MDH440MDH440
3x3 / 4x4 Surface Mount
The MDH440 is a robust 4’ x 4’, 6” deep surface-mounted luminaire designed for high performance and versatility. Featuring a heavy-duty, 20-gauge cold-rolled steel welded housing and a sleek, 2” deep regressed extruded aluminum door frame, it ensures durability and strength. Its high-efficiency, long-life LEDs deliver over 50,000 service hours, with available lumen packages and color temperatures—including tunable white (2700K-6500K). Standard 0-10V dimming, Title 24 compliance, UL listing for damp locations, and multiple mounting, sensor, and lens options make the MDH440 adaptable for varied applications. Backed by up to a 10-year limited warranty, customization is also available.
The MDH440 is a robust 4’ x 4’, 6” deep surface-mounted luminaire designed for high performance and versatility. Featuring a heavy-duty, 20-gauge cold-rolled steel welded housing and a sleek, 2” deep regressed extruded aluminum door frame, it ensures durability and strength. Its high-efficiency, long-life LEDs deliver over 50,000 service hours, with available lumen packages and color temperatures—including tunable white (2700K-6500K). Standard 0-10V dimming, Title 24 compliance, UL listing for damp locations, and multiple mounting, sensor, and lens options make the MDH440 adaptable for varied applications. Backed by up to a 10-year limited warranty, customization is also available.
Construction
- 20 gauge cold-rolled steel welded housing
- 2″ deep regressed extruded aluminum door frame secured by T-hinges and positive spring-loaded latches
- Two gussets installed in each corner for strength and miter alignment
- One-way polyurethane gasket
Optical
- One-piece clear prismatic or frosted acrylic lens
Finish
- Painted after fabrication
- Baked white powder-coated finish
- Minimum reflectance 90%
- High-efficiency drivers paired with long-life LEDs
- Service life >50,000 hours (L70)
- Universal voltage 120V ~ 277V (347V/480V available)
- Power Factor (PF) ≥ 0.9
- Total Harmonic Distortion (THD) ≤ 20%
Features
- 0-10V dimming driver standard
- Supports California Title 24 compliance
- Stem/suspension mountable
Options
- Range of lumen packages and color temperatures
- Sensors and controls
- Lens options
- Tunable white (2700K – 6500K)
- Emergency battery pack
- Neoprene gasket
- Customization available upon request
Listing
- UL USA and Canada Listed
- Suitable for damp locations
Warranty
- 5-year limited warranty
- 10-year limited warranty available
Resources
Construction
- 20 gauge cold-rolled steel welded housing
- 2″ deep regressed extruded aluminum door frame secured by T-hinges and positive spring-loaded latches
- Two gussets installed in each corner for strength and miter alignment
- One-way polyurethane gasket
Optical
- One-piece clear prismatic or frosted acrylic lens
Finish
- Painted after fabrication
- Baked white powder-coated finish
- Minimum reflectance 90%
- High-efficiency drivers paired with long-life LEDs
- Service life >50,000 hours (L70)
- Universal voltage 120V ~ 277V (347V/480V available)
- Power Factor (PF) ≥ 0.9
- Total Harmonic Distortion (THD) ≤ 20%
Features
- 0-10V dimming driver standard
- Supports California Title 24 compliance
- Stem/suspension mountable
Options
- Range of lumen packages and color temperatures
- Sensors and controls
- Lens options
- Tunable white (2700K – 6500K)
- Emergency battery pack
- Neoprene gasket
- Customization available upon request
Listing
- UL USA and Canada Listed
- Suitable for damp locations
Warranty
- 5-year limited warranty
- 10-year limited warranty available
Availability
- Quick Ship
Lamp Source
- Fluorescent
- LED
- LED Tube
Lumens
- 1000
- 64000
Dimming Protocol
- 0-10 V
- D4i
- DALI
- DMX
- Forward Phase
- Lutron
- Step-Dimming
- Two Wire
Ratings & Compliance
- Build America Buy America (BABA)
- Buy American Act (BAA)
- Damp
- Made in America
- Title 24
CRI
- 80
- 90
Color / Finish
- Anti-Microbial
- Black
- Bronze
- Camaro Silver
- Custom
- Red
- White
Controls Options
- High Frequency Microwave
- Passive Infrared
- Photocell
- Ultrasonic
- Wireless Control
Dimensions
- L: 48 In. W: 48 In. H: 6 In.
CCT
- Amber
- 2700K
- 3000K
- 3500K
- 4000K
- 5000K
- 6500K
Dimming Range
- 1%
- 10%
- 5%
Distribution
- Direct
Dynamic LED Color
- RGBW
- Tunable White
Efficacy
- 128.5
- 131.0
- 133.5
- 136.3
- 136.4
- 137.6
- 139.3
- 139.4
- 141.0
- 142.8
- 143.3
Emergency Options
- Battery Pack
- External Line Fuse
- Generator Transfer Device
- Inverter
- Surge Protector
Lamp Base
- FA8
- G13
- G5
- R17D
Lamp Life
- 50000
Listings
- UL
Materials
- Acrylic
- Steel
Mounting
- Ceiling
- Stem
- Suspended
Static LED Color
- Blue
- Green
- Red
Voltage
- 120 V
- 120-277 V
- 120-347 V
- 347 V
- 480 V
- UNV
Warranty
- 5 yr
- 10 yr
Watts
- 24.9
- 46.6
- 47.2
- 69.2
- 72.8
- 94.3
- 99.1
- 120.0
- 126.0
- 143.2
- 153.4
