Powerwerx
30 Amp Desktop Switching Power Supply
Best reliable power source for amateur radio and security equipment operators.
This Powerwerx SS-30DV switching power supply provides a stable 14.1 VDC output, ideal for various 12V DC applications such as radio communications and security systems. It delivers 25 Amps continuous and can surge up to 30 Amps for short periods. Its compact desktop design ensures easy placement. Connections can be made via the front Powerpole connectors or rear binding posts. The unit features a switchable 115V/230V AC input for versatile power source compatibility and includes built-in protections for safe and reliable operation.
$139.99
Owner Satisfaction
4.7
/ 5
Category Rank
28
/ 1062
#28 in Computer Power Supplies
Price vs Category Average
-85%
Below average
Output Voltage
14.1
/ Fixed VDC
Who it's for
- Desktop users needing a space-saving, portable power solution
- Amateur radio operators requiring secure, standardized high-current connections
- Efficiency-minded users wanting to minimize heat and energy waste
Who should skip it
- Radio enthusiasts using sensitive equipment on lower frequency bands
- Quiet-office workers distracted by active cooling fan noise
- Technicians preferring simple, easily repairable hardware designs
Performance breakdown
Power Stability
Delivers consistent voltage with minimal ripple for sensitive radio equipment.
Connectivity Versatility
Dual output options accommodate both standard binding posts and Powerpole connectors.
Thermal Management
Temperature-controlled fan keeps the unit cool during extended high-load operations.
Form Factor
Compact desktop footprint saves valuable space in crowded radio shacks.
Input Compatibility
Switchable voltage settings ensure reliable performance across global power standards.
Safety Reliability
Robust built-in protections safeguard your gear against current and heat spikes.
Key Specs
Output Voltage
Fixed 14.1 VDC
Continuous Output Current
25 A
Surge Output Current
30 A (up to 5 minutes)
Input Voltage Range
100-120 VAC or 200-240 VAC (Switchable)
Dimensions
154mm L x 127mm W x 63mm H (6.1 x 5 x 2.5 in)
Weight
3.0 lbs (1.36 kg)
Ripple and Noise Max
<100mVpp
Operating Temperature Range
0 – 50 °C
Features
- Provides 25A continuous and 30A surge current
- Dual output connectors: Powerpole and binding posts
- Compact desktop footprint
- Switchable 115V/230V AC input
- RACES/ARES standard Powerpole orientation
- Quiet, temperature-controlled cooling fan
- Illuminated power switch
- Built-in protection features
What customers say
This desktop power supply earns high praise, especially from the amateur radio community, for its exceptional reliability and performance. Users consistently report clean, stable output voltage with remarkably low noise, which is vital for sensitive electronics. Its compact design integrates easily into busy workspaces without limiting its robust 30-amp capability. While the initial cost is higher than generic options, customers feel the superior build quality and dependable internal components fully justify the investment. This unit is viewed as a premium, long-term solution for hobbyists and professionals needing consistent, high-current DC power. The overall sentiment reflects strong confidence in its dependable operation.
Know before you buy
Yes, the unit features a switchable 115V/230V AC input, making it compatible with power standards in most countries.
The front features Powerpole connectors for quick, standardized connections, while the rear provides traditional binding posts for more permanent or heavy-duty wiring setups.
No, the unit uses a temperature-controlled cooling fan. It only engages when necessary to maintain safe operating temperatures, keeping noise levels low during light usage.
The unit is rated for 25 amps of continuous current. It can handle a 30-amp surge, but this is limited to short periods of up to 5 minutes.
The power supply includes integrated over-current and over-temperature protection to prevent damage to the unit or your connected equipment during a fault.
No, the output voltage is fixed at 14.1 VDC, which is the standard requirement for most 12V radio communications and security equipment.
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