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Siemens MIDIMASTER VECTOR MDV750/3 Variable Torque Drive

Name: Siemens 6SE3221-7DG40
Brand: Siemens
SKU: 6SE3221-7DG40
Availability: InStock

Siemens MIDIMASTER VECTOR MDV750/3 Variable Torque Drive.

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

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ManufacturerSiemens

Part number6SE3221-7DG40

Part Number 6SE3221-7DG40

Manufacturer Siemens

Series MIDIMASTER VECTOR

Model MDV750/3

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12-month warranty

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Variable Torque Control 11 kW Output Power 380-500V 3AC Input IP21/NEMA 1 Protection High Overload Capacity Suitable for pumps and fans

Product description

The Siemens MIDIMASTER VECTOR MDV750/3 (Part Number: 6SE3221-7DG40) is a robust variable frequency drive designed for demanding motor control applications. It operates on a 3-phase, 380-500V AC input and delivers a constant torque output with overload capabilities of 150% for 60 seconds and 200% for 3 seconds. The drive is rated for 11 kW and features IP21/NEMA 1 protection.

This drive is suitable for a wide range of industrial applications requiring precise speed and torque control, such as pumps, fans, conveyors, and machine tools. Its ability to handle variable torque loads makes it highly versatile in manufacturing environments.

Stanlo Automation, a veteran-owned distributor, offers the Siemens 6SE3221-7DG40. We provide reliable access to surplus industrial automation parts, ensuring your operations continue with minimal downtime.

Technical specifications

Part Number	6SE3221-7DG40
Manufacturer	Siemens
Series	MIDIMASTER VECTOR
Model	MDV750/3
Input Voltage	380-500V 3AC
Output Power	11 kW
Overload	150% 60s, 200% 3s
Protection	IP21/NEMA 1
Dimensions	450 x 275 x 210 mm

Common applications

Pump Control

Fan Control

Conveyor Systems

Machine Tools

HVAC Systems

Variable Speed Drives

Compatible systems

Industrial Motors Various Control Systems

Also known as

Siemens MDV750/3 MIDIMASTER MDV750/3 Siemens 6SE3221 Variable Torque Drive

Replaces / compatible with

Replaces older Siemens VFD models requiring similar power and voltage ratings. Please consult the Siemens documentation for exact compatibility.

Technical note

Expert tip

Ensure that the motor connected to the 6SE3221-7DG40 is appropriately rated for the drive's output specifications and that proper grounding is established.

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Frequently asked questions

What is the ambient temperature range for the Siemens 6SE3221-7DG40 drive?

The Siemens MIDIMASTER VECTOR MDV750/3 (6SE3221-7DG40) is designed to operate within an ambient temperature range of 0-40 degrees Celsius. Proper ventilation is crucial for maintaining performance within this range.