GE 46274 MPR400C/VBUXHOPA – 400W | 3700K Cool White | CRI 70 | ANSI M135/O | Vertical Base Up ±15° | EX39 Extended Mogul Screw

The GE 46274 MPR400C/VBUXHOPA is a 400W 3700K Cool White Multi-Vapor PulseArc Protected (O-type) Metal Halide lamp, CRI 70, ANSI M135/O, EX39 Extended Mogul Screw (protected shield — rated for open or enclosed fixtures), 20,000 hours rated life, Vertical Base Up ±15° burn position. Open or Enclosed Fixtures. Requires a pulse-start compatible HID ballast and 4,000V pulse-rated socket. UPC: 43168462747.

Quick Specs

• Brand: GE Lighting
• Series: Multi-Vapor PulseArc Protected
• GE Order Code: 46274
• UPC: 43168462747
• ANSI Code: M135/O
• Lamp Type: Multi-Vapor PulseArc Protected (O-type) Metal Halide
• Wattage: 400W
• Color Temperature: 3700K Cool White
• CRI: 70
• Initial Lumens: 40,000 lm
• Mean Lumens: 28,000 lm
• Rated Average Life: 20,000 hours
• Base Type: EX39 Extended Mogul Screw (protected shield — rated for open or enclosed fixtures)
• Overall Length / Diameter (MOL): 11.50in x 4.625in DIA
• Burn / Operating Position: Vertical Base Up ±15°
• Fixture Compatibility: Open or Enclosed Fixtures
• Start Type: Pulse-Start — requires pulse-start ballast
• Mercury Content: Contains mercury — dispose per local regulations.

Product Overview

The GE 46274 MPR400C/VBUXHOPA is a 400W 3700K Cool White GE Multi-Vapor PulseArc Protected metal halide lamp. The EX39 extended mogul base with outer protective shield qualifies this as an O-type lamp (ANSI M135/O), suitable for both open and enclosed fixtures. Rated life: 20,000 hours.

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

Applications

• Commercial and industrial HID lighting – Outdoor area, parking, and industrial hid fixtures requiring open fixture compatibility.
• Retrofit and maintenance replacement – Verify ANSI code, wattage, and burn position before ordering. Pulse-start lamps require a pulse-start ballast.

Safety and Installation

• Pulse-start ballast required. Requires a pulse-start compatible HID ballast and 4,000V pulse-rated socket.
• Fixture: Open or Enclosed Fixtures.
• Burn position: Vertical Base Up ±15°.
• Allow warm-up time: 2–5 minutes for full output.
• Hot restrike: Allow 7–12 minutes after switching off before restarting.
• UV radiation: Use only in fixtures with UV-protective shielding.
• Mercury disposal: Contains mercury — dispose per local lamp recycling regulations.

Ordering Information

• Brand: GE Lighting
• Series: Multi-Vapor PulseArc Protected
• GE Order Code: 46274
• ANSI Code: M135/O
• UPC: 43168462747
• Wattage: 400W
• Base: EX39 Extended Mogul Screw (protected shield — rated for open or enclosed fixtures)
• 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 GE specification sheet.

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