KNX Power supply 30V/640mA 20W from Meanwell

78.76€ *
Net price: 67.90€
Quantity Unit price
To 4 78.76€ * ( 67.90€ Netto )
From 5 74.94€ * ( 64.60€ Netto )
From 10 71.69€ * ( 61.80€ Netto )
From 20 69.60€ * ( 60.00€ Netto )
Content: 1

Prices incl. VAT plus shipping costs

Delivery time 3-5 workdays*


  • KNX-20E-640
  • 0.215 kg
KNX Power supply from Meanwell The KNX power supply KNX-20E-640 is a 640mA power supply with... more

KNX Power supply from Meanwell

The KNX power supply KNX-20E-640 is a 640mA power supply with high efficiency and a small footprint of only 52.5mm. The device has a KNX bus choke output and an additional output for auxiliary power. The wide temperature range of -30 ~ + 70 ° C can cover all types of applications. LED indicators are used in normal operation, overload conditions and setting mode. It is perfectly suited to operate all products marked with the KNX trademark. With over 30 years of experience in industrial power supply, the KNX-20E-640 has been developed as a reliable and safe solution for the KNX bus environment. 

Features of the power supply:

  • KNX power supply with integrated choke
  • Can be mounted directly on the DIN rail
  • Closed design, touch-protected screw connections
  • Universal input
  • Overload protection through current limitation, auto-recovery
  • Protections: Short circuit / overload (short-circuit-proof)/ over voltage

Technical data:

Input voltage range 180...264V AC (47...63Hz)
  254...370V DC
Inrush current, typ. 40A
Leakage current, max 1mA
No-load power, max. 0,5W
Overload protection 205...235%
Isolation voltage  
I/P-O/P 3750V AC
I/P-FG 2000V AC
O/P-FG 1250V AC
Operating temperature range -30...+70°C
Weight 215g

Please take further technical details from our downloads.

Related links to "KNX Power supply 30V/640mA 20W from Meanwell"
Reliable 30V / 640mA 20W KNX power supply from Meanwell. Best suited for all products that are... more
Features of the product family. Details on variants can be found in the description.
Constant Voltage: 30V
Application: IP20 - IP44 (Indoor), IP65/67 (Outdoor)
Constant Current: 0,6A, 0,65 A, 0,65A
Power: 20W
Data sheet KNX power supply
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