Title: Siemens Micromaster 420 Frequency Inverter 6SE9212-8CA40 - 0.37kW VFD for AC Motor Control

Product Overview:
The Siemens Micromaster 420 6SE9212-8CA40 is a versatile and robust frequency inverter designed for a wide range of industrial applications. This compact Variable Frequency Drive (VFD) efficiently controls the speed of three-phase AC motors, offering precise process control and significant energy savings. Engineered with Siemens' renowned quality and reliability, the Micromaster 420 series is known for its user-friendly operation, quick commissioning, and seamless integration into existing automation systems. Ideal for applications requiring variable speed control, this 0.37 kW (0.5 HP) inverter enhances motor performance, reduces mechanical stress, and optimizes energy consumption, making it a cost-effective solution for modern industrial environments. Whether for pumps, fans, conveyors, or general machinery, the 6SE9212-8CA40 delivers consistent and dependable performance, ensuring operational efficiency and longevity for your equipment.

Key Features & Benefits:

Precise Speed Control: Offers accurate and stepless speed adjustment for three-phase AC motors, improving process quality.
Energy Efficiency: Optimizes motor operation to reduce power consumption, leading to substantial energy savings and lower operating costs.
Compact Design: Space-saving footprint allows for easy installation in control cabinets with limited space.
Flexible Control Modes: Supports V/f control and Flux Current Control (FCC) for enhanced motor performance and dynamic response.
Integrated PID Controller: Built-in PID functionality enables closed-loop control for processes like pressure, flow, or temperature regulation.
Comprehensive Protection Features: Includes overload, overvoltage, undervoltage, short-circuit, and overtemperature protection for reliable and safe operation.
Easy Commissioning: Simple setup and parameterization via Basic Operator Panel (BOP) or Advanced Operator Panel (AOP), reducing installation time.
Robust Construction: Designed for industrial environments, ensuring durability and long-term reliability even in demanding conditions.
Wide Application Range: Suitable for various machinery, enhancing versatility across different industries and applications.
Siemens Quality: Benefits from Siemens' global reputation for high-quality, dependable industrial automation products and support.

Applications:

Pumps: Centrifugal pumps, positive displacement pumps, and dosing pumps in water treatment, HVAC, and industrial processes.
Fans: Exhaust fans, ventilation fans, and cooling fans in building management systems, industrial ventilation, and air handling units.
Conveyors: Belt conveyors, roller conveyors, and material handling systems in logistics, packaging, and manufacturing.
Mixers: Agitators and mixers in food and beverage, chemical, and pharmaceutical industries.
General Machinery: Small machine tools, textile machines, packaging machines, and other general industrial automation equipment requiring variable speed control.
HVAC Systems: Optimizing air flow and temperature control in heating, ventilation, and air conditioning applications.

Technical Specifications:

Part Number: 6SE9212-8CA40
Alternative Part Number: 6SE92128CA40
Power Rating: 0.37 kW (0.5 HP)
Input Voltage: 1 AC 200-240 V (+10% / -10%)
Output Voltage: 3 AC 0-240 V
Input Current (Rated): Approximately 5.3 A
Output Current (Rated): Approximately 2.2 A
Output Frequency Range: 0-650 Hz (Default 0-50/60 Hz)
Control Method: V/f (Voltage/Frequency) Control, Flux Current Control (FCC)
Protection Class: IP20
Cooling Method: Forced ventilation
Dimensions (H x W x D): Approximately 150 mm x 73 mm x 130 mm
Weight: 1.2 kg
Operating Temperature: -10 °C to +50 °C
Communication: USS protocol (via RS485), optional MODBUS RTU with communication module
Digital Inputs: 3 (freely programmable)
Analog Inputs: 1 (0-10V or 0-20mA)
Digital Outputs: 1 (relay output)
Analog Outputs: 1 (0-10V or 0-20mA)