Best AC DC Dual Output Power Supplies for Projects
When you need compact, reliable dual-output power supplies for both control systems and DIY electronics, these options cover a range of input voltages, current capacities, and dual-output configurations. This guide targets buyers seeking 24V/5V or 24V/12V dual rails, ideal for industrial controllers, LED projects, CCTV setups, and small automation tasks. The top picks are suitable for hobbyists and professionals who want stable performance, built-in protections, and clear specifications. The table below summarizes key details to help you compare at a glance.
| Product | Main Output | Second Output | Input Range | Power (W) |
|---|---|---|---|---|
| NOYITO AC to DC Isolated Power Supply Module | 24V | 5V | AC 90-256V | 120 |
| Mean Well RD-35A AC to DC Power Supply | 5V | 12V | DC 5V/12V outputs; input 90-264V | 32 |
| 24V | 12V | AC 100-260V | 100 | |
| 2Pcs Isolated Power Supply Module, Shutao | 24V | 5V | AC 90-256V | 120 |
| GODIYMODULES AC-DC Isolated Switching Power Supply Module | 5V | 12V | AC 110-220V | 0.5/6 |
NOYITO Dual Output Power Module: 24V/5V
The NOYITO module provides dual outputs: 24V at up to 4A and 5V at up to 1A. It uses a wide-input AC range (90-256V) and includes overcurrent, overload, and short-circuit protections. Best for industrial control panels or automated devices that require a main 24V rail with a smaller 5V auxiliary rail. The internal double-sided PCB design supports stable performance in varied environments. This model is suitable for civil and industrial applications where robust protection and dual rails simplify wiring. Caution: ensure the 5V output current is sufficient for the intended 5V circuitry, as it is limited to 1A.
Mean Well RD-35A Dual Output 5V/12V
The RD-35A delivers a 5V output at up to 4A and a 12V output at up to 1A, totaling up to 32W. It accepts common household AC input and provides reliable DC rails for embedded systems, sensors, and small controllers. Ideal for projects needing two fixed rails with straightforward regulation. Better for applications where both a logic-level 5V supply and a higher-current 12V rail are required in the same enclosure. Limitation: the combined power is modest; ensure your load doesn’t exceed 32W in total or create heat issues in compact installations.
ATNSINC Dual Output Isolated Power Module
This module provides dual outputs: 24V at up to 4A and 12V up to 500mA. It supports a wide input range (AC 100-260V) with a 100W total power rating. It includes a status indicator. It’s well-suited for industrial control circuits, automation panels, and machines requiring a robust main rail with a smaller auxiliary rail. Choose this if you need a compact dual-output solution with clear indication and solid protection. Caution: the 12V rail is limited to 500mA unless additional cooling is applied or a larger module is used.
Shutao Dual Output Isolated Power Module
The Shutao module combines 24V at 4A and 5V at 1A in a dual-output configuration, with a wide input range of 90-256V and 120W maximum power. It is intended for dual-rail applications where the main supply drives control equipment and a secondary rail powers sensors or peripheral devices. The module’s cooling considerations are noted when the 5V rail runs near 1A. Best for compact control racks or automation panels where dual rails simplify wiring. Limitation: the 5V rail may require active cooling if operated near the 1A limit for extended periods.
GODIYMODULES Isolated Power Supply Module, 5V/12V
This compact dual-output module supplies 5V and 12V from a single AC input (110-220V). The output options—5V (0.5W) and 12V (up to 6W)—are suitable for tiny electronics projects, microcontrollers, and LED drivers. Best for low-power dual-rail needs where space is at a premium. Caution: the 5V output current is limited to relatively small loads, so verify your device’s current consumption before selecting this model.
Buying Guide: Key Considerations for AC-DC Dual Output Modules
- Output voltage and current requirements: Match the main and secondary rails to your devices. Consider both peak and continuous current ratings and whether you need higher current for one rail.
- Input voltage range: Wide-input units are more versatile, especially in environments with variable mains. Ensure compatibility with your region’s mains voltage.
- Protection features: Look for overcurrent, short-circuit, and thermal protections. These reduce risk in industrial settings and DIY projects alike.
- Physical footprint and cooling: Dual-output modules can run hot. Check enclosure space and whether additional cooling is needed for sustained loads.
- Isolation and safety: Isolated designs reduce noise and prevent backfeeding between rails. Confirm whether you require true galvanic isolation for sensitive electronics.
- Connector compatibility: Verify connector types and barrel sizes (for DC outputs) to ensure plug compatibility with your devices.
- Cost-to-utility balance: Higher-rated dual rails offer flexibility but may exceed needs. Choose a model that aligns with actual load profiles.
Frequently Asked Questions
- What is a dual-output power supply used for?
– It provides two separate DC rails from a single AC input, enabling a main power rail (e.g., 24V) and a secondary rail (e.g., 5V or 12V) for logic, sensors, and peripherals. - Do I need isolation between rails?
– Isolation helps prevent noise and fault conditions from propagating between rails, which is important in sensitive control circuits. - Can I use a dual-output supply for LED projects?
– Yes, if the LED driver or strip requires the second rail for control logic or auxiliary functions. Ensure current ratings match. - What should I check before buying?
– Confirm total power, individual rail currents, input voltage range, protection features, and enclosure size for your application. - Is a higher-wower dual-output supply always better?
– Not necessarily. Use a supply with sufficient headroom for your worst-case load and thermal conditions to avoid overheating.