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Schneider Electric

KNX Room Thermostat, Active White, Glossy, System M (MTN6221-0325)

Model: MTN6221-0325
Room Thermostat / Controller SpaceLogic KNX — System M

An entry-level KNX room thermostat without a screen, for basic setpoint adjustment and temperature control via KNX valve drives or actuators, in a glossy active-white System M finish.

KNX Medium TP (Twisted Pair)

Key Features

  • Basic setpoint dial/buttons; no display; integrated bus coupler; controller types: 2-step, continuous PI, switching PI (PWM)

Typical Applications

  • Cost-sensitive rooms needing simple heating/cooling control without a display

Advantages

  • Lower cost than the display models; simplest possible interface for occupants who just want to set a temperature.

Limitations

  • No display means no feedback on current mode, schedule, or exact temperature at the device itself.

Technical Specifications

General Specifications

ManufacturerSchneider Electric
SeriesSpaceLogic KNX — System M
Model / Part NumberMTN6221-0325
SKUMTN6221-0325
Product StatusActive

KNX Specifications

KNX MediumTP (Twisted Pair)
KNX TPYes

Physical Specifications

MountingFlush (wall box with fixing/design frame)
IP RatingIP20
ColourActive white, glossy

Electrical Specifications

Power SupplyPowered from KNX bus (no auxiliary supply required)

Thermostat / HVAC Specifications

Heating ControlYes
Cooling ControlYes

Manufacturer Documentation

Manufacturer Product Page →

KNXHub Verdict

Good for budget-conscious rooms (guest rooms, utility spaces) where display feedback isn't essential.

KNXHub Product Information
Product specifications should be checked against the latest manufacturer documentation before publication.
Last verified: 2026-09-01
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