Product Overview

Sylvania 64490 - M400-U – 400W | CRI 65 | ANSI M59/S | Position | E39 Mogul Screw
The Sylvania 64490 - M400-U is a 4000K Cool White Metal Halide HID — Metalarc lamp, CRI 65, ANSI M59/S Used For Enclosed/Open F, 15,000–20,000 hours rated life, Position burn position. Enclosed or Open (verify ANSI suffix). Requires a compatible HID ballast. Mercury content — dispose per local regulations. UPC: 46135644900. Item: m400u-ed37-metalarc.
Wattage 400W Metal Halide | Color Temp 4000K CRI 65 | ANSI Code M59/S Ballast Code | Rated Life 15+ Hours | Base E39 Mogul |
Quick Specs
- Brand: Sylvania
- Series: Metalarc
- Sylvania Order Code: 64490
- Manufacturer Part Number: m400u-ed37-metalarc
- UPC: 46135644900
- ANSI Code: M59/S
- Lamp Type: Metal Halide HID — Metalarc
- Base Type: E39 Mogul Screw
- Operating Voltage: 135V
- Color Temp 4000K Cool White
- CRI: 65
- Rated Average Life: 15,000–20,000 hours
- Overall Length / Diameter (MOL): 11.5in x DIA 4.6in
- Burn / Operating Position: Position
- Fixture Compatibility: Enclosed or Open (verify ANSI suffix)
- Start Type: Probe-Start — standard MH ballast
- Mercury Content: Contains mercury — dispose per local regulations.
Product Overview
The Sylvania 64490 - M400-U is a 4000K Cool White Metal Halide HID — Metalarc for commercial, industrial, and outdoor area lighting in HID fixtures. CRI 65. Rated life: 15,000–20,000 hours. Fixture: Enclosed or Open (verify ANSI suffix).
Requires a compatible HID ballast rated for metal halide. Allow 5–10 minutes warm-up time for full output. Hot restrike time: 7–12 minutes. Mercury content — dispose per local regulations.
Applications
- Commercial and industrial HID lighting – Commercial, industrial, and outdoor area lighting in hid fixtures.
- Retrofit and maintenance replacement – Verify ANSI code, wattage, and burn position before ordering. Match ANSI code to ballast specification.
Safety and Installation
- Compatible HID ballast required. Match ballast ANSI code.
- Enclosed fixture required (E-type). 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
- Sylvania Order Code: 64490
- ANSI Code: M59/S Used For Enclosed/Open F
- UPC: 46135644900
- Wattage:400W
- Base: Verify with manufacturer specification sheet
- 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.