Home › Manufacturers › Siemens › SINAMICS & MICROMASTER Drives › 6SE7021-3TB71-1AA1-Z

Siemens

Siemens 6SE7021-3TB71-1AA1-Z Variable Frequency Drive

Name: Siemens 6SE7021-3TB71-1AA1-Z
Brand: Siemens
SKU: 6SE7021-3TB71-1AA1-Z
Availability: InStock

Siemens 6SE7021-3TB71-1AA1-Z MICROMASTER 4 Variable Frequency Drive.

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

In Stock — Ready to Ship

ManufacturerSiemens

Part number6SE7021-3TB71-1AA1-Z

Power Rating 5.5 kW

Input Voltage 400-480V 3AC

Output Frequency 0-600 Hz

Protection IP20

Get a price for 6SE7021-3TB71-1AA1-Z

Response within 1 business hour

🛡

12-month warranty

All units tested

⚡

Same-day dispatch

Order by 2pm CST

🌐

Worldwide delivery

US, EU, Asia, Middle East

🎖

Veteran-owned

CAGE: 9NK75

Variable speed motor control Energy saving Precise torque control Smooth acceleration/deceleration Microprocessor controlled Robust construction

Product description

The Siemens 6SE7021-3TB71-1AA1-Z is a high-performance variable frequency drive (VFD) from the MICROMASTER 4 series. This unit is designed to control the speed and torque of three-phase AC motors, offering significant energy savings and precise motion control. It operates with a 5.5kW power rating and supports a 400-480V, 3-phase AC input.

This VFD is widely used in applications such as conveyor systems, pumps, fans, and machine tools, where variable speed operation is required to optimize performance and reduce mechanical stress. Its advanced control functions ensure smooth acceleration and deceleration, improving overall system efficiency.

Stanlo Automation, a veteran-owned company, stocks the Siemens 6SE7021-3TB71-1AA1-Z. We provide reliable surplus industrial automation components, ensuring you can find the parts you need for your motor control applications.

Technical specifications

Power Rating	5.5 kW
Input Voltage	400-480V 3AC
Output Frequency	0-600 Hz
Protection	IP20
Dimensions	285 x 145 x 233 mm

Common applications

Conveyor systems

Pumps

Fans

Machine tools

Packaging machinery

Textile machinery

Material handling

Compatible systems

Three-phase AC induction motors

Also known as

Siemens MICROMASTER 4 Drive 6SE7021-3TB71-1AA1-Z VFD Siemens 5.5kW Drive

Replaces / compatible with

This drive is designed to replace older analog and digital motor control solutions, offering enhanced features and efficiency.

Technical note

Expert tip

Proper heatsink and ventilation are crucial for the reliable operation of the 6SE7021-3TB71-1AA1-Z VFD, especially in high ambient temperature environments.

What happens next?

Email confirmation

Immediate receipt acknowledgment sent to you

Account manager assigned

Confirms your part's spec and condition

Your quote delivered

Tailored to your specific requirements

Frequently asked questions

What is the power rating and input voltage for the Siemens 6SE7021-3TB71-1AA1-Z?

The Siemens 6SE7021-3TB71-1AA1-Z is a 5.5kW variable frequency drive designed for a 400-480V, 3-phase AC input power supply. This allows it to effectively control a wide range of industrial AC motors.