Description The Siemens 540-680FA is a wall-mounted temperature sensor featuring an integrated setpoint indicator, designed for use with building automation systems. Technical Specifications Condition New/Never Used Surplus Brand Siemens Category Controls & Indicators Part Number 540-680FA Subcategory Temperature/Process Control Housing Material Poly Housing Style Decorator Sensor Element 10K Type 2 Thermistor Display Full HMI (degree C) Weight 0.09 lbs Information About 540-680FA The Siemens 540-680FA is a wall-mounted temperature sensor with an integrated setpoint adjustment feature, part of Siemens' TEC series of space sensors. Designed for use with building automation and HVAC control systems, it offers precise ambient temperature monitoring and user-friendly local control. Ideal for commercial, institutional, and office environments, the 540-680FA enhances comfort, improves energy efficiency, and provides flexible zone-level temperature regulation. Key Features: Temperature Sensing: Provides accurate room temperature measurement Compatible with Siemens TEC thermostat controllers and other HVAC systems Designed to maintain consistent environmental control in conditioned spaces Setpoint Adjustment: Integrated manual setpoint dial or slider Allows occupants to fine-tune temperature settings locally Improves comfort without compromising centralized control logic Mounting and Design: Wall-mounted for easy installation in occupied zones Low-profile, aesthetically neutral housing blends with interior environments Typically installed at standard thermostat height for optimal air sensing Electrical and System Integration: Interfaces with low-voltage control systems Compatible with Siemens building automation controllers Designed for TEC (Terminal Equipment Controller) systems in VAV, fan coil, or heat pump applications Durability and Environment: Operates reliably in typical indoor environments Housing designed to protect internal components from dust and tampering Suitable for commercial buildings, schools, hospitals, and offices The Siemens 540-680FA is a reliable and user-friendly temperature sensor tailored for zone-level environmental control in modern building automation systems. With built-in setpoint adjustment, accurate sensing, and easy wall-mount installation, it supports efficient HVAC operation while allowing occupants limited control for added comfort. It’s an ideal choice for environments where precision, aesthetics, and usability must work in harmony.
