Replacement Light Bulb for Philips MS400/C/BU - 400 Watts E39 Base 4000K

Replacement for Philips MS400/C/BU delivers 400 watts of power in a BT37 shape with coated white finish for consistent light output in compatible systems.

Key Features & Benefits

• 400 watt power rating supports high intensity discharge applications
• BT37 shape fits designated fixtures
• 4000 color temperature produces neutral white illumination
• 35700 lumens output provides specified brightness levels
• 20000 hours rated life reduces replacement frequency

Product Specifications

• Watts: 400
• Base: E39 MOGUL SCREW BASE 39MM DIAMETER (E40)
• Shape: BT37
• Color Temp: 4000
• Lumens: 35700

Replacement Compatibility

Direct replacement for Philips MS400/C/BU and compatible metal halide systems requiring these exact specifications.

Discover the Perfect Replacement

Browse our selection of replacement parts matched to your equipment requirements. Confirm compatibility with your current setup before ordering.

During the checkout process, you can choose from expedited services such as overnight delivery to standard ground shipping. We aim to ensure your order is delivered promptly and reliably, wherever you are.

All returns must be made within 30 days of purchase with the invoice. (After 30 days, Interlight credit only, Minimum 25% restocking fee, no returns after 60 days, special items order just for you are not returnable.)

At Interlight, your satisfaction is our priority. We offer a 30-day money-back guarantee on eligible products, provided they are returned in resalable condition with the original invoice.