M155/S:M135/S, E26 Medium Screw, 20,000 hours rated life, Dedicated Burn Position burn position. Enclosed/Open Fixtures*. Requires a pulse-start compatible HID ballast and 4,000V pulse-rated socket. UPC: 46135645273. Item: 64527.

Quick Specs

• Brand: Sylvania
• Series: Metalarc Pulse-Start
• Sylvania Order Code: 64527
• Manufacturer Part Number: 64527
• UPC: 46135645273
• ANSI Code: M155/S, M135/S
• Lamp Type: Pulse-Start Metal Halide (PSMH) — Metalarc
• Wattage: 400W
• Color Temperature: 3600K Cool White
• CRI: 65
• Rated Average Life: 20,000 hours
• Base Type: E39 Mogul Screw
• Overall Length / Diameter (MOL): 11.5in x DIA 4.5in
• Burn / Operating Position: Dedicated Burn Position
• Fixture Compatibility: Enclosed/Open Fixtures*
• Start Type: Pulse-Start — requires pulse-start ballast and 4kV socket
• Mercury Content: Contains mercury — dispose per local regulations.

Product Overview

The Sylvania 64527 MS400/C/PS-BU-ONLY is a 3600K Cool White Pulse-Start Metal Halide (PSMH) — Metalarc for commercial and industrial HID lighting. CRI 65. Rated life: 20,000 hours. Enclosed/Open Fixtures*.

Requires a pulse-start compatible HID ballast and 4,000V pulse-rated socket. Mercury content — dispose per local regulations.

Applications

• Commercial and industrial HID lighting – High-bay warehouses, outdoor area lighting, parking lots, retail, and security lighting.
• Retrofit and maintenance replacement – Verify ANSI code, wattage, and burn position before ordering. Pulse-start lamps require a pulse-start ballast — not interchangeable with probe-start.

Safety and Installation

• Pulse-start ballast required. Requires a pulse-start compatible HID ballast and 4,000V pulse-rated socket.
• Fixture: Enclosed/Open Fixtures*.
• Burn position: Dedicated Burn Position.