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Siemens MICROMASTER MM220 Variable Frequency Drive

Name: Siemens 6SE9221-0BC40
Brand: Siemens
SKU: 6SE9221-0BC40
Availability: InStock

Siemens MICROMASTER MM220 Variable Frequency Drive (VFD)

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ManufacturerSiemens

Part number6SE9221-0BC40

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

Constant Torque 2.2 KW

Overload 150% 60SEC

Protection IP20

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Built-in Class A filter Constant torque capability 150% overload capacity Compact IP20 enclosure Wide operating temperature range 208-240V single-phase input

Product description

The Siemens 6SE9221-0BC40 is a MICROMASTER MM220 variable frequency drive (VFD) with a built-in Class A filter. It is designed for 1-phase AC input at 208-240V with a +/-10% tolerance, operating at 50/60Hz. This drive delivers a constant torque of 2.2 kW and can handle 150% overload for 60 seconds. It features a protection rating of IP20 and operates within an ambient temperature range of 0-50°C.

This VFD is suitable for various industrial applications requiring precise motor speed control, such as conveyor systems, pumps, fans, and machine tools. Its compact dimensions (215 x 185 x 195 mm HxWxD) and robust construction make it ideal for integration into control panels in sectors like manufacturing, food and beverage processing, and material handling.

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Technical specifications

Input	1AC 208-240V +/-10% 50/60Hz
Constant Torque	2.2 KW
Overload	150% 60SEC
Protection	IP20
Dimensions	215 x 185 x 195 MM (H X W X D)
Ambient Temp	0-50 DEG C

Common applications

Conveyor systems

Pump control

Fan control

Machine tools

Material handling

HVAC systems

Industrial automation

Compatible systems

Suitable for 3-phase induction motors Compatible with standard control signals

Also known as

MICROMASTER MM220, Siemens MM220, 6SE9221

Replaces / compatible with

This VFD is a direct replacement for older MICROMASTER 220 series drives with similar specifications. It offers updated filtering and performance for modern applications.

Technical note

Expert tip

Ensure proper ventilation and heat dissipation for the IP20 enclosure, especially when operating at the higher end of the ambient temperature range or with frequent high loads.

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Frequently asked questions

What are the key specifications of the Siemens 6SE9221-0BC40?

The Siemens 6SE9221-0BC40 is a MICROMASTER MM220 VFD with a 2.2 kW constant torque rating and a 150% overload capacity for 60 seconds. It operates on 208-240V AC, 50/60Hz, has an IP20 protection rating, and a temperature range of 0-50°C.