Identification & Application Diode LED CBU-PWM4-4-LR CASAMBI Bluetooth Controllable 4CH PWM Dimmer The Diode LED CBU-PWM4-4-LR is a Casambi-enabled Bluetooth® four-channel PWM dimmer designed for constant voltage LED lighting systems operating from 12-24VDC power supplies. Supporting RGBW, RGB, tunable white (TW), and single-color LED applications, this compact wireless controller provides intelligent lighting control through the Casambi App for iOS and Android devices without requiring a central gateway. Featuring four independently controlled PWM output channels with a maximum combined output current of 4 amps, the CBU-PWM4-4-LR allows flexible channel allocation for a wide variety of LED strip configurations. Casambi mesh networking enables each controller to function as a repeater, allowing lighting systems with up to 250 compatible devices to automatically create a robust wireless control network with extended communication range. Designed for professional installations, the CBU-PWM4-4-LR includes protection against overvoltage, overcurrent, and short circuits while supporting traditional wall switch control in addition to Bluetooth operation. Its compact IP20-rated housing makes it ideal for architectural lighting, accent lighting, cove lighting, hospitality projects, retail environments, residential smart lighting, and commercial LED strip installations. Technical Performance Specifications Brand Diode LED / Casambi SKU / MPN CBU-PWM4-4-LR Product Type Bluetooth 4-Channel PWM LED Dimmer Control Protocol Casambi Bluetooth Mesh Input Voltage 12-24VDC Class 2 Constant Voltage Output Voltage 12-24VDC Maximum Output Power 96W @ 24VDC / 48W @ 12VDC Maximum Output Current 4.0A Total (Shared Across Four Channels) Channels 4 Independent PWM Channels Dimming Method Pulse Width Modulation (PWM), 400Hz Supported Lighting Types Single Color, RGB, RGBW, Tunable White (TW), Multi-Channel LED Strips Wireless Frequency 2.402-2.480 GHz Bluetooth Wireless Range Up to 650 ft (200 m) Line-of-Sight with Long Range Mode Network Capacity Up to 250 Casambi Devices Control Methods Casambi App and Traditional Wall Switches Operating Temperature -4°F to 113°F (-20°C to 45°C) Maximum Case Temperature 149°F (65°C) Degree of Protection IP20 (Indoor Use Only) Dimensions 2.86 × 1.18 × 0.71 in. Weight 0.82 oz. Wire Size 14-22 AWG Solid or Stranded Conductors Certifications UL Listed, FCC, IC Protection Features Overvoltage, Overcurrent, and Short Circuit Protection Applications LED Strip Lighting, RGBW Lighting, RGB Lighting, Tunable White Systems, Cove Lighting, Accent Lighting, Hospitality, Retail, Residential Smart Lighting, Commercial Architectural Lighting, and Custom LED Control Systems
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