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Ltech LT-451-12A Constant Voltage Controller - DALI Dimming

SKU LT-451-12A
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Overview

LT-451-12A is the 12~24Vdc output model of this series.

Features

  • Dimming interface: DALI.
  • PWM digital dimming, standard DALI logarithmic dimming curve.
  • OLED display, supporting auto-assigned/manul-input address,
  • Dimming range: 0~100%, LED start at 0.1% possible.
  • Max. current output: 12A.
  • 0-10V output, DALI system compatible with 0-10V.
  • Short circuit / Over-heat / Non load / Reverse connection protection.
  • Full protective plastic housing.
  • DALI bus standard: IEC62386.
  • Suitable for indoor environments.

Specifications

LT-451-12ASpecifications from the official datasheet (2019-01-22 edition)Download datasheet PDF

Main Characteristics

Dimming Interface
DALI (IEC62386)
Input Voltage
12~24Vdc
Output Voltage
12~24Vdc
Output
12A×1CH, 0-10V×1CH
Max. Output Power
0-144W...288W
Dimming Range
0~100% (LED start at 0.1% possible)
Protection
Short circuit / Over-heat / Non load / Reverse connection protection
Working Temperature
-30℃~55℃
Product Size
L175×W44×H30(mm)
Package Size
L178×W48×H33(mm)
Weight(G.W.)
150g

Certifications & ratings

warranty
5 years
Certification marks
FCC, CE, RoHS, ISO9001

Technical drawings

LT-451-12A DALI LED Dimming Driver
DALI LED Dimming Driver
LT-451-12A Dimensions
Dimensions
LT-451-12A Terminals Instructions
Terminals Instructions

Downloads

FAQ

What type of lighting control is the Ltech LT-451-12A designed for?

The LT-451-12A is a constant voltage controller for DALI dimming applications. It accepts a DALI digital dimming signal and is intended for DC 12V to 24V lighting systems that need smooth dimming control. This model is suited to commercial and architectural LED control setups where DALI is already being used.

What are the input voltage and output capacity of the LT-451-12A?

This controller operates on DC 12V to DC 24V input. It provides 12A on 1 channel plus 1 channel of 0-10V output. Maximum output power is 144W at 12V and 288W at 24V.

Is the LT-451-12A a single-channel controller?

Yes. The main constant voltage output is rated at 12A x 1 channel, and the unit also includes 1 channel of 0-10V output. That makes it a fit for projects that need single-channel dimming rather than multi-channel color control.

What dimming range does the Ltech LT-451-12A support?

The LT-451-12A supports a dimming range from 0% to 100%, with LED start possible at 0.1%. This gives it a wide usable control range for applications that need both low-level dimming and full output. For buyers comparing models, that range is a key specification for fine lighting adjustment.

Can the LT-451-12A be used in demanding temperature conditions?

The rated working temperature range is -30 C to 55 C. That makes it suitable for environments where the controller may be exposed to colder or warmer operating conditions than standard indoor-only electronics. Buyers should still confirm the overall enclosure and system design match the site conditions.

What physical size and warranty does the LT-451-12A offer?

The controller measures 175 x 44 x 30 mm, with a package size of 178 x 48 x 33 mm. Its listed weight is 0.150 kg, which helps when space is limited in compact control assemblies. The product also carries a 5-year warranty.

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Ltech LT-451-12A Constant Voltage Controller - DALI Dimming
Ltech

Ltech LT-451-12A Constant Voltage Controller - DALI Dimming

LT-451-12A is the 12~24Vdc output model of this series.

Features

  • Dimming interface: DALI.
  • PWM digital dimming, standard DALI logarithmic dimming curve.
  • OLED display, supporting auto-assigned/manul-input address
  • Dimming range: 0~100%, LED start at 0.1% possible.
  • Max. current output: 12A.
  • 0-10V output, DALI system compatible with 0-10V.
  • Short circuit / Over-heat / Non load / Reverse connection protection.
  • Full protective plastic housing.
  • DALI bus standard: IEC62386.
  • Suitable for indoor environments.
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