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Siemens MICROMASTER MM300 Variable Frequency Drive - 3.0 KW

Siemens MICROMASTER MM300 VFD, 3.0 KW, 1AC 208-240V, IP20.

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ManufacturerSiemens

Part number6SE9221-3BC40

Series MICROMASTER MM300

Type Variable Frequency Drive (VFD)

Input 1AC 208-240V +/-10%, 50/60Hz

Output Power 3.0 KW (Constant Torque)

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3.0 KW Output Power 208-240V Single-Phase Input IP20 Protection Built-in Class A Filter 150% Overload Capability Variable Speed Control

Product description

The Siemens MICROMASTER MM300, part number 6SE9221-3BC40, is a Variable Frequency Drive (VFD) designed for single-phase input and three-phase output. It operates on a 1AC 208-240V power supply with a constant torque rating of 3.0 KW and can handle 150% overload for 60 seconds. This unit features a built-in Class A filter and has an IP20 protection rating. Its dimensions are 215 x 185 x 195 mm (H x W x D).

This VFD is ideal for a wide range of applications requiring variable speed control of AC motors, including pumps, fans, conveyors, and general machine automation. The integrated filter helps meet electromagnetic compatibility (EMC) standards, making it suitable for various industrial and commercial settings.

Stanlo Automation, your veteran-owned surplus distributor, has the Siemens 6SE9221-3BC40. Get this reliable MICROMASTER MM300 drive to achieve precise motor speed control and energy savings for your applications.

Technical specifications

Series	MICROMASTER MM300
Type	Variable Frequency Drive (VFD)
Input	1AC 208-240V +/-10%, 50/60Hz
Output Power	3.0 KW (Constant Torque)
Overload	150% 60sec
Protection	IP20
Filter	Class A
Dimensions	215x185x195mm

Common applications

Pump Control

Fan Control

Conveyor Systems

Machine Automation

Industrial Machinery

HVAC Systems

Compatible systems

3-phase AC Motors (3.0 KW, 208-240V)

Also known as

Siemens MM300 VFD Siemens MICROMASTER Drive 6SE9221-3BC40 AC Drive

Replaces / compatible with

This is a standalone VFD. For compatibility with specific control systems, consult the Siemens MICROMASTER documentation.

Technical note

Expert tip

The built-in Class A filter helps reduce electromagnetic interference, allowing for easier compliance with EMC regulations in many industrial environments.

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Frequently asked questions

What is the power output and input voltage for the Siemens 6SE9221-3BC40?

The Siemens MICROMASTER MM300, part number 6SE9221-3BC40, has a constant torque power output of 3.0 KW. It operates with a single-phase AC input voltage of 208-240V +/-10%.