Description
The Schneider Electric (Barber Colman) ETR503 is a precision room temperature sensor engineered for use in building automation and HVAC control applications. Featuring a 10K Ohm Type 3 thermistor element, this sensor delivers accurate and reliable temperature feedback to controllers, thermostats, and building management systems (BMS) — making it an ideal choice for commercial and light industrial environments.
Key Features
- 10K Ohm Type 3 thermistor sensing element for high-accuracy room temperature measurement
- Designed for seamless integration with Schneider Electric (Barber Colman) and compatible building automation controllers
- Wall-mount room sensor configuration for convenient installation in occupied spaces
- Compact, low-profile housing blends unobtrusively into commercial interiors
- Reliable passive sensor design — no external power supply required
- Compatible with a wide range of DDC (Direct Digital Control) systems that accept 10K Type 3 inputs
Application
The ETR503 is well suited for monitoring space temperature in offices, classrooms, retail environments, and other commercial buildings. Its 10K Ohm Type 3 output is a widely accepted standard in the building controls industry, ensuring broad compatibility with DDC panels and energy management systems from multiple manufacturers.
Why Choose the Schneider Electric ETR503?
As part of the trusted Barber Colman sensor lineup — now under the Schneider Electric brand — the ETR503 delivers the consistent performance and build quality that HVAC controls professionals depend on. Whether you are commissioning a new BAS installation or replacing an existing sensor, the ETR503 provides a reliable, drop-in solution.
Specifications
- SKU: ETR503
- Brand: Schneider Electric (Barber Colman)
- Sensor Type: Room Temperature Sensor
- Resistance: 10K Ohm
- Thermistor Curve: Type 3
- Mounting: Wall mount
- Application: Building Automation / DDC Control Systems
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