Sylvania 64770 MP350-400-C-PS-BU-ONLY – 350W/400W (dual: 350W/400W) | CRI 70 | ANSI M155/M135/M131/O | Within +/- 15° Only Burn Position | E39 Mogul Screw

The Sylvania 64770 MP350-400-C-PS-BU-ONLY is a 3500K Natural White Pulse-Start Metal Halide (PSMH) — Metalarc lamp, CRI 70, ANSI M155/M135/M131/O, -Up Within +/- 15° Only Burn Position, 20,000 hours rated life, Within +/- 15° Only Burn Position burn position. Enclosed Or Open Fixtures. Requires a compatible HID ballast. Mercury content — dispose per local regulations. UPC: 46135647703.

Quick Specs

• Brand: Sylvania
• Series: Metalarc Pulse-Start
• Sylvania Order Code: 64770
• UPC: 46135647703
• ANSI Code: M155/M135/M131/O
• Lamp Type: Pulse-Start Metal Halide (PSMH) — Metalarc
• Color Temp 3500K/3300K dual CCT
• CRI: 70
• Rated Average Life: 20,000 hours
• Base Type: EX39 Extended Mogul Screw (protected shield — rated for open or enclosed fixtures)
• Overall Length / Diameter (MOL): 11.5in x DIA 4.6in
• Burn / Operating Position: Within +/- 15° Only Burn Position
• Fixture Compatibility: Enclosed Or Open Fixtures
• Start Type: Pulse-Start — requires pulse-start ballast
• Mercury Content: Contains mercury — dispose per local regulations.

Product Overview

The Sylvania 64770 MP350-400-C-PS-BU-ONLY is a 3500K Natural White Pulse-Start Metal Halide (PSMH) — Metalarc for commercial and industrial HID lighting in high-bay, outdoor, and area lighting applications. Pulse-start technology delivers faster warm-up, improved lumen maintenance, and longer rated life compared to standard probe-start metal halide lamps. Rated life: 20,000 hours. Fixture: Enclosed Or Open Fixtures.

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

Applications

• Commercial and industrial HID lighting – Commercial and industrial hid lighting in high-bay, outdoor, and area lighting applications.
• 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

• Compatible HID ballast required. Pulse-start ballast required — do not use on probe-start ballast.
• Enclosed fixture required. Use only in enclosed fixtures rated for this lamp.
• Allow warm-up time: 5–10 minutes for full output.
• Hot restrike: Allow 7–12 minutes after switching off before restarting.
• UV radiation: This lamp emits UV radiation. Use only in fixtures with UV-protective shielding.
• Mercury disposal: Contains mercury — dispose per local lamp recycling regulations.

Ordering Information

• Brand: Sylvania
• Series: Metalarc Pulse-Start
• Sylvania Order Code: 64770
• ANSI Code: M155/M135/M131/O
• UPC: 46135647703
• Wattage:350W/400W (dual: 350W/400W)
• Base: -Up Within +/- 15° Only Burn Position
• Case quantities and bulk pricing: Contact ADL Supply for volume orders.

Compliance

• Contains mercury — dispose per local lamp recycling regulations.
• Verify RoHS and Prop 65 compliance with Sylvania specification sheet.

ADL Supply recommends confirming all specifications with the Sylvania product data sheet prior to installation.