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Variable Frequency Drive (VFD) Schneider Electric – Altivar 21

Manufacturer / Model: Telemecanique / Schneider Electric – Altivar 21 (units: SVRTV-7-1 / SVRTV-7-2)
Application: Motor speed control for industrial fans and pumps (HVAC / ventilation / process air).

Technical data:
Power rating: 55 kW / 75 HP
Supply: 380–480 V AC, 3-phase
Input current: ~105–110 A
Frequency range: 0.5–400 Hz
Control mode: V/F (voltage/frequency) control
Interfaces: Modbus, analog inputs
Operating modes: LOC/REM (local/remote)
Enclosure rating: IP20 / IP21
Integrated HMI with RUN/STOP, MODE, ENT, navigation keys
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Quick setup parameters (ACC/DEC, frequency limits, thermal protection, V/F curves)
Clean internal components; installed in HVAC/air-handling applications

Condition:
Excellent condition; clean enclosure, functional HMI; normally used for supply-air fan drives. No visible damage.