6SE7021-0TA51-Z Siemens AC Drive | 4KW Motor Controller

Siemens 6SE7021-0TA51-Z AC Drive: Reliable Motor Control Solution

This high-performance AC drive delivers precise speed control for your industrial motors. Perfect for automation applications requiring reliable operation.

• Easy to install and setup
• Compact design saves space
• Robust construction for industrial use
• Compatible with most three-phase motors
• Includes comprehensive protection features

Product Details & Specifications

Manufacturer: Siemens
Product Range: SIMOVERT
Model Series: MASTERDRIVES
Complete Model: 6SE7021-0TA51-Z
Drive Type: AC Drive / Frequency Converter
Rated Current: 10 Amps
Power Rating: 4 Kilowatts
Input Voltage: 510-650 V DC
Phase Type: 3 Phase
Product Style: Compact Unit

Physical Dimensions

Unit Size: 8.9 x 45.7 x 35.6 cm
Shipping Weight: 9.1 kilograms
Protection Rating: IP20 (Indoor use)
Cooling Method: Natural convection

Key Technical Parameters

Control Method: PWM (Sinusoidal)
Frequency Range: 0-650 Hz
Efficiency Level: >97%
Ambient Temperature: -10°C to +50°C
Storage Temperature: -25°C to +70°C
Humidity Range: 5-95% (non-condensing)

Protection & Safety

Short Circuit Protection: Built-in
Overload Capacity: 150% for 60 seconds
Overvoltage Protection: Automatic
Undervoltage Protection: Yes
Thermal Monitoring: Motor overload detection

Package Includes

Siemens 6SE7021-0TA51-Z AC Drive Unit
Installation Manual and Documentation
Mounting Hardware
Connection Diagrams

Warranty & Support

Full 12-month product warranty
Technical support available
Quick troubleshooting assistance

Shipping Options

Fast delivery available worldwide
Choose from FedEx, UPS, or DHL
Tracking information provided
Secure packaging guaranteed

Frequently Asked Questions

What motors work with this drive?

It controls standard three-phase induction motors up to 4KW. Perfect for pumps, fans, and conveyor systems.

How do I program the drive?

Use the built-in keypad or Siemens software. Basic settings are quick to configure for immediate use.

Can it handle heavy starting loads?

Yes, the drive provides 150% overload capacity. This helps start motors under difficult load conditions.

What maintenance is required?

Just keep it clean and dry. Check connections periodically. No regular maintenance is needed for normal operation.

Is installation complicated?

Not at all. Follow the wiring diagram in the manual. Most users complete setup in under one hour.