0-10V / TRIAC / PWM Multi-Protocol Dimming LED Driver 400W

Multi-protocol dimming LED driver 300W-400W. Supports 0-10V / TRIAC phase-cut / PWM / resistance dimming. 12V/24V/36V/48V output. IP65 waterproof, UL/cETL/CE/FCC certified. Compact aluminum case. 5-year warranty. OEM/ODM available.

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The KSPOWER 400W MP/MO/MT/M Series represents the pinnacle of smart dimming technology. Designed for large-scale commercial installations, this Multi-Protocol Dimming LED Driver 400W provides high-density power with a compact aluminum footprint. It solves the common contractor headache of matching drivers to control systems—one driver fits all major global dimming standards. Its advanced heat dissipation design ensures the “coolest” operation in its class, protecting both the driver and the LEDs from thermal degradation.

Key Features

  • Universal 5-in-1 Dimming: One SKU for Triac (Phase-cut), 0-10V, 1-10V, 10V PWM, and Potentiometer.
  • Superior Thermal Performance: Low temperature rise and high-efficiency design for long-term reliability in enclosed spaces.
  • 100% Flicker-Free Dimming: High-resolution output down to 0.01%, perfect for sensitive video and high-end residential environments.
  • Ultra-Compact Aluminum Case: High power density with superior EMI shielding and thermal conductivity.
  • Safety & Compliance: UL/cUL Listed, Class P, FCC Part 15B compliant, and RoHS certified.
  • Protection Suite: Auto-reset for over-voltage, over-current, over-temperature, and short-circuits.

Model Selection Matrix (16 Models)

Function SeriesDimming Capability12V Output24V Output36V Output48V Output
M SeriesNon-DimmableKS-12360aKS-24400aKS-36400aKS-48400a
MT SeriesTriac / Phase-CutKS-12360a-TKS-24400a-TKS-36400a-TKS-48400a-T
MO Series4-in-1 (0-10V/PWM/Res.)KS-12360a-OKS-24400a-OKS-36400a-OKS-48400a-O
MP Series5-in-1 (Universal)KS-12360a-PKS-24400a-PKS-36400a-PKS-48400a-P

The 5-in-1 Dimming Platform

The 5-in-1 dimming platform is the key differentiator of this product series. Instead of choosing between dimming protocols at the point of order, the same physical driver can be wired on-site to operate with any of the following five dimming methods:

Dimming MethodSignal TypeHow It WorksBest For
① TRIAC / ELV / MLVPhase-cut ACChops the AC sine wave beginning (leading-edge) or end (trailing-edge) to control average power. No extra wiring needed — uses the existing AC line.North American residential retrofit projects with existing TRIAC dimmer switches
② 0-10V AnalogDC voltageA separate 2-wire control cable carries 0-10V DC signal from the dimmer. 10V = full brightness; 0V = off or minimum.Commercial building automation (BAS), European projects, DALI gateway integration
③ 1-10V (European Standard)DC voltageSame 2-wire 0-10V wiring as above, but with a different dimming curve optimized for the European market (1V = minimum, 10V = maximum).European commercial and architectural projects with 1-10V control systems
④ 10V PWM DigitalPWM signalA digital pulse-width modulation signal (10V amplitude, adjustable duty cycle) controls brightness. High noise immunity over long cable runs.Industrial environments, long-distance dimming control (>50m cable runs)
⑤ Resistive / PotentiometerVariable resistanceA rotary potentiometer (dimmer knob) adjusts brightness by changing the resistance in the control circuit. Simplest and lowest-cost option.Simple single-room installations, retrofit projects without automation infrastructure

On-site wiring guide: The driver is pre-wired with clearly labeled dimming input terminals. Switch between dimming modes by selecting the appropriate wiring configuration — no firmware changes, no special tools required.

Four Function Versions

VersionSeriesDimming ProtocolsDimming RangeTypical Use
5-in-1 Full PlatformMP SeriesTRIAC + ELV + MLV + 0-10V + 1-10V + PWM + Resistance0.01%-100%, flicker-freeGlobal distributors, multi-protocol projects, smart building
TRIAC / Phase-CutMT SeriesTRIAC / ELV / MLV (leading-edge + trailing-edge phase-cut)1%-100%, flicker-freeNorth American residential / hotel retrofit
0-10V AnalogMO Series0-10V + 1-10V + 10V PWM + Resistance1%-100%, flicker-freeCommercial BAS, European projects, DALI gateway
Non-Dimmable (Base)M SeriesNone — constant voltage output onlyN/ABasic installations, signage, budget projects

All four versions share the same mechanical dimensions (258×68×41mm), IP rating (IP65/NEMA 3R), certifications, and 5-year warranty — enabling flexible inventory management with one mechanical SKU.

Application Scenarios

ApplicationWhy 5-in-1 MP Series Is IdealRecommended Voltage
Smart / Connected BuildingsIntegrates with BACnet, KNX, DALI-2 via 0-10V gateway; TRIAC compatibility for existing switches24V / 48V
Commercial Office LightingMulti-zone control from one driver, supports circadian rhythm tuning via 0-10V BMS24V
Hotel & HospitalityTRIAC dimming matches existing wall dimmers; tunable white supports guest room ambiance24V
LED Strip Lighting Projects4-channel output independently controls 4 LED runs; PWM output compatible with all LED strip types12V / 24V
Architectural Facade LightingIP65 outdoor rated; 4-channel allows independent zone control for complex facade patterns24V / 48V
Retail & Shop LightingDim-to-warm tunable white option creates dynamic product display ambiance; compact for tight ceilings24V
Parking Garage LightingIP65 NEMA 3R rated for covered outdoor use; high PF meets commercial energy codes48V
Tunable White Human-Centric Lighting4-channel design supports independent warm/cool channel control for CCT tuning24V / 36V

 

What does '5-in-1' dimming mean, and why should I choose it over a single-protocol driver?
The 5-in-1 dimming platform integrates five independent dimming protocols — TRIAC/ELV/MLV phase-cut, 0-10V analog, 1-10V (European), 10V PWM digital, and resistive potentiometer — into one driver model. This means you can stock one SKU that works with any dimming system: a TRIAC wall dimmer in North American retrofit, a 0-10V BMS in European commercial buildings, or a simple rotary knob in a residential project. This dramatically reduces inventory complexity and eliminates the risk of specifying the wrong dimming variant for a project.
All three use a 2-wire control cable, but the signal type differs: 0-10V and 1-10V are analog DC voltage signals. In 0-10V, 10V = maximum brightness and 0V = minimum (or off). In 1-10V (European standard), 1V = minimum brightness and 10V = maximum. 10V PWM is a digital pulse-width modulation signal at 10V amplitude. The duty cycle (the percentage of time the signal is ON) controls brightness — 100% duty = maximum, 0% duty = off. PWM has superior noise immunity and can travel >100m without signal degradation, making it ideal for large buildings with long cable runs. All three are compatible with the MP Series driver — the wiring terminal labeling clearly indicates which pair to use for each protocol.
ree samples (1-2 units) are available for qualified B2B buyers — buyer pays freight. Sample cost is refunded against bulk orders of 50+ units. Standard stock models (MP/MO/MT/M Series in 24V/300W and 24V/384W) have no MOQ — order from 1 piece for in-stock SKUs.

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