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

59.80€ * 80.80€ * (25.99% saved)
Net price: 50.25€
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... 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/tags of this product family. Please refer about the details in the description or datasheet.
Constant Voltage: 30V
Application/IP-Code: IP20 - IP44 (Indoor)
Dimmable/Control: KNX
Power: 5 - 20 W
Data sheet KNX power supply
Read, write and discuss reviews... more
Customer evaluation for "KNX Power supply 30V/640mA 20W from Meanwell"
Write an evaluation
Evaluations will be activated after verification.
I have read and understood the Privacy policy.

The fields marked with * are required.

LCM-60 Meanwell LCM-60 multi-current LED driver up to...
Variants from 33.32€ * 36.40€ *
Order number: 1742-LCM-60-0
LCM-40 Meanwell LCM-40 Multi current LED driver up to...
Variants from 30.23€ *
Order number: LCM-40-0
KAA-8R Meanwell KNX 8 Channel Universal Actuator KAA-8R
Variants from 206.06€ *
Order number: KAA-8R-16-A
 KNX-40E-1280 Meanwell Switching power supply 30V/1280mA 40W
Content 1
Variants from 141.37€ *
Order number: KNX-40E-1280-O