The KNX-40E-1280(D) is a compact, high-efficiency power supply designed for building automation. It delivers 1280mA with a 38.4W output, supporting KNX bus choke and auxiliary power. Features include wide temperature operation (-30°C to +70°C), LED indicators for status monitoring, and protection against short circuit, overload, and overvoltage. Suitable for lighting, HVAC, security, blinds, and monitoring systems, it meets safety standards EN61558 and EN50178, with an impressive MTBF of over 487,000 hours, ensuring reliable performance in intelligent building controls.
MEAN WELL KNX40E1280D KNX Power Supply Specifications:
Rated Current: 1280mA
Rated Power: 38.4W
Input Voltage Range: 180~264VAC, 176~280VDC
Output Voltage: 30V (bus), additional 30V for auxiliary
Ripple & Noise: Max. 100mVp-p
Protection: Short circuit, Overload, Over voltage
Efficiency: 86% at full load
Operating Temperature: -30°C to +70°C
MTBF: Over 487,000 hours
Dimensions: 72 x 90 x 57mm (W x H x D)
Mounting: DIN rail TS35/7.5 or TS35/15
Safety Standards: EN61558, EN50178
Working Humidity: 20~95% RH non-condensing
Isolation Voltage: 4.2kVAC (I/P-O/P)
Buy the MEAN WELL KNX-40E-1280 Reliable Building Automation Power Supply
Purchase the MEAN WELL KNX Power Supply instantly online to ensure reliable building automation performance. With a compact design, high efficiency, and robust protections, it supports KNX bus choke and auxiliary power for automation, lighting, HVAC, security, and monitoring systems. Easy to install on DIN rails, it features status LEDs, wide temperature range, and compliance with safety standards, offering over 487,000 hours of MTBF. Invest now for dependable, energy-efficient building control solutions.
Get MEAN WELL KNX 40E 1280 today—built for precision, long-lasting durability, and seamless building automation integration.
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