• Yocto-MaxiPowerRelay

You need several USB relays in a tight form factor? The Yocto-MaxiPowerRelay controls 5 relays. Each of these relays can handle up to 250V and 5 Amp. The relay state is reflected by a LED. This module does not need external power, but the host computer or the hub to which the module is connected must be able to provide up to 250 mA.

Be aware that although these relays have a better endurance to inductive loads than the Yocto-PowerRelay-V2, using a relay to drive inductive loads (motors, transformers) may lead to accelerated aging of the relay. Please refer to the documentation for hints on reducing this type of problems.

This device can be connected directly to an Ethernet network using a YoctoHub-Ethernet, to a WiFi network using a YoctoHub-Wireless-n and to a GSM network using a YoctoHub-GSM.

Enclosure available separately Yocto-MaxiPowerRelay Yocto-MaxiPowerRelay

USB cables and enclosures to be ordered separately.


Hardware release:Rev. C
Product name:Yocto-MaxiPowerRelay
USB connector:micro-B
Relay type:OMRON G6RL-14-ASI
Max switching current:5A
Max switching power:1250VA
Operate time:12ms (max)
Release time:7ms (max)
Max withholding voltage:1000V r.m.s.
Max working voltage:250V r.m.s.
Protection class, according to IEC 61140:class II
USB isolation, clearance dist.:10mm
USB isolation, creepage dist.:10mm
USB isolation, dielectric strength (1 min.):5kV r.m.s.
Normal operating temperature:5...40Ѓ
Extended operating temperature2:-30...85Ѓ
USB consumption:~250mA
Supported Operating Systems:Windows (PC + IoT), Linux (Intel + ARM), macOS, Android
Drivers:Driverless, no driver needed
API / SDK / Libraries:C++ Obj-C C# VB.NET UWP Delphi Python Java Android LabVIEW
API / SDK / Libraries (TCP only):Javascript Node.js PHP
RoHS compliance:RoHS III (2011/65/UE+2015/863)
Suggested enclosure:YoctoBox-MaxiIO-Transp
Harmonized tariff code:9032.9000
Made in:Switzerland

1 These specifications are for the current hardware revision. Specifications for earlier revisions may differ.
2 The extended temperature range is defined based on components specifications and has been tested during a limited duration (1h). When using the device in harsh environments for a long period of time, we strongly advise to run extensive tests before going to production.

Accessories and related products

YoctoBox-MaxiIO-Transp, Clear plastic enclosure for the Yocto-Maxi-IOUSB-A-MicroB-50, USB 2.0 type A to Micro-B data cable, 50 cmYoctoHub-Ethernet, Ethernet-enabled hub for Yoctopuce modules


User manual (HTML)
User manual (PDF)
Product brief
3D file (STEP)
RoHS certificate
Most recent firmware44118 (03/09/2021)
Programming libraries44175 (03/12/2021)
Command line API44175 (03/12/2021)
VirtualHub application44029 (02/26/2021)


  • Brand: Yoctopuce
  • Product Code: MXPWRRLY
  • Availability:
  • $69.00