Delta VFD185CH43A-21 AC Drive | 38A Motor Control

Delta VFD185CH43A-21 CH2000 Series Variable Frequency Drive

The Delta VFD185CH43A-21 is a reliable industrial AC drive from the CH2000 series, designed for precise motor control in 460V three-phase systems. This 18.5 KW (25 HP) drive offers robust performance for various industrial applications with its efficient design and essential control features.

Technical Specifications

• Brand & Model: Delta, VFD185CH43A-21
• Series: CH2000 Series
• Input Voltage: 460V, 3-Phase
• Motor Power: 18.5 KW / 25 HP
• Output Current: 38 A
• Dimensions (W×H×D): 9.84" × 15.75" × 8.27" (250 × 400 × 210 mm)
• Weight: 22 lbs (10 kg)
• Control Methods: Sensorless vector control, V/F control
• Carrier Frequency: Adjustable up to 15 kHz
• Protection Features: Overload, overvoltage, undervoltage, short circuit, overheating
• Control Interfaces: Digital inputs, analog inputs (0-10V/4-20mA), relay outputs
• Communication: Standard RS-485 (Modbus RTU), optional cards available
• Efficiency: Typically > 97%

Installation & Packaging

• Installation: Mount the VFD185CH43A-21 vertically on a suitable surface with proper ventilation clearance. Connect 460V three-phase power to input terminals (R/L1, S/L2, T/L3) and connect the motor leads to output terminals (U/T1, V/T2, W/T3). Ensure proper grounding and install recommended protective devices.
• Packaging: Each VFD185CH43A-21 drive ships individually in protective packaging with user manual. We ship via reliable carriers such as FedEx, UPS, or DHL.

FAQ

• Q: What applications is this CH2000 series drive suitable for?
  A: The VFD185CH43A-21 is ideal for various industrial applications including pumps, fans, conveyors, compressors, and machine tools requiring 25 HP motor control with speed regulation and energy savings.
• Q: Does this drive include built-in EMC filtering?
  A> The CH2000 series typically includes built-in Class A EMC filters to reduce electromagnetic interference. For environments requiring stricter emission standards (Class B), an additional external EMC filter may be recommended.
• Q: Can I control this drive via network communication?
  A> Yes, the drive features a standard RS-485 port supporting Modbus RTU protocol. For integration with industrial networks like PROFIBUS-DP, DeviceNet, or Ethernet, Delta offers optional plug-in communication cards.