Title: Siemens MICROMASTER 420 Variable Frequency Drive (VFD) 0.37kW 230V Single Phase - 6SE3210-7BA40

Product Overview:
The Siemens MICROMASTER 420 6SE3210-7BA40 is a compact, versatile, and user-friendly variable frequency drive (VFD) designed for a wide range of industrial applications. This robust AC drive provides precise speed control for motors up to 0.37 kW (0.5 HP), operating from a single-phase 230V AC supply. Engineered for simplicity and efficiency, the MICROMASTER 420 is an ideal solution for general machine building, offering significant energy savings and enhanced process control. Its intuitive design allows for quick commissioning and reliable operation, making it a preferred choice for optimizing performance in pumps, fans, conveyors, and various other machinery. Invest in the Siemens MICROMASTER 420 to achieve superior motor control, reduce operational costs, and improve the overall reliability of your automation systems.

Key Features & Benefits:

Input voltage: 1-phase AC 200-240V, 50/60 Hz, suitable for common power supplies.
Output power: 0.37 kW (0.5 HP), providing efficient control for small to medium-sized motors.
Integrated Basic Operator Panel (BOP) for easy local commissioning and parameter adjustment.
V/f control for standard applications, ensuring stable and reliable motor operation.
Flux Current Control (FCC) for improved dynamic response and precise speed regulation.
Integrated PID controller for direct process control, eliminating the need for external controllers.
Four programmable digital inputs for flexible control signals and safety functions.
One analog input (0-10V or 0/4-20mA) for external setpoint control.
One programmable relay output for signaling operational status or triggering external devices.
Adjustable ramp-up and ramp-down times for smooth acceleration and deceleration, reducing mechanical stress.
Flying start function for seamless connection to rotating motors.
Automatic restart function after power failure, ensuring continuous operation.
Comprehensive protection functions including overload, overvoltage, undervoltage, short-circuit, and overtemperature protection.
Compact design allowing for side-by-side mounting, saving valuable cabinet space.
Integrated EMI filter (Class A) to minimize electromagnetic interference.
Energy-saving potential through optimized motor speed control, reducing electricity consumption.
Enhanced process reliability and reduced wear and tear on mechanical components.

Applications:

Centrifugal and positive displacement pumps in water treatment, HVAC, and industrial processes.
Exhaust fans, cooling fans, and ventilation systems for optimized airflow and energy efficiency.
Conveyor belts and material handling systems requiring precise speed and torque control.
Mixers, agitators, and stirrers for consistent blending and processing.
Small machine tools, grinders, and drilling machines for variable speed operations.
Packaging machinery, labeling machines, and filling systems for improved throughput.
Textile machines, winding machines, and printing presses for controlled material handling.
General industrial automation tasks where variable speed control is essential for process optimization.

Technical Specifications:

Part Number: 6SE3210-7BA40
Part Number (without special characters): 6SE32107BA40
Input Voltage: 1 AC 200-240V, 50/60 Hz
Output Voltage: 3 AC 0-240V
Rated Power: 0.37 kW / 0.5 HP
Rated Output Current: 2.2 A
Overload Capacity: 150% for 60s, 200% for 3s
Control Method: V/f control, Flux Current Control (FCC)
Digital Inputs: 4 (freely programmable)
Analog Inputs: 1 (0-10V or 0/4-20mA)
Relay Outputs: 1 (NO/NC programmable)
Protection Class: IP20
Ambient Temperature: -10 to +50 °C
Dimensions (HxWxD): 173 x 73 x 149 mm
Weight: 1.0 kg
Communication: USS protocol via RS485 (optional, via BOP or AOP)