Title: SIEMENS MICROMASTER 420 AC Drive 6SE9212-1CA40 - 0.37 kW / 0.5 HP, 1-Phase 230V Variable Frequency Drive

Product Overview:
The SIEMENS MICROMASTER 420 6SE9212-1CA40 is a highly versatile and compact AC frequency inverter designed for a wide range of industrial applications requiring precise speed control of three-phase AC motors. As a leading solution in variable speed drives (VSDs) and variable frequency drives (VFDs), this 0.37 kW (0.5 HP) unit efficiently converts single-phase 230V input power into three-phase 230V output, enabling optimal motor performance and significant energy savings. Engineered for reliability and ease of use, the Micromaster 420 series is an ideal choice for enhancing process control, reducing mechanical stress on machinery, and improving overall operational efficiency in various industrial settings. Its robust design and comprehensive protection features ensure long-term, dependable operation, making it a cornerstone for modern automation systems.

Key Features & Benefits:

Compact and space-saving design for easy integration into control cabinets.
User-friendly commissioning with a simple parameter structure, allowing for quick setup and operation.
V/f control (Voltage/Frequency control) for standard applications, ensuring stable motor operation.
Integrated protection functions including overload, overvoltage, undervoltage, short-circuit, and motor temperature monitoring for enhanced safety and reliability.
Wide input voltage tolerance to adapt to varying power supply conditions.
Multiple digital and analog inputs/outputs for flexible control and monitoring integration.
Built-in PID controller for closed-loop process control, ideal for applications requiring constant pressure, flow, or temperature.
Significant energy savings by optimizing motor speed to match load requirements, reducing power consumption.
Reduced mechanical stress on machinery and extended equipment lifespan through smooth acceleration and deceleration ramps.
Optimized pulse frequency for quiet motor operation, minimizing noise in sensitive environments.
Robust construction designed to withstand harsh industrial environments, ensuring durability.
Optional communication modules available for seamless integration into automation networks via PROFIBUS or USS protocol.
Removable Basic Operator Panel (BOP) or Advanced Operator Panel (AOP) for convenient parameter setting and diagnostics, even remotely.

Applications:

The SIEMENS MICROMASTER 420 6SE9212-1CA40 is perfectly suited for a diverse array of industrial applications where precise and efficient motor control is critical. Its capabilities make it an excellent choice for:
Conveyor systems and material handling equipment
Pumps for water, chemical, and fluid transfer
Fans for HVAC systems, industrial ventilation, and exhaust
Mixers and agitators in process industries
Packaging machinery and labeling equipment
Textile machines and winding applications
General machinery requiring variable speed control for improved process efficiency and product quality.
Small to medium-sized industrial processes demanding reliable and energy-efficient motor operation.

Technical Specifications:

Model: SIEMENS MICROMASTER 420
Part Number: 6SE9212-1CA40
Alternative Part Number: 6SE92121CA40
Power Rating: 0.37 kW (0.5 HP)
Input Voltage: 1-phase, 200-240 V AC (+10%/-10%)
Input Frequency: 47-63 Hz
Output Voltage: 3-phase, 0-240 V AC
Output Frequency: 0-650 Hz
Rated Output Current: 2.4 A (at 230V)
Overload Capacity: 150% for 60 seconds, 200% for 3 seconds
Control Method: V/f control
Protection Class: IP20
Cooling: Natural convection
Dimensions (H x W x D): Approximately 173 mm x 73 mm x 149 mm
Weight: Approximately 1.0 kg
Operating Temperature: -10°C to +50°C
Communication: USS protocol, MODBUS RTU (via optional modules), PROFIBUS (via optional modules)
Standards Compliance: CE, UL, cUL, C-Tick