TECSYSTEM T154 4-Channel Smart Temperature Controller
The TECSYSTEM T154 is a 4-channel smart temperature monitor based on an electronic microcontroller, specifically designed for temperature control of medium-voltage dry-type and cast resin transformers. Developed with a new technology platform, this device features a dual display and a high-performance microcontroller, offering enhanced computing power and data management capabilities while ensuring a high level of electromagnetic interference protection. It has become the industry standard for this application.
Key Specifications:
· Brand: TECSYSTEM (Italy)
· Model: T154
· Input Channels: 4 independent 3-wire PT100 platinum resistance inputs (3 phase windings + core/ambient temperature optional)
· Output Configuration: 4 dry contact relay outputs (ALARM, TRIP, FAULT, FAN1)
· Output Contact Rating: 10A/250V AC
· Power Supply: 24-240V AC/DC universal, auto-sensing, reverse polarity protected
· Measuring Range: 0°C to 240°C
· Measuring Accuracy: ±1% of full scale, ±1 digit
· Display: Dual 3-digit LED display showing temperature, channel number, and alarm status
· Protection Rating: IP65 (front panel)
· Housing Material: NORYL UL 94V0 self-extinguishing
· Power Consumption: 7.5 VA
· Data Storage: 10 years minimum
· Operating Temperature: -20°C to +60°C
· Permissible Humidity: 90%, non-condensing
· Sensor Cable Compensation: Up to 500m (1mm² cable)
· Panel Dimensions: 100 x 100 mm (DIN IEC 61554 standard)
· Depth: 131 mm (including terminals)
· Cutout Dimensions: 92 x 92 mm
· Weight: Approx. 0.55 kg
Key Features:
· VOTING Function: Multi-channel data logic judgment to prevent false alarms from single sensor failure
· FAIL SAFE: Automatically triggers protection action on sensor open circuit or short circuit
· Programmable Thresholds: Independent alarm, trip, and fan start/stop temperature settings
· Dual Alarm Thresholds: 2 alarm thresholds for channels 1-2-3
· Channel Scan Modes: Auto-scan, hottest channel tracking, manual scan
· Front Panel Alarm Reset Button
· Sensor Self-Diagnostic Function
· Max Temperature and Alarm Record Storage
Applications:
· Medium-Voltage Dry-Type Transformer Temperature Monitoring
· Cast Resin Transformer Temperature Monitoring
· Motor Winding Temperature Monitoring
· Generator Thermal Protection
· Industrial Electrical Equipment Temperature Control
· Power, Chemical, and Manufacturing Automation Lines
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