TECSYSTEM VRT600 6-Channel LED Temperature Controller (Transformer Ventilation System)
The TECSYSTEM VRT600 is a 6-channel LED temperature controller specifically designed for ventilation systems of cast resin (dry-type) transformers, integrating transformer protection and ventilation system operation. This device diagnoses motor faults by monitoring current changes in cooling fan motors, serving as the core control unit for transformer thermal protection.
Key Specifications:
· Brand: TECSYSTEM (Italy)
· Model: VRT600
· Output Channels: 6 outputs (M1-M6), can drive up to 6 fans
· Output Contact Rating: 5A max (per output)
· Supply Voltage: 85-250V AC, 50/60Hz
· Input Signals: 2 motor line inputs (15A max) + 1 remote enable contact
· Fault Relay: 1 SPDT, 5A-250Vac
· Display: LED indicators (overcurrent, undercurrent, remote, local, programming)
· Auto-tuning: Initial auto-tuning for setting motor operating parameters
· Control Mode: Remote dry contact or local front panel push buttons
· Power Consumption: 7.5 VA (max)
· Operating Temperature: -20°C to +60°C
· Humidity: 90%, non-condensing
· Protection Rating: IP65 (front panel membrane)
· Housing Material: NORYL 94V0 self-extinguishing
· Panel Dimensions: 100 x 100 mm (DIN 43700 standard)
· Cutout Dimensions: 92 x 92 mm
· Depth: 131 mm (including terminals)
· Country of Origin: Italy
Key Features:
· 6 independent output channels, can drive up to 6 cooling fans
· Motor current monitoring: Diagnoses fan faults by evaluating motor current changes
· LED indicators: Overcurrent, undercurrent, remote control, local control, programming status
· Auto-tuning function: Initial auto-calibration, automatically sets motor operating parameters
· Programmable start/trip delay times
· Front panel alarm reset button
· Fault relay output: Abnormal signal indication
· Wide voltage input: 85-250V AC, universal worldwide use
Applications:
· Cast resin (dry-type) transformer ventilation system control
· Transformer cooling fan control
· Industrial ventilation system motor protection
· Motor fault diagnosis
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