---
lang: "en"
title: "KNX Network Power Supply 640 mA"
sku: "KNX-20E-640"
canonical_url: "https://shop.marcomweb.it/en/konnex/knx-network-power-supply-640-ma"
brand: "MARCOM S.r.l."
end_of_life: "false"
---

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KNX-20E-640 KNX network power supply 640mA

KNX-20E is capable of driving the standard KNX bus system, and devices on the KNX bus can be connected via KNX twisted pairs, making it highly suitable for monitoring and control within buildings, including lighting, blinds, security systems, energy management, heating, ventilation, and air conditioning systems, signaling and monitoring systems, surface interfaces and building control systems, remote control, measurement, audio/video control, household appliances, etc.

The aforementioned structures and systems can exchange and manage information; all intelligent applications in the home or buildings can therefore be controlled simply through a uniform and integrated control interface system.

## Technical Features

- compact size with 3SU width (52.5 mm)
- safety extra-low voltage (SELV)
- 180~264VAC input
- no-load power consumption <0.5W
- installation on DIN rail TS-35/7.5 or 15

---

Source: https://shop.marcomweb.it/en/konnex/knx-network-power-supply-640-ma

MARCOM S.r.l. — a trusted supplier for industrial automation and building automation.