TESAR TSX1 Thermal Protection Device & Temperature Controller
Manufacturer: TESAR s.r.l. (Italy)
Model: TSX1 / TSX 1
Product Type: Temperature Controller / Thermal Protection Device for Dry-Type & Cast Resin Transformers
🔍 Product Overview
The TESAR TSX1 is a high-reliability electronic microcontroller device designed explicitly for monitoring and protecting electric units, primarily insulated cast resin and dry-type transformers. It tracks real-time coil and core temperatures using specialized RTD sensors and manages cooling fans or trip circuits to prevent equipment failure.
⚙️ Technical Specifications
⚡ Power Supply & Electrical
- Nominal Line Voltage: Wide range 24 – 240 V AC/DC (Compatible up to 250V)
- Frequency: 40 – 60 Hz
- Maximum Power Absorption: 7 VA
- Noise Protection: Built-in protection against electrical and magnetic interference/spikes
📥 Inputs & Diagnostics
- Analog Input Channels: 4 independent channels for 3-wire Pt100 RTD probes (Complies with DIN 43760)
- Channel Flexibility: The 4th channel can be deactivated manually through programming if not required.
- Wire/Cable Compensation: Automatic compensation for sensor lead length up to 500 meters (1 mm² section).
- Fault Detection: Smart diagnostics immediately detect broken, shorted, or disconnected temperature probes.
📤 Outputs & Controls
- Output Relays: 4 programmable dry-contact relays
- Relay Functions: Configurable to manage 3 distinct temperature alarm thresholds (Pre-alarm, Alarm, Trip) and 1 system anomaly/general fault signal.
- Terminal Type: Secure, removable screw terminals for easy wiring (up to 1.5 mm² wires).
🖥️ Display & Interface
- Screen: 16-character x 2-line backlit LCD displaying all 4 channel temperatures simultaneously.
- Control Panel: Durable 4-key front membrane keyboard for user setup and manual programming.
- Data Storage: Non-volatile internal memory retains all user-programmed parameters for up to 10 years without external power supply.
🌡️ Environment & Performance
- Temperature Monitoring Range: 20°C to 200°C
- Measurement Accuracy: ±0.5% of full scale, ±1 digit
- Operating Ambient Temperature: 5°C to 50°C
- Maximum Humidity: < 95% non-condensing
📐 Physical Dimensions
- Enclosure Standard: Compliance with DIN 43700 front panel standards
- Front Panel Face: 96 mm x 96 mm
- Maximum Insertion Depth: 105 mm
- Panel Cut-out Perforation: 92 mm x 92 mm
🛠️ Applications
- Cast Resin (Dry-Type) Power Transformers
- Industrial Automation Control Panels
- PLC-Integrated Temperature Monitoring Networks
- Motor & Generator Thermal Safety Protection
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