1. Core Technical Parameters

Auxiliary Supply：24 VDC

Dynamic Braking Power Rating：12 kW

Max Continuous Brake Current：28 A

Internal Resistance Value：2.1 Ω

Dielectric Withstand Voltage：2000 VAC

Operating Temperature：-20℃ ~ +65℃

Mounting Standard：DC drive cabinet internal bracket

2. Compatibility & Expandability

Same-brand Compatibility

ABB SDCS-REB-1 is dedicated dynamic braking resistor unit supporting ABB SDCS series DC drives. Drive service technicians install multiple ABB SDCS-REB-1 inside shared drive cabinets to handle regenerative energy generated by heavy-duty lifting and winding equipment. ABB SDCS-REB-1 connects directly to DC bus terminals of ABB SDCS power units without intermediate current distribution terminals. Fixed wiring terminal layout ensures stable energy dissipation performance when ABB SDCS-REB-1 matches all standard ABB SDCS control boards and rectifier modules.

Cross-brand Compatibility

Specialized DC bus terminal pitch of ABB SDCS-REB-1 cannot match third-party DC drives directly. Extra conversion busbar sets are required to link ABB SDCS-REB-1 with Siemens or Parker DC speed controllers. Universal DC energy absorption principle allows ABB SDCS-REB-1 to consume regenerative power from most aftermarket DC motor power stacks with no internal resistance modification.

3. Lifecycle Cost Analysis

Service cycle of ABB SDCS-REB-1 covers 10 years, exchange rate:1USD=7.2CNY, purchase and installation expenses are excluded from all cost statistics

Annual routine maintenance cost: Resistance temperature detection and surface dust cleaning for ABB SDCS-REB-1 costs 22 USD per year, total 10-year maintenance expense: 220 USD

Spare part replacement cost: Resistor wire aging burnout of ABB SDCS-REB-1 generally occurs once every 8 years, single spare braking unit price: 326 USD, total replacement expense within 10 years: 326 USD

Retrofit expense saving: Original cabinet DC bus wiring fully adapts to ABB SDCS-REB-1 during drive system reconstruction, saving 174 USD extra busbar processing labor cost compared with incompatible substitute braking resistors

Total cumulative running cost for single ABB SDCS-REB-1 across ten service years: 372 USD