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header-product Power Supply Gira KNX 320 mA with Choke REG 212200 for KNX Installations

Power Supply Gira KNX 320 mA with Choke REG 212200 for KNX Installations

Gira KNX Power Supply 320 mA REG 212200 Photo 1
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Short description

Gira KNX power supply REG 212200 provides a 320 mA output with integrated choke for KNX bus systems. Designed to feed KNX devices and sensors, it ensures stable bus voltage and protects against interference. Suitable for residential and commercial KNX installations where a dedicated 320 mA supply and line damping are required.
Warranty: 2 Years
SKU: 3511320
Manufacturer: gira
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Product information

Description

The Gira KNX power supply REG 212200 delivers a stabilized 320 mA output with an integrated choke designed for KNX bus systems. It supplies KNX devices and sensors with the required bus voltage while damping disturbances on the bus line. The device is intended for mounting in standard electrical distribution boards and is suited for both residential and commercial KNX installations where a dedicated 320 mA source and line filtering are needed.

Advantages

The power supply provides a constant 320 mA current to KNX installations and includes an integrated choke to reduce electromagnetic interference and voltage dips on the bus line. Its compact form factor enables mounting in common DIN-rail distribution cabinets and simplifies wiring by offering a reliable centralized power source for multiple KNX devices. The unit is designed to meet the electrical requirements of KNX components, ensuring stable operation and improved bus communication.

Suitable for

  • Supplying KNX actuators, sensors and panels in small to medium residential installations
  • Providing a dedicated 320 mA KNX power feed in commercial or office projects
  • Installation in distribution boards with DIN-rail mounting for organized wiring
  • Environments where line damping is required to reduce interference on the KNX bus

When it may not be suitable

This power supply is not intended for standalone use with non-KNX devices or for systems that require more than 320 mA of bus current. If the KNX installation demands higher total bus current or multiple independent power domains, a higher-capacity or additional KNX power supply should be considered. It is also not suitable where different system voltages or specialized power management functions are required.

Key specifications

  • Output current: 320 mA (stabilized)
  • Integrated choke for line damping and interference suppression
  • Mounting: DIN-rail compatible for electrical distribution boards
  • Intended application: KNX bus power supply for devices and sensors
  • Suitable for residential and commercial KNX installations

How to use

Install the power supply on a DIN-rail inside the distribution board according to local electrical regulations and wiring standards. Connect the mains input and the KNX bus output following the manufacturer's wiring diagram and ensure correct polarity and secure terminations. After powering the unit, verify that the KNX bus voltage is within expected ranges and monitor communication stability. If additional bus segments or longer cable runs are used, review voltage drop and consider segmentation or additional supplies as needed.

What to consider before purchase

  • Verify total KNX bus current requirements to ensure 320 mA is sufficient for all connected devices
  • Check available space in the distribution board for DIN-rail mounting
  • Confirm compatibility with the KNX topology and whether line damping is desirable
  • Ensure installation will comply with local electrical codes and grounding requirements

Usage recommendations

Use this power supply as the main 320 mA feed for a single KNX line or as part of a segmented KNX installation. Combine with proper bus topology planning, correct cable types, and secure terminations to maintain stable KNX communication and minimize interference.

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Customer questions

FAQ

What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All gira products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized gira service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.
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