Home › Manufacturers › Siemens › SINAMICS & MICROMASTER Drives › 6SE6400-4BC21-2EA0

Siemens

Siemens MICROMASTER 4 Braking Resistor: 6.8 Ohm, 2400W Peak

Name: Siemens 6SE6400-4BC21-2EA0
Brand: Siemens
SKU: 6SE6400-4BC21-2EA0
Availability: InStock

Siemens MICROMASTER 4 braking resistor, 6.8 Ohm, for 200-240V VFDs.

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

In Stock — Ready to Ship

ManufacturerSiemens

Part number6SE6400-4BC21-2EA0

Resistance 6.8 Ohm

Peak Power 2400W

Continuous Power 1200W

Voltage 200-240 V

Get a price for 6SE6400-4BC21-2EA0

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

6.8 Ohm Resistance 2400W Peak Power 1200W Continuous Power For 200-240V VFDs IP20 Rated MICROMASTER 4 Series

Product description

The Siemens MICROMASTER 4 braking resistor (6SE6400-4BC21-2EA0) is designed to dissipate excess energy generated during motor deceleration in variable frequency drive (VFD) applications. This resistor features a resistance of 6.8 Ohms and can handle a peak power of 2400W, with a continuous power rating of 1200W. It is suitable for use with VFDs operating in the 200-240 V range.

This braking resistor is essential for applications where rapid motor stopping or frequent braking is required, preventing overvoltage on the DC bus of the drive. It is commonly used in material handling, conveyor systems, and other machinery where dynamic braking is a necessity.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens MICROMASTER 4 braking resistor (6SE6400-4BC21-2EA0). We provide high-quality industrial components to ensure the reliable operation of your automation systems. Source your Siemens VFD accessories from Stanlo for cost-effective and dependable solutions.

Technical specifications

Resistance	6.8 Ohm
Peak Power	2400W
Continuous Power	1200W
Voltage	200-240 V
Dimensions (HxWxD)	645x270x175 mm
IP Rating	IP20

Common applications

Variable Frequency Drives

Motor Braking

Industrial Automation

Material Handling

Conveyor Systems

Machine Control

Compatible systems

Siemens MICROMASTER 4 series VFDs 200-240V VFD systems Applications requiring dynamic braking

Also known as

MICROMASTER 4 braking resistor, Siemens 6SE6400, VFD brake resistor, 6.8 Ohm resistor

Replaces / compatible with

This braking resistor is designed for use with Siemens MICROMASTER 4 series Variable Frequency Drives. Ensure compatibility with your specific drive model.

Technical note

Expert tip

Mount the braking resistor in a well-ventilated area, away from flammable materials, as it will generate significant heat during operation.

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 continuous power rating of the Siemens MICROMASTER 4 braking resistor (6SE6400-4BC21-2EA0)?

The Siemens MICROMASTER 4 braking resistor (6SE6400-4BC21-2EA0) has a continuous power rating of 1200W. It can also handle a peak power of 2400W, making it suitable for dynamic braking applications.