12V-24V 30A PWM LED Dimmer and DC Motor Speed Controller Box

12V-24V 30A PWM LED Dimmer and DC Motor Speed Controller Box is an enclosed high-current Pulse Width Modulation (PWM) brightness dimmer and low-voltage DC regulator housed in a rugged metal/ABS surface-mount box with a smooth rotary control knob. Operating across 12V to 24V DC at up to 30A continuous current (360W at 12V / 720W at 24V), it provides flicker-free 0%–100% stepless brightness adjustment for single-color LED strips, COB light bars, and halogen lamps, as well as speed control for 12V/24V DC fans and blowers.

Key Features:

• High-Power 30A PWM Output (Up to 720W): Heavy-duty internal MOSFET switching stage handles up to 360W at 12V DC and 720W at 24V DC without bulky rheostat heat loss.
• 0% to 100% Stepless Rotary Knob Dimming: Smooth front-panel potentiometer knob adjusts PWM duty cycle continuously from complete OFF (0%) to full brightness (100%).
• Flicker-Free High-Frequency PWM: Protects LED chips from rush currents and prevents visible camera/eye flicker across the entire dimming curve.
• Flip-Top Covered Screw Terminal Block: Large 4-pin barrier screw terminals (IN+, IN-, OUT+, OUT-) under a protective hinged cover accept thick 12–18 AWG power cables.
• Flanged Surface-Mount Enclosure: Integrated side mounting ears allow easy screw installation inside cabinets, RVs, boats, and lighting consoles.

Technical Specifications:

• Input Supply Voltage: 12V to 24V DC
• Maximum Output Current: 30A
• Maximum Output Power: 360W (at 12V DC) / 720W (at 24V DC)
• Control Method: Rotary Potentiometer PWM Duty-Cycle Modulation (0%–100%)
• Static Power Consumption: < 1W
• Operating Temperature Range: -20°C to +60°C

Mechanical Specifications:

• Enclosure Material: Ventilated Metal / Flame-Retardant ABS Casing with Brushed Rotary Knob
• Terminals: 4-Pin Screw Barrier Strip (Power V+/V-, Load V+/V-)
• Mounting: 2 × Slotted Base Mounting Flanges

Dimensions:

• Length: 85 mm
• Width: 65 mm
• Height: 20 mm (35 mm including Rotary Knob)
• Weight: ~90 g

Pinout and Wiring:

• INPUT V+ / V-: Connect to a regulated 12V or 24V DC SMPS or battery bank. Warning: Never connect to 110V/220V AC mains!
• OUTPUT V+ / V-: Connect to single-color 12V/24V LED strips, COB modules, or DC fans.
• Rotary Knob: Turn clockwise to increase brightness from 0% to 100%; turn fully counterclockwise to shut off.

Datasheet Reference:

• Circuit Architecture: NE555 PWM Oscillator + High-Current Low-Side N-Channel Power MOSFET Array

Commonly Used in:

• 12V / 24V Single-Color SMD 5050, 2835, and COB LED Strip Dimming
• RV, Camper Van, and Marine Cabin 12V Interior Lighting
• Commercial Display Cases, Studio Panels, and Under-Cabinet Lights
• 12V / 24V DC Blower Fan & Heater Element Control

Applications:

• Dims multiple parallel 5-meter rolls of 12V or 24V single-color LED tape simultaneously from a single wall-mounted knob.
• Conserves battery power in off-grid 12V solar cabins, camper vans, and boats by reducing LED draw during night hours.
• Pairs directly with 12V 5A/10A/20A/30A metal SMPS units for complete dimmable architectural lighting installations.

Equivalent Models:

• 12V-24V Mini RGB Triple Keys Light Strip Controller: Ultra-compact inline 3-button controller for RGB/LED strips.
• DC 5V-36V 15A 400W Switch Large Power MOSFET Module: Bare-PCB MOSFET module for microcontroller PWM dimming.

Package Includes:

• 1 × 12V-24V 30A PWM LED Dimmer and DC Motor Speed Controller Box