Dynamic Braking Resistors (DBRs)

Dynamic Braking Resistors (DBRs) manage extra energy during motor deceleration. They turn this extra energy into heat. This process keeps the drive system safe and steady. The PDB series delivers continuous power from 200 W to 4000 W. It also handles short surge loads up to 80,000 W for five seconds. These resistors come in resistance values from 1.5 Ω to 820 Ω. So, they suit many drive systems. Each unit comes in a strong, ventilated steel case. The perforated design helps heat escape fast and boosts long-term use. For models 1500 W and above, 800 V terminals with 10 mm studs ensure tight and secure connections.

The PDB series also brings great safety and flexibility. It includes an IP20 protection rating that blocks solid objects. Its zinc-plated steel case resists rust and damage. You can mount these units on the wall or base with simple hardware. That makes setup easy. You can also add thermal cut-outs. These disconnect the unit at high temperatures, adding more safety. The holes in the case boost airflow, so it cools fast during use. 

These resistors work up to 15 minutes once per hour without a problem. That makes them great for frequent braking needs. And if you need a custom setup, we can design that too. This series also stands up to tough conditions. It resists vibration and sudden shock. It keeps working even under heavy use. It also handles thermal cycling well. 

Dynamic Braking Resistors (DBRs) Product Features

• Continuous power range: 200 W to 4000 W
• Short-term surge capacity: up to 80,000 W (5 seconds)
• Resistance values: 1.5 Ω to 820 Ω
• Resistance tolerance: ±10%
• Ingress protection rating: IP20
• Enclosure: Perforated, zinc-plated steel with black powder coating
• Terminal specifications: 800 V rated, 10 mm studs for units ≥1500 W
• Optional thermal cut-outs for over-temperature protection
• Cooling method: Natural air convection
• Duty cycle: Operates once per hour for up to 15 minutes
• Mounting options: Wall or base mounting with standard hardware
• Compliance: RoHS and IEC 60115 standards
• High resistance to vibration and mechanical shock
• Long operational life under load​

Areas of Application

• Motor drive braking
• Conveyor system deceleration
• Elevator and lift controls
• Crane and hoist operations
• Wind turbine braking systems
• Railway traction systems
• Industrial automation machinery
• Renewable energy inverters
• Process control systems
• Test and measurement equipment​

Dynamic Braking Resistors (DBRs) keep their values accurate and steady. As a result, they stop the drive from tripping during braking. This helps machines slow down smoothly. You can count on the PDB series in many places—from factory equipment and elevators to wind turbines and transit systems. They offer a reliable and efficient way to handle braking energy in all kinds of jobs.