MEAN WELL RS-25-3.3 - 19.8W 3.3V 6A Enclosed Switching Power Supply

Single-output enclosed switching power supply delivering a stable 3.3 VDC at up to 6 A from a universal AC input. The RS-25-3.3 provides 19.8 W of continuous power with 73.5% efficiency, making it a reliable choice for industrial control, automation, and LED lighting systems.

Advantages

Compact chassis-mount design with free air convection cooling eliminates the need for a fan, reducing noise and maintenance. Built-in protections against short circuit, overload, and overvoltage ensure long-term reliability. Wide input voltage range from 88 to 264 VAC accommodates global mains standards without switches or jumpers.

Suitable for

• Industrial automation and control panels
• LED lighting and signage
• Test and measurement equipment
• Telecommunications and networking devices
• General electronics requiring low-voltage DC power

Key specifications

• Output: 3.3 VDC, 6 A, 19.8 W
• Input: 88–264 VAC / 125–373 VDC, 47–63 Hz
• Efficiency: 73.5%
• Hold-up time: 80 ms at full load, 230 VAC
• Ripple & noise: 80 mVp-p
• Adjustable output voltage: ±5% (3.135–3.465 V)
• Operating temperature: -20 to +70 °C
• Cooling: Free air convection
• Safety standards: UL60950-1, TUV EN60950-1, CB, CE
• Isolation: I/P-O/P 3 kVAC, I/P-FG 1.5 kVAC, O/P-FG 0.5 kVAC

Recommendations

For reliable low-voltage DC power in compact industrial applications, the MEAN WELL RS-25-3.3 offers proven performance and robust protection. Pair with appropriate wiring and ensure adequate ventilation for optimal lifespan.