RZW02.1-090-006
RZW Braking Resistors
RZW02.1-090-006, Bosch Rexroth Indramat, RZW Braking Resistors series offers robust braking performance in demanding industrial automation environments. This braking resistor is engineered for reliable dissipation of regenerative energy from three-phase systems, ensuring consistent power management up to 20 kW. The compact footprint and durable enclosure rated IP20 permit protected indoor installation while maintaining easy access for integration. Axial fan ventilation and porcelain terminal connections further enhance system longevity and uninterrupted operation.
The device supports a wide Power Supply range of 100–240 VAC and interfaces seamlessly with 90 kW frequency inverters for precise regenerative control. It maintains a high Efficiency of 95%, minimizing heat losses, and operates across an ambient Operating Temperature Range of -20 to 50 °C. Thermal management is secured by a 3 AC/400 V/50 Hz, 3.5 kVA axial fan under the Ventilation (Type D) specification, while a maximum Load Cycle Duration of 120 seconds accommodates peak braking demands. Flexible Switch-On Duration settings (6%, 15%, 25%, 40%, 60%) tailor performance to varying duty cycles. Safety and monitoring are integrated via Control Feature (Wind vane relay, Type D) and continuous Monitoring through converter firmware (RD 500). The resistor mounts securely by Mounting parallel bolting, and durable Terminal Connection using porcelain ensures stable electrical interfaces.
Engineers will appreciate seamless integration with RD 500 converters, offering real-time diagnostics and proactive fault detection for maximum uptime. The rugged, IP20-protected construction and precise thermal regulation deliver dependable reliability under continuous operation. Ideal for industrial automation, the RZW02.1-090-006 excels in applications requiring efficient energy management and robust braking capability.
Technical Specifications
Control Feature
Wind vane relay (Type D), firmware monitoring (RD 500)
Efficiency
95%
Load Cycle Duration
120 seconds
Monitoring
Integrated via converter firmware (RD 500)
Mounting
Parallel attachment to assembly surface, bolted
Operating factor
6 % SD
Operating Temperature Range
-20 to 50 degrees C
Output Power
20 kW
Phase Type
Three-phase
Power data of frequency inverter
90 kW
Power Supply
100-240 VAC
Protection Class
IP 20
Switch-On Duration (SD)
6%, 15%, 25%, 40%, 60%
Terminal Connection
Porcelain terminals
Ventilation (Type D)
3 AC / 400 V / 50 Hz, 3.5 kVA axial fan
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