Product Model：1280mA / 640mA

·  KNX bus power supply with 1-way auxiliary power output.

· Complies with KNX/EIB bus device power requirements.

· Integrated short-circuit and overcurrent protection.

· Load status indicator for real-time monitoring.

· System reset function for fault recovery.

· Ripple < 150mV (1280mA model).

· Ripple < 100mV (640mA model).

KNX Bus Power Supply (1280mA Model)
Input Voltage: AC 100-240V, 50-60Hz
Efficiency: 87%
KNX Bus Output: 21-30V DC, 1-way with choke
Auxiliary Output: 30V DC, 1-way without choke
Bus Output Current: I1 ≤1280mA (short-circuit protected)
Auxiliary Output Current: I2 ≤1280mA
Bus Output Power: ≤38.4W
Auxiliary Output Power: ≤38.4W
Voltage Accuracy: ±5% (KNX), ±1% (Auxiliary)
Hold-up Time: 100ms @230VAC
Overload Protection: 2.65-3A, hiccup mode, auto-recovery
Output Voltage Range: DC 33-35V
Operating Temperature: -20°C to +50°C
Storage Temperature: -25°C to +55°C
Transport Temperature: -25°C to +70°C
Relative Humidity: Max. 90% (non-condensing)
Housing Material: PA66
Dimensions (L×W×H): 145mm × 90mm × 64mm
Installation: 35mm DIN rail mounting

KNX Bus Power Supply (640mA Model)
Input Voltage: AC 100-240V, 50-60Hz
Efficiency: 84%
KNX Bus Output: 21-30V DC, 1-way with choke
Auxiliary Output: 30V DC, 1-way without choke
Rated Output Current: I1 + I2 ≤640mA (short-circuit protected)
Voltage Accuracy: ±3%
Hold-up Time: 100ms @230VAC
Overload Protection: <1.5A, hiccup mode
Output Overvoltage Protection: 33-35V, hiccup mode
Operating Temperature: +5°C to +45°C
Storage Temperature: -25°C to +55°C
Transport Temperature: -25°C to +70°C
Relative Humidity: Max. 90% (non-condensing)
Housing Material: PA66
Dimensions (L×W×H): 72mm × 90mm × 64mm
Installation: 35mm DIN rail mounting