6SE6400-4BE24-2FA0

Siemens

Siemens 6SE6400-4BE24-2FA0 MICROMASTER 4 Braking Resistor

SKU 6SE6400-4BE24-2FA0

Disponibile
  • 12-month warranty
  • Free returns within 30 days
  • Manufacturer: Siemens
  • Product No.: 6SE6400-4BE24-2FA0
  • Origin Germany
  • Product Type: Braking Resistor
  • Barcode: 85049099
  • Payment: T/T, Western Union
  • Weight: 16.8 kg
  • Dimensions: 38.10cm x 35.60cm x 63.50cm
  • Shipping port: Xiamen
  • Warranty: 12 months

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Braking Resistors
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Product Description

The 6SE6400-4BE24-2FA0 is a high-performance braking resistor designed specifically for the MICROMASTER 4 series of AC drives. Its primary function is to dissipate the regenerative energy generated when an AC motor acts as a generator during deceleration or braking phases. With a high peak power rating of 84,000 W and a continuous load capacity of 4,200 W, this resistor provides a robust solution for large-scale industrial drives requiring frequent, high-inertia stops.

Features

  • Series: MICROMASTER 4 Accessory
  • Braking Capacity: 84,000 W (Peak), 4,200 W (Continuous)
  • Resistance: 12 Ohm
  • Voltage Rating: 500-600 V
  • Protection Class: IP20
  • Status: Phase-Out

Applications

  • High-inertia braking applications (centrifuges, large fans)
  • Rapid deceleration for production lines
  • Hoist and crane motion control
  • Emergency stopping of heavy-duty machinery
  • Energy dissipation in regenerative industrial drive systems

Technical Specifications

Parameter Specification
Brand Siemens
Model 6SE6400-4BE24-2FA0
Range Micromaster 4
Peak Power 84,000 W
Continuous Power 4,200 W
Resistance 12 Ohm
Voltage Range 500-600 V
Protection IP20
Weight 16.80 kg
Dimensions 38.10 x 35.60 x 63.50 cm
Commodity Code 85049099
Product Phase Phase-Out

Installation Guidelines

  • Ventilation: Due to the heat generated during the dissipation process, the braking resistor must be mounted in a well-ventilated area, preferably with upward airflow to ensure the heat dissipates away from the inverter and sensitive electronics.
  • Proximity: Keep the resistor as close as possible to the inverter’s braking module to minimize the length of high-power cabling, which reduces the potential for electromagnetic interference (EMI).
  • Clearance: Maintain the specified dimensions for mounting and ensure surrounding materials are flame-retardant, as the surface temperature of the resistor increases significantly during operation.
  • Safety: Connect the resistor to the dedicated braking terminals on the inverter or braking chopper module. Ensure that the circuit includes thermal protection—if the inverter software supports it, configure the resistor's thermal time constant to prevent overheating.
Shipping & Returns

Global Express Shipping

  • Standard Delivery: 4–6 business days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our technical warranty.
FAQ
What happens to the kinetic energy during deceleration?
During motor deceleration, the kinetic energy of the load is converted back into electrical energy by the motor. This energy flows back to the drive's DC link; the braking resistor converts this excess electrical energy into heat to prevent DC link overvoltage.
Why is the continuous power rating lower than the peak power rating?
The peak power rating refers to the resistor's ability to handle short, intense bursts of energy, while the continuous power rating is the thermal limit the resistor can handle indefinitely without exceeding its safe operating temperature.
What is the importance of the 12 Ohm resistance value?
The resistance value is calculated to match the drive's internal braking chopper requirements. Using a resistor with the incorrect resistance can result in insufficient braking torque or damage to the braking chopper electronics.
Is active cooling required for this resistor?
While it is designed for passive heat dissipation via its housing, it must be mounted in a location with adequate airflow. If the installation environment is restricted, additional forced-air cooling may be necessary to maintain safe operating temperatures.
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Siemens 6SE6400-4BE24-2FA0 MICROMASTER 4 Braking Resistor

Only 5 item(s) left in stock

  • Manufacturer: Siemens

  • Product No.: 6SE6400-4BE24-2FA0

  • Country of origin:Germany

  • Product Type: Braking Resistor

  • Barcode: 85049099

  • Payment: T/T, Western Union

  • Weight: 16800g

  • Dimensions: 38.10cm x 35.60cm x 63.50cm

  • Shipping port: Xiamen

  • Warranty: 12 months

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Product Description
FAQ
Shipping Returns
Additional details
Reviews

The 6SE6400-4BE24-2FA0 is a high-performance braking resistor designed specifically for the MICROMASTER 4 series of AC drives. Its primary function is to dissipate the regenerative energy generated when an AC motor acts as a generator during deceleration or braking phases. With a high peak power rating of 84,000 W and a continuous load capacity of 4,200 W, this resistor provides a robust solution for large-scale industrial drives requiring frequent, high-inertia stops.

Features

  • Series: MICROMASTER 4 Accessory
  • Braking Capacity: 84,000 W (Peak), 4,200 W (Continuous)
  • Resistance: 12 Ohm
  • Voltage Rating: 500-600 V
  • Protection Class: IP20
  • Status: Phase-Out

Applications

  • High-inertia braking applications (centrifuges, large fans)
  • Rapid deceleration for production lines
  • Hoist and crane motion control
  • Emergency stopping of heavy-duty machinery
  • Energy dissipation in regenerative industrial drive systems

Technical Specifications

Parameter Specification
Brand Siemens
Model 6SE6400-4BE24-2FA0
Range Micromaster 4
Peak Power 84,000 W
Continuous Power 4,200 W
Resistance 12 Ohm
Voltage Range 500-600 V
Protection IP20
Weight 16.80 kg
Dimensions 38.10 x 35.60 x 63.50 cm
Commodity Code 85049099
Product Phase Phase-Out

Installation Guidelines

  • Ventilation: Due to the heat generated during the dissipation process, the braking resistor must be mounted in a well-ventilated area, preferably with upward airflow to ensure the heat dissipates away from the inverter and sensitive electronics.
  • Proximity: Keep the resistor as close as possible to the inverter’s braking module to minimize the length of high-power cabling, which reduces the potential for electromagnetic interference (EMI).
  • Clearance: Maintain the specified dimensions for mounting and ensure surrounding materials are flame-retardant, as the surface temperature of the resistor increases significantly during operation.
  • Safety: Connect the resistor to the dedicated braking terminals on the inverter or braking chopper module. Ensure that the circuit includes thermal protection—if the inverter software supports it, configure the resistor's thermal time constant to prevent overheating.
Key Features:
#Braking Resistors

What happens to the kinetic energy during deceleration?
During motor deceleration, the kinetic energy of the load is converted back into electrical energy by the motor. This energy flows back to the drive's DC link; the braking resistor converts this excess electrical energy into heat to prevent DC link overvoltage.

Why is the continuous power rating lower than the peak power rating?
The peak power rating refers to the resistor's ability to handle short, intense bursts of energy, while the continuous power rating is the thermal limit the resistor can handle indefinitely without exceeding its safe operating temperature.

What is the importance of the 12 Ohm resistance value?
The resistance value is calculated to match the drive's internal braking chopper requirements. Using a resistor with the incorrect resistance can result in insufficient braking torque or damage to the braking chopper electronics.

Is active cooling required for this resistor?
While it is designed for passive heat dissipation via its housing, it must be mounted in a location with adequate airflow. If the installation environment is restricted, additional forced-air cooling may be necessary to maintain safe operating temperatures.

Global Express Shipping

  • Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).


For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

Color pattern
Silver
Country of origin
Germany

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