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Ltech

Ltech B5-3A 180W Bluetooth LED Controller

Bluetooth12-24VDC3A180W
SKU B5-3A
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Overview

B5-3A is the 12-24VβŽ“ output model of this series.

Features

  • Small in size and light in weight, the shell is made of Covestro/Samsung PC flame-retardant V0 grade material.
  • Equipped with a soft-start and gradual-brightening function, it offers more comfortable visual experience for human eyes.
  • Adopting Bluetooth 5.2 SIG Mesh communication protocol, it features strong networking capability, reliability and stability.
  • 5-channel constant voltage output.
  • Capable of controlling dimming, color temperature, RGB, RGBW, and RGBCW lamps.
  • Can be used with Bluetooth Series B remote controls.
  • Built-in 16 dynamic modes.
  • One controller can receive signals from 30 remote controls.
  • Input and output are separated at both ends to avoid wrong connection.
  • The controller automatically transmits the remote control signal to another remote control, extending the remote control distance.
  • One remote control can synchronously control multiple controllers.
  • Wireless remote control can be realized through the L-Home APP, and with the smart gateway, rich automatic control and cloud scenarios can be achieved.
  • Supports OTA upgrade, local scenarios, circadian lighting, and dynamic mode group synchronization.

Specifications

B5-3ASpecifications from the official datasheetDownload datasheet PDF

Technical Parameters

Model
B5-3A
Input signal
Bluetooth 5.2 SIG Mesh
Input voltage
12-24VβŽ“
Output voltage
12-24VβŽ“
Load current
3AΓ—5CH Max. 15A
Load power
180W@12V 360W@24V
Protection
Short circuit, over-temperature, over-current protection, anti-reverse connection protection
Operating temperature
-25Β°C ~ 50Β°C
Product size
L91Γ—W37Γ—H21(mm)
Packaging size
L94Γ—W39Γ—H22(mm)
Gross weight
46g

Others

Warranty periods
5 years

Certifications & ratings

Certification marks
TÜV SÜD, cRUus, S, FCC, CE, SRRC, RoHS

Technical drawings

B5-3A Wiring Application Diagram
Wiring Application Diagram
B5-3A List of Compatible Devices
List of Compatible Devices
B5-3A functions such as App remote control, scene…
functions such as App remote control, scene…
B5-3A S1 PRO
S1 PRO
B5-3A functions such as App remote control, scene… (2)
functions such as App remote control, scene… (2)
B5-3A functions such as App remote control, scene… (3)
functions such as App remote control, scene… (3)
B5-3A functions such as scene linkage.
functions such as scene linkage.
B5-3A Use with Bluetooth L-Home APP
Use with Bluetooth L-Home APP
B5-3A Use with Bluetooth L-Home APP (2)
Use with Bluetooth L-Home APP (2)
B5-3A Use with Bluetooth L-Home APP (3)
Use with Bluetooth L-Home APP (3)
B5-3A Illustration (page 5)
Illustration (page 5)
B5-3A 5. Advanced functions
5. Advanced functions
B5-3A Reset the Device (Reset to Factory defaults)
Reset the Device (Reset to Factory defaults)

Downloads

FAQ

What is the Ltech B5-3A?

It is a Bluetooth 5.2 SIG Mesh LED controller designed for 12-24V DC LED lighting systems.

What are the voltage and power specifications?

It operates on 12-24V DC input and output. It supports up to 180W at 12V or 360W at 24V, with a maximum load current of 15A across 5 channels.

How is the controller controlled?

It uses Bluetooth 5.2 SIG Mesh technology for wireless control and configuration.

What safety protections are included?

The unit features short circuit, over-temperature, over-current, and anti-reverse connection protection.

What is the operating temperature range?

It is rated for operation between -25Β°C and 50Β°C.

Which certifications does it hold?

It is certified by TÜV SÜD, cRUus, S, FCC, CE, SRRC, and RoHS.

What is the warranty period?

The product comes with a 5-year warranty.

Payment & Security

Payment methods

  • American Express
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  • Mastercard
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  • Union Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

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Ltech B5-3A 180W Bluetooth LED Controller
Ltech

Ltech B5-3A 180W Bluetooth LED Controller

Log in to see price

B5-3A is the 12-24VβŽ“ output model of this series.

Features

  • Small in size and light in weight, the shell is made of Covestro/Samsung PC flame-retardant V0 grade material.
  • Equipped with a soft-start and gradual-brightening function, it offers more comfortable visual experience for human eyes.
  • Adopting Bluetooth 5.2 SIG Mesh communication protocol, it features strong networking capability, reliability and stability.
  • 5-channel constant voltage output.
  • Capable of controlling dimming, color temperature, RGB, RGBW, and RGBCW lamps.
  • Can be used with Bluetooth Series B remote controls.
  • Built-in 16 dynamic modes.
  • One controller can receive signals from 30 remote controls.
  • Input and output are separated at both ends to avoid wrong connection.
  • The controller automatically transmits the remote control signal to another remote control, extending the remote control distance.
  • One remote control can synchronously control multiple controllers.
  • Wireless remote control can be realized through the L-Home APP, and with the smart gateway, rich automatic control and cloud scenarios can be achieved.
  • Supports OTA upgrade, local scenarios, circadian lighting, and dynamic mode group synchronization.
View product

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