ABB NBRA-669C Universal Brake Chopper, High-Efficiency Energy Dissipation Solution
The ABB NBRA-669C Universal Brake Chopper is designed to provide reliable and efficient thermal management solutions for industrial applications, including energy recovery in motor drives and braking systems.
Product Type:Brake Chopper
Model:NBRA-669C
Brand:ABB
Input Voltage:Up to 690V
Output Voltage:N/A
Current Rating:Up to 300A
Weight:7.5 kg
Dimensions:350mm x 250mm x 150mm
Protection Rating:IP20
Cooling Method:Natural convection
Operating Temperature Range:-25°C to 70°C
Designed to work seamlessly with ABB’s range of electrical drives, the NBRA-669C ensures reliable and efficient braking by converting excess energy into heat through resistors. This helps to maintain optimal performance and prolongs the lifespan of your equipment.
Built with robust materials and advanced engineering, the NBRA-669C offers superior durability and reliability, making it suitable for demanding industrial applications. Its compact design allows for easy installation in tight spaces.
Equipped with a wide input voltage range, this brake chopper can be utilized across various drive systems without the need for additional configuration. Its power rating up to 250 kW makes it a versatile solution for large-scale industrial machinery.
The IP20 protection class ensures that the brake chopper is well-protected against dust and accidental contact, providing long-term stability and reliability in harsh industrial environments.
With its precise operating temperature range from -25°C to 70°C, the NBRA-669C is capable of performing reliably under extreme conditions, ensuring consistent and efficient energy dissipation.













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