Explosion-Proof Frequency Converter (CY-ZJT1)
Explosion-proof frequency converter for hazardous areas, CY-ZJT1 series, 0.55-90kW, ExdibIIBT4 Gb certified.
- Category: Explosion-Proof VFD
- Motor Power: 0.55-90kW
- Input Power: 3-Phase 380-440V, 50/60Hz
- Output Frequency: 0.5-400Hz
- Output Voltage: 3-Phase 0-440V
- Rated Current: 2.5-112A
- Overload Capacity: 120% of rated current for 1 min
- Starting Torque: 150% or above
- Carrier Frequency: 2-6KHz
- Protection Class: IP40
- Explosion-Proof Mark: ExdibIIBT4 Gb
- Cooling Method: Forced Air Cooling
Detailed Description
Application: Explosion-proof frequency converter (CY-ZJT1 series) for variable-speed control of explosion-proof motors in hazardous areas such as oil, chemical, metallurgy and mining.
Main Features:
- Motor power range: 0.55-90kW
- Overload capacity: 120% of rated current for 1 minute
- Starting torque: 150% or above
- Wide frequency range: 0.5-400Hz, max and base frequency independently adjustable
- Carrier frequency 2-6KHz adjustable, low noise and low harmonic output
- High control accuracy: analog Β±0.3%, digital Β±0.1%
- Instantaneous voltage-drop ride-through above 310V
- Explosion-proof mark: ExdibIIBT4 Gb; protection class IP40; forced air cooling
The drive adopts high-quality IGBT modules with optimized SVPWM control to deliver stable and reliable operation in explosive atmospheres. Suitable for both new installations and retrofit of existing explosion-proof motor systems.