MEAN WELL KNX-20E DIN Rail Power Supply 30V 640mA 19.2W

The MEAN WELL KNX-20E is a high-efficiency KNX power supply delivering a stable 30V DC output at 640mA (19.2W) in a compact 3SU (52.5mm) footprint. Designed for building automation systems, it features an integrated KNX bus choke and an additional output for ancillary power, ensuring flexible installation options.

This unit operates reliably across a wide temperature range from -30°C to +70°C, making it suitable for various environments. Safety extra-low voltage (SELV) compliance, short-circuit, overload, and over-voltage protections, and Class I isolation ensure safe and dependable performance. Free air convection cooling eliminates the need for a fan, reducing maintenance.

Key features include:

• Integrated KNX bus choke for stable bus communication
• Compact 3SU (52.5mm) width for space-saving DIN rail installation
• Safety extra-low voltage (SELV) output
• Wide input voltage range: 180–264V AC
• No-load power consumption ≤ 0.5W for energy efficiency
• Protection: short circuit, overload (short-circuit-proof), over voltage
• Cooling by free air convection
• Isolation Class I
• LED indicators for normal operation, bus reset, and bus overload
• Installed on DIN rail TS-35 (7.5 or 15mm)
• 100% full load burn-in test for reliability

The MEAN WELL KNX-20E is ideally suited for powering any KNX-certified devices in residential and commercial building automation projects. Its robust construction and proven performance ensure long-term, trouble-free operation.