RZW02.1-075-025
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The Bosch Rexroth Indramat RZW02.1-075-025, part of the RZW Braking Resistors Series, features a fixed design and a power rating of 75 kW. It has a thermal time constant of 100 seconds and operates with a protection class of IP20. The housing is crafted from galvanized steel, ensuring durability in ambient temperatures up to 40°C.
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Product Description:
The RZW02.1-075-025 is a Bosch Rexroth industrial-grade braking resistor tailored for safe braking applications in heavy machinery. It offers superior heat resistance and long-term reliability, ensuring consistent energy dissipation in load control processes. This resistor is designed to absorb regenerative energy and prevent voltage surges within drive systems, maintaining operational stability and safety. By repurposing the excess energy, the resistor helps to enhance system efficiency by preventing energy wastage and power loss. This contributes to improved power efficiency and overall system sustainability.
The RZW02.1-075-025 offers an energy dissipation rate of 75kW, continuously converting the extra kinetic energy into heat and dissipating it to prevent temperature build up. It can reliably manage heavy energy loads, ensuring both system protection and uninterrupted operational performance. The resistor has a thermal time constant of 100 seconds, which indicates how the resistor responds to changes in temperature during operation. The enhanced insulation properties of the motor result in improved thermal performance by regulating how quickly the resistor absorbs heat. It ensures gradual absorption which translates to better thermal stability.
This resistor is optimized for high efficiency with a 25% SD. This 25% operating factor makes the inverter suitable for applications that require periodic but intense energy dissipation, such as in batch processing equipment or intermittent-motion drives. The unit comes in a robust housing made from durable galvanized steel. This ensures enhanced durability and protection in demanding industrial environments. The resistor is suited for horizontal assembly with terminals positioned below, a configuration that supports optimal airflow and thermal dissipation during operation.
Frequently Asked Questions about RZW02.1-075-025:
Q: What is the continuous power rating of the RZW02.1-075-025?
A: The RZW02.1-075-025 has a continuous power dissipation rating of 75 kW. This allows it to effectively handle large amounts of braking energy in heavy machinery applications.
Q: What resistance value does the RZW02.1-075-025 provide?
A: The RZW02.1-075-025 comes with a resistance of 5.4 Ohms, which enables controlled energy conversion during braking. This helps protect drive systems from voltage spikes.
Q: What is the thermal time constant of the RZW02.1-075-025?
A: The RZW02.1-075-025 features a thermal time constant of 100 seconds. This ensures gradual heating and cooling, reducing thermal stress on the resistor.
Q: What is the operating factor (SD) of the RZW02.1-075-025?
A: The RZW02.1-075-025 has a 25% operating factor, meaning it can handle full load for one quarter of a duty cycle. This supports intermittent braking demands while maintaining safe temperature levels.
Q: What type of material is used for the housing of the RZW02.1-075-025?
A: The RZW02.1-075-025 has a galvanized steel housing. This provides corrosion resistance and protects the internal components in harsh industrial conditions.
