Rockwell Automation A-B DBU-400 Dynamic Braking Unit 380-460V 400A
The A-B DBU-400 Dynamic Braking Unit is an essential component designed to efficiently dissipate energy from dynamic braking systems. It’s specifically engineered for industrial applications where controlled deceleration and stopping of motors are required, ensuring reliable performance and safety.
Rated Voltage:380 – 460 V
Rated Current:400 A
Brake Start-Up Voltage:656 / 690 / 725 / 760 / 800 ±6V DC
DC Voltage Range:400 ~ 800VDC
Operating Temperature:-10°C ~ +50°C
Storage Temperature:-20°C ~ +60°C
Min. Equivalent Resistor Value:200 Ω
This dynamic braking unit is built to handle demanding industrial environments with robust construction and reliable performance.
Its wide voltage range makes it suitable for various applications, from manufacturing facilities to renewable energy projects.
The high current rating and efficient power dissipation capability ensure that excess energy is managed safely and effectively, reducing wear and tear on your system components.
Designed with user-friendly mounting options and a compact size, installation and maintenance are made easy.
Enjoy peace of mind with its extended operating temperature range, making it adaptable to a variety of climates and conditions.
Experience enhanced efficiency and reliability with the Rockwell A-B DBU-400 Dynamic Braking Unit.










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