Variable Frequency Control Cabinet

Type: Variable Frequency Control Cabinet Model: VFD Control Cabinet Params: I. Rated Electrical Parameters Rated Input Voltage: Three-phase 380V±10% Input Frequency: 50Hz Applicable Motor Power Range: 0.75kW ~ 630kW Rated Output Voltage: 0～380V Output Frequency Range: 0～50/60Hz Overload Capacity: 150% rated current for 60s; 180% rated current for 10s Control Mode: Vector Control / V/F Scalar Control Protection Degree: Cabinet IP30, Frequency Converter Main Unit IP20 II. Cabinet Structural Parameters Cabinet Material: Galvalume steel sheet with electrostatic plastic spraying Installation Type: Indoor floor-standing / wall-mounted Cooling Mode: Air duct forced air cooling Operation Panel: Local touch screen / key panel, supporting remote 485 communication III. Control & Communication Parameters Communication Protocol: Modbus-RTU Analog Signals: 0–10V, 4–20mA Digital Signals: Multi-channel DI digital input, DO relay output Functions: Soft start, constant pressure water supply, multi-speed operation, fault alarm, frequency conversion / power frequency switching IV. Service Environmental Conditions Ambient Temperature: -10℃ ~ +40℃ Altitude: ≤1000m (Derated operation required for higher altitude) Relative Humidity: ≤90%, no condensation Application Environment: Free of corrosive gas, flammable and explosive dust and severe vibration Material: Cabinet frame, door and side panels: Galvalume steel sheet with electrostatic plastic spraying for corrosion resistance. Internal mounting crossbeams and supports: Galvanized steel sheet. Main circuit busbars and terminals: T2 pure copper with tin plating on contact surfaces. Insulating parts and wire duct partitions: ABS engineering plastic and epoxy insulation board. Cooling fan and push button housing: Engineering plastic. Sealing strips: Foamed rubber strips. Fasteners: Stainless steel bolts, flat washers and spring washers. Applicable Industry: This cabinet is widely applied in the below industries: Water & Environmental Protection: Constant pressure water supply pump stations, sewage treatment plants, water purification plants, aeration fan control systems. HVAC & Building Construction: Central air conditioning for commercial buildings, ventilation and smoke exhaust systems, fresh air systems and boiler fans. Industrial Manufacturing: Metallurgy, coal mine, textile, papermaking, food processing, rubber & plastic machinery, cement plant fans. New Energy Industry: Photovoltaic supporting water pumps, cooling systems of energy storage stations. Transportation Infrastructure: Ventilation for metro tunnels, water supply systems of airports and ports, secondary water supply for high-rise buildings. Petrochemical Industry: Chemical circulating pumps, fans for oil & gas transportation. Data Center & EV Charging Station: Cooling water pumps, heat dissipation fans and circulating water systems.