ACS-BRK-C Brake Chopper Unit (380-480 V)
The ACS-BRK-C is a brake chopper unit for ABB drive systems, designed to dissipate regenerative energy from decelerating motors through external brake resistors. It is rated for 380-480 V, 50/60 Hz operation and protects the drive DC bus from overvoltage during braking cycles.
The brake chopper monitors the DC-link voltage and connects the external brake resistor when the bus voltage rises during regenerative braking, converting surplus motor energy into heat in the resistor. It is installed in the drive panel and wired to the DC terminals and the external brake resistor.
Typical applications include hoists, cranes, centrifuges, conveyor braking and high-inertia or fast-cycling drive applications requiring dynamic braking.
Technical Specifications
| Product Series |
ABB ACS drive brake choppers |
| Model / Type Designation |
ACS-BRK-C |
| Product Type |
Brake chopper unit |
| Function |
Braking chopper for connection of external brake resistor |
| Voltage Rating |
380-480 V, 50/60 Hz |
| Compatibility |
ABB ACS drive family (brake chopper assembly) |
| Operation |
Switches external brake resistor across DC bus on overvoltage |
| Mounting |
Panel mounting |
| Product Net Weight |
8.5 kg |
| Brand |
ABB |
| Condition |
New Surplus |
| Warranty |
12-month seller warranty |
Shipping & Warranty: Fast order processing with worldwide delivery available. This item is sold as New Surplus and backed by our 12-month warranty, which covers quality-related replacement or refund. Contact our team for compatibility checks, bulk pricing, or spare-parts sourcing support.