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.
