Exterior 420 (discontinued)

Exterior 420
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For white light designs requiring the added flexibility of color temperature control from warm to cold white, the Exterior 420™ offers one of the most powerful white light units on the market, with even output across a wide color temperature range.

The Exterior 400™ Range

The outdoor installation market now has the best combination of powerful, compact and energy-efficient LED light fixtures. No matter the application - long or short throw, cold or warm white, dynamic or static color - the Exterior 400 Range does it all.

  • Perfect color temperature control from warm to cold white
  • Very high efficacy
  • No color separation or shadows due to use of premixed LED







  • Extremely bright white light (5900 lm) with color temperature control
  • Very broad color temperature range (2700 - 6500 K)
  • Very low power consumption (max 139 W)
  • Choice of beam angles - 8°, 14°, 33°, 54°
  • Color calibration ensuring uniform colors across fixtures
  • Internal power and control
  • Super rugged IP65 housing
  • Choice of white, black or aluminum housing
  • 0 – 100% intensity control


PhysicalLength: 169 mm (6.7 in.) including cable glandWidth: 307 mm (12.1 in.)Height: 401 mm (15.8 in.)Weight: 7.6 kg (16.8 lbs.) including bracket
Dynamic EffectsColor temperature control: Variable
Control and ProgrammingColor control modes: Color temperature control and intensityControl options: DMX, stand-alone, synchronized (master/client)DMX channels: 2DMX address setting: PC with Martin MUM™ software and DABS1™ hardware interfaceStand-alone trigger options: Internal timer and/or ambient light levelStand-alone and master/client programming: PC with Martin MUM™ software and DABS1™ hardware interface26-bit control (internal): Color temperature control and intensityProtocol: USITT DMX512-AReceiver: RS-485Firmware update: Serial upload via DMX link
OpticsLight source: Cree XP-E high power emittersMinimum LED lifetime: 50 000 hours (to >70% luminous output)*Very Narrow (no diffuser), Narrow, Medium and Wide beam angles available*Figure obtained under manufacturer's test conditions
ConstructionColor: Clear anodized, black or whiteHousing: Anodized aluminumMounting bracket: 8 mm (0.32 in.) anodized aluminumFront glass: 6 mm (0.24 in.) anti-reflection coatedProtection rating: IP65
InstallationOrientation: AnyMounting: Flat surface at any angle, pedestal or other suitable supportVertical aiming: 330°Minimum distance to illuminated surfaces: 0.1 m (0.33 ft.)
ConnectionsPower cable entry: IP68 cable glandPower connection: 1.8 m (5.9 ft.) cable tailData cable entry: IP68 cable glandData connection: 1.8 m (5.9 ft.) combined input + output cable tail
ElectricalAC power: 100-240 V nominal, 50/60 HzStandby power: 13 WPower supply unit: Integrated, auto-sensing multi-voltageMain fuse: 2.5 AT (slow blow)
Typical Power and Current100 V, 50 Hz: 139 W, 1.4 A, PF 0.990100 V, 60 Hz: 139 W, 1.4 A, PF 0.989110 V, 60 Hz: 137 W, 1.3 A, PF 0.988120 V, 60 Hz: 136 W, 1.2 A, PF 0.986208 V, 60 Hz: 133 W, 0.7 A, PF 0.932230 V, 50 Hz: 132 W, 0.7 A, PF 0.925240 V, 50 Hz: 131 W, 0.7 A, PF 0.886Measurements made at nominal voltage with all LEDs at full intensity. Allow for a deviation of +/- 10%.
ThermalCooling: ConvectionMaximum ambient temperature (Ta max.): 45° C (113° F)Minimum ambient temperature (Ta min.): -30° C (-22° F), power must be maintained below 0° C (32° F)Maximum surface temperature, steady state, at 40° C ambient:90° C (194° F)Total heat dissipation (calculated, +/- 10%): 480 BTU/hr.
ApprovalsEU safety: EN 60598-2-5 (EN 60598-1), IEC/EN 60825-1EU EMC: EN 55015, EN 55103-1, EN 55103-2, EN 61000-3-2, EN 61000-3-3US safety (US model): UL 1598Canadian safety (US model): CAN/CSA C.22.2 No. 250
Included ItemsAdjustable mounting yokeNarrow, Medium and Wide diffusers (supplied separately with product)Hard-wired 1.8 m (5.9 ft.) power and data in/out cable tails without connectorsUser manual
AccessoriesDiffuser, Exterior 400 Series, Narrow: P/N 41600122Diffuser, Exterior 400 Series, Medium: P/N 41600123Diffuser, Exterior 400 Series, Wide: P/N 41600124Diffuser, Exterior 400 Series, Narrow, Directional 15°x1°: P/N 41600156Diffuser, Exterior 400 Series, Medium, Directional 30°x3°: P/N 41600157Diffuser, Exterior 400 Series, Wide, Directional 60°x1°: P/N 41600158Diffuser, Exterior 400 Series, Wide, Directional 60°x10°: P/N 41600159Exterior 200 floor stand: P/N 91611305Safety eyebolt: P/N 916112393-pin male XLR connector, cable-type, IP65: P/N 916113063-pin female XLR connector, cable-type, IP65: P/N 91611307
Related ItemsMartin DABS1™ USB interface box incl. cables: P/N 90758090
Spare Parts2.5 AT main fuse: P/N 05020010
Ordering InformationExterior 420, EU Model, Aluminum: P/N 90545051Exterior 420, US Model, Aluminum: P/N 90545152Exterior 420, EU Model, Black: P/N 90545062Exterior 420, US Model, Black: P/N 90545162Exterior 420, EU Model, White: P/N 90545072Exterior 420, US Model, White: P/N 90545172


  Version Language Size Uploaded
file type icon Exterior 420 Spec Sheet-English
en updated: Oct 2020
  en  537 KB Oct 2020
file type icon Exterior 400 Range - Manuel d´utilisation
fr version C, updated: May 2018
fr  1.26 MB May 2018
file type icon Exterior 400 range - User Manual
en version F, updated: Jul 2020
en  2.01 MB Jul 2020
file type icon Exterior 400 Range - Bedienungsanleitung
de version C, updated: Oct 2020
de  1.14 MB Oct 2020
file type icon EXT400 Range Dimensions (DXF)
en version A, updated: May 2018
en  289 KB May 2018
file type icon EXT400 Range 3D Symbol
en version A, updated: May 2018
en  1.44 MB May 2018
file type icon EXT400 Range Dimensions (PDF)
en version A, updated: May 2018
en  165 KB May 2018
file type icon Vectorworks Symbols
en version 3.8, updated: Dec 2023
3.8  en  371 MB Dec 2023
file type icon Exterior 200 LED / 400 Range - ETL Authorization To Mark
en version B, updated: Oct 2020
en  105 KB Oct 2020
file type icon Exterior 400 Range - EU Declaration of Conformity
en version B, updated: May 2018
en  43.1 KB May 2018
platform icon Martin USB Tools
version 1.2, updated: Jul 2020
1.2     107 MB Jul 2020
Service Procedures
file type icon Exterior 400 series Maintenance Schedule
en version A, updated: May 2018
en  217 KB May 2018
Service Notes
file type icon 3D Partsfinder - Opening using Solid Works Composer Player
version 4, updated: Oct 2020
  743 KB Oct 2020
file type icon Exterior products - Performing a vacuum test - Tech note
en version H, updated: Oct 2020
en  1020 KB Oct 2020
platform icon Exterior 420 - Firmware
version 1.4.0, updated: Feb 2024
1.4.0     Feb 2024

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