Schneider MTN Series KNX Components: Complete Guide to MTN6904-0002, MTN6921-0001, MTN6940-0000, MTN6941-0001

Product Title: Schneider MTN6904-0002 KNX Weather Station Mast & Corner Mounting Bracket

Key Parameters & Features:

• Model: MTN6904-0002
• Compatibility: Exclusively designed for Schneider KNX Weather Station Basic V2
• Material: High-grade UV-resistant composite (plastic + metal) for long-term outdoor durability
• Mounting Type: Mast or corner mounting (supports mast diameters up to 60mm)
• IP Rating: IP55 (dust-tight and water-resistant, suitable for outdoor installation)
• Dimensions: Approx. 85mm (width) * 85mm (depth) * 45mm (height)
• Weight: ~120g (lightweight, no additional load stress on mounting structures)
• Color: Neutral grey (blends with most building exteriors)

Use Case & Application:

The MTN6904-0002 is a critical mounting accessory for Schneider KNX weather monitoring systems. It enables secure installation of the KNX Weather Station Basic V2 on building corners or vertical masts, ensuring accurate collection of environmental data (temperature, humidity, wind speed, sunlight intensity). This data is transmitted via the KNX bus to smart building automation systems, optimizing HVAC performance, natural lighting control, and energy efficiency in commercial offices, residential complexes, and public facilities. The MTN6904-0002’s robust design withstands harsh outdoor conditions, making it ideal for smart city and sustainable building projects.

Product Title: Schneider MTN6921-0001 KNX Valve Drive Actuator with Status Indication

Key Parameters & Features:

• Model: MTN6921-0001
• Supply Voltage: 24V DC (KNX bus-powered)
• Actuator Type: Electric linear valve drive (for 2-way/3-way control valves)
• Control Interface: KNX TP1 (Twisted Pair) communication protocol
• I/O Features: 2 configurable binary inputs (for external sensor/switch integration)
• Status Indication: Built-in LED for visual diagnostics (operational, fault, and bus status)
• Dimensions: Standard DIN-rail mount (4TE, ~72mm width * 90mm depth * 58mm height)
• Operating Temperature: 0°C to +50°C (indoor use only)
• Protection Class: IP20 (protected against accidental contact, suitable for control cabinets)

Use Case & Application:

The MTN6921-0001 is a precision KNX valve actuator for HVAC systems. It modulates heating/cooling water valves in commercial buildings, hospitals, and hotels, integrating seamlessly with KNX Building Management Systems (BMS) to maintain optimal indoor climate conditions. The MTN6921-0001’s binary inputs allow connection to room thermostats or occupancy sensors, enabling automated energy-saving adjustments. Its compact DIN-rail form factor simplifies installation in electrical cabinets, while the status LED simplifies troubleshooting for maintenance teams. This MTN6921-0001 model is a core component of energy-efficient smart building solutions.

Product Title: Schneider MTN6940-0000 SpaceLogic KNX Master/Extension Connection Module

Key Parameters & Features:

• Model: MTN6940-0000
• Function: Facilitates communication between SpaceLogic KNX master modules and extension modules
• Connector Type: 8-pin screw terminal blocks (male/female, green color coding)
• Material: Flame-retardant thermoplastic (UL94 V-0 rated)
• Voltage Rating: 30V DC (safe for low-voltage KNX bus systems)
• Dimensions: 62mm (length) * 22mm (width) * 16mm (height)
• Weight: ~15g (ultra-compact, no impact on cabinet space)
• Compatibility: Works with all SpaceLogic KNX master/extension module series

Use Case & Application:

The MTN6940-0000 is a foundational connectivity component for scalable KNX systems. It links master control units to extension modules, enabling modular expansion of lighting, shading, and HVAC control in large-scale smart buildings. The MTN6940-0000’s secure screw-terminal design ensures reliable data transmission, while its flame-retardant construction meets strict safety standards for commercial and industrial installations. This MTN6940-0000 module is essential for creating flexible, future-proof smart building automation architectures.

Product Title: Schneider MTN6941-0001 SpaceLogic KNX 30cm Connection Cable

Key Parameters & Features:

• Model: MTN6941-0001
• Cable Length: 30cm (short-range interconnection)
• Connector Type: 8-pin male-to-male green terminal blocks (matches MTN6940-0000 module)
• Cable Type: Shielded Twisted Pair (STP) for noise-resistant KNX data transmission
• Voltage Rating: 30V DC (compliant with KNX bus safety standards)
• Insulation Material: PVC (flame-retardant, UV-stabilized)
• Dimensions: Cable diameter ~4mm; connector dimensions ~22mm * 16mm
• Weight: ~20g (lightweight, flexible for cabinet routing)

Use Case & Application:

The MTN6941-0001 is a short-length KNX connection cable for SpaceLogic systems. It directly links master and extension modules within compact control cabinets, ensuring stable data transfer without signal degradation. Ideal for small to mid-sized smart home and office installations, the MTN6941-0001’s shielded design protects against electromagnetic interference (EMI), maintaining reliable communication between KNX components. Its 30cm length is optimized for tight cabinet layouts, making the MTN6941-0001 a preferred choice for installers seeking clean, efficient wiring solutions.

Product Title: Schneider MTN6941-0002 SpaceLogic KNX 150cm Connection Cable

Key Parameters & Features:

• Model: MTN6941-0002
• Cable Length: 150cm (extended-range interconnection)
• Connector Type: 8-pin male-to-male green terminal blocks (compatible with MTN6940-0000)
• Cable Type: Shielded Twisted Pair (STP) for long-distance KNX communication
• Voltage Rating: 30V DC (KNX bus-safe)
• Insulation Material: Flame-retardant PVC (resistant to oil, chemicals, and UV exposure)
• Dimensions: Cable diameter ~4mm; connector dimensions ~22mm * 16mm
• Weight: ~45g (flexible, easy to route between distributed cabinets)

Use Case & Application:

The MTN6941-0002 is a long-length KNX connection cable for SpaceLogic systems. It enables communication between master and extension modules located in separate control cabinets or across different building zones, ideal for large commercial buildings, hotels, and industrial facilities. The MTN6941-0002’s shielded STP construction preserves signal integrity over 150cm, ensuring reliable KNX bus operation. Its durable insulation withstands harsh industrial environments, making the MTN6941-0002 a versatile solution for scalable smart building automation projects.