RZW02.1-007-060

The Bosch Rexroth Indramat RZW02.1-007-060 braking resistor, part of the RZW Braking Resistors series, delivers a robust solution for energy dissipation in industrial automation environments. This unit is rated at a Power Class of 7.5 kW and features a Minimum Connectable Resistance of 30 Ω, ensuring precise control over regenerative energy during deceleration. Constructed from Galvanized Steel with an IP20 Protection Class, the resistor offers corrosion resistance and safe operation within standard drive enclosures. Weighting 7 kg for Type E2, the compact footprint simplifies panel integration and reduces mechanical load on mounting structures. With a Thermal Time Constant of 100 seconds, the device maintains consistent thermal performance under varying load conditions and supports continuous duty cycles without overheating.

Performance characteristics of the RZW02.1-007-060 are optimized for dynamic braking applications through a variety of switch-on and switch-off cycle ratings. The resistor delivers a Peak Power (6% Sd) of 6.5 kW, supported by a Resistance Type for 6% Sd (E2) and a Cross-section for 6% Sd of 2.5 mm², enabling rapid energy discharge in high-frequency cycles. For extended duties, the Resistance Type for 15% Sd (E3) and Resistance Type for 25% Sd (F1) both utilize a 2.5 mm² Cross-section, providing stable performance at intermediate switching durations. The device achieves a Switch-on Duration (cycle) of 7.2s at 6% Sd and 72s at 40% Sd, paired with a Switch-off Duration (cycle) of 112.8s at 6% Sd and 48s at 40% Sd, to balance load handling and recovery. These parameters ensure consistent braking torque control and protect against thermal runaway by leveraging the integrated thermal time constant.

Engineered for reliability and seamless integration within Bosch Rexroth Indramat drive systems, the RZW02.1-007-060 excels in energy-sensitive motion control applications. Its IP20 Protection Class and galvanized steel housing provide dependable operation in industrial settings, guarding against particulates and mechanical impact. The single cable size requirement across all duty cycles simplifies wiring and reduces installation complexity. Matching the resistor’s Resistance Types (E2, E3, F1) to specific duty requirements allows precise system tuning, while the modest weight and compact design support retrofits in constrained panel spaces. Suitable for servo drives, CNC machines, and automated production lines, this braking resistor ensures safe energy discharge and extends the life of drive components under cyclical load conditions.