🔧 Technical Title

Tecsystem NT935 – Temperature Control Unit & Protection Relay – 4 Channels – PT100 Inputs – Digital Display – Alarm/Trip/Fan Outputs

📘 Detailed Technical Description

The Tecsystem NT935 is an advanced electronic temperature monitoring and protection unit, designed for continuous thermal supervision of transformers, motors, and industrial equipment.

Equipped with a digital display and 4 independent sensor channels, it enables precise temperature control via PT100 probes, activating alarm, ventilation, and trip relays to ensure system safety and prevent overheating damage.

Its reliability and industrial-grade design make it a key component in preventive maintenance and protection systems.

⚡ Input Characteristics

• Number of channels: 4 (CH1 – CH4)
• Sensor type: PT100
• Measurement mode:
  • Automatic scanning
  • Manual selection

🔋 Control Functions

• Real-time temperature display (°C)
• Programmable T.MAX thresholds
• Operating modes:
  ✔ AUTO
  ✔ MANUAL
  ✔ SCAN
• Output control:
  ✔ FAN (cooling system activation)
  ✔ ALARM (warning signal)
  ✔ TRIP (safety shutdown)

🛡️ Protection & Safety

• Sensor fault detection (FAULT)
• Continuous thermal monitoring
• Preventive protection for critical equipment
• High reliability in industrial environments

⚙️ Construction Features

• Model: NT935
• Manufacturer: Tecsystem S.r.l.
• Front digital LED display
• Programming keypad:
  • PRG
  • ENT
  • TEST
  • MODE
• Compact design for panel installation

🔌 Connections

• Inputs: 4 PT100 sensor channels
• Outputs: relay contacts for:
  • TRIP
  • ALARM
  • FAN
• Communication: RS OUT interface
• Clearly labeled terminals for easy wiring

🏭 Applications

Ideal for:

✔ Power transformers
✔ Industrial motors
✔ Generators
✔ Electrical panels
✔ Automation systems
✔ Thermal monitoring installations

📦 Condition

Used product, condition as shown.
Functional testing is recommended before installation.

🚀 Commercial Summary

The Tecsystem NT935 is a professional 4-channel temperature monitoring relay, designed to protect critical equipment through continuous thermal control and automatic safety actions.

With PT100 compatibility, programmable thresholds, and relay outputs for alarm and trip, it is an essential solution for industrial protection and preventive maintenance systems.