Description
Product Overview
The Siemens MICROMASTER 420 6SE6420-2UD22-2BA1 is a versatile frequency inverter designed for a wide range of industrial motor control applications. Operating at 3-phase 380–480 V AC, it delivers a power rating of 2.2 kW with constant torque and square-law torque capability. Built with an IP20 degree of protection, the unit supports overload handling up to 150% for 60 seconds, ensuring robust performance even in demanding environments. Its compact dimensions make installation easy in limited spaces.
Key Features
MICROMASTER 420 frequency inverter (spare part)
Input: 3AC 380–480 V ±10%, 47–63 Hz
Power: 2.2 kW constant torque, 2.2 kW square-law torque
Overload capacity: 150% for 60 s
Dimensions: 202×149×172 mm (HxWxD)
Ambient operating temperature: -10 to +50 °C
Degree of protection: IP20
Delivered without AOP (Advanced Operator Panel) / BOP (Basic Operator Panel) and without filter
Warranty & After-Sales
Factory New: 12-month KaiRock warranty
Used/Refurbished: 3–6 months warranty
Technical support and professional after-sales service
Delivery Time
Stock: 3–5 working days
Non-stock/customized: As agreed
Why Choose KaiRock
Reliable supplier of genuine Siemens MICROMASTER drives
Strong sourcing and supply chain management from China
Competitive pricing and fast global delivery
Professional service for trade, repair, and integration companies
Applications
Industrial motor speed and torque control
Pumps, fans, compressors, and conveyors
General-purpose automation systems
Energy-efficient drive solutions





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