# Relay module VIDOS B31 — VIDOS B31 relay expansion module, 1-channel control

**URL:** https://aio.lv/en/product--vidos-b31--12059512
**Data updated:** 2026-03-12 19:43 (EET)
**Category:** CCTV Accessories
**Manufacturer:** VIDOS
**Manufacturer code:** B31
**EAN:** 5902887091216
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

VIDOS B31 is a relay expansion module designed to provide switching control for compatible VIDOS systems. As a compact relay module (model B31), it enables on/off control of connected circuits or devices via the system’s control interface. Typical uses include door release activation, lighting switching, or integration with access control and alarm setups where a single relay output is required.

## Long description

VIDOS B31 is a compact 1-channel relay expansion module designed to add a single dry-contact switching output to compatible VIDOS access and security systems. The module provides an electrically isolated relay contact that can be used to control door strikes, electric locks, lights or other devices requiring a simple on/off control signal. Its small footprint and straightforward interface allow integration into existing installations where an additional relay output is needed.
Advantages
The relay module offers a single reliable changeover contact with electrical isolation from the control electronics, reducing interference risks in mixed installations. Its compact size simplifies mounting in distribution boxes or inside control panels. The device is intended for straightforward wiring and provides stable switching performance for access control and auxiliary automation tasks.
Suitable for
Activating door release mechanisms and electric strikes
Switching lighting circuits or auxiliary loads
Integrating a single relay output into access control or alarm systems
Remote on/off control of simple loads from a VIDOS control interface
Key specifications
Single-channel relay output (changeover contact)
Electrically isolated contact suitable for switching low-voltage or mains circuits within rated limits
Compact module size for mounting in panels or junction boxes
Wired terminals for input control and switched output connections
How to use
Connect the module to the VIDOS control system according to the system wiring diagram, ensuring the control input is wired to the designated interface point and the relay output is connected to the target device (e.g., electric strike or lighting circuit). Observe correct polarity and grounding where applicable. After installation, configure the control system to trigger the relay for the required events or schedules. Verify operation by commanding the relay from the system and confirming the connected device responds as expected.
Usage recommendations
Use appropriate wiring and protection components sized for the rated load of the connected device. Do not exceed the relay’s rated current and voltage. Install the module in a dry, ventilated enclosure and comply with local electrical codes. For switching mains-powered loads, include proper fuses, circuit breakers or contactors as required.

## 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 VIDOS 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 VIDOS 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. More information about warranty service: https://aio.lv/en/warranty

## Image

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