RZW02.1-090-015
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The Bosch Rexroth Indramat RZW02.1-090-015 braking resistor, part of the RZW Braking Resistors series, has a power rating of 90 kW and operates at 15% SD. It features a resistance of 2.5 Ohms and operates within a temperature range of 0°C to 40°C. The device includes IP20 protection and a built-in ventilator specification of 3 AC / 400 V / 50 Hz / 3.5 kVA.
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Product Description:
The RZW05.1-540-090 is a high-capacity braking resistor designed for large motor drives and regenerative braking applications. Its robust construction ensures stability even under extreme load conditions. This resistor offers dependable energy dissipation for dynamic braking systems, helping to safely manage excess energy during deceleration phases. This ensures reduced mechanical strain on system components and prevents overvoltage in variable frequency drive environments. This resistor has an operating factor (SD) of 15%, indicating that it is designed to operate under load for 15% of a defined duty cycle period. This ensures that the resistor can avoid excessive thermal buildup, ensuring safe operation.
This resistor comes with a built-in ventilator rated at 3-phase AC, 400 V. The ventilator operates at 50 Hz and comes with 3.5 kVA rating to ensure efficient thermal management during high-power dissipation. This active cooling system significantly enhances the resistor’s ability to handle sustained braking loads by maintaining optimal internal temperatures, even during peak operation. The 3-phase 400 V design aligns with standard industrial power supplies, simplifying integration into existing systems. With a power rating of 3.5 kVA, the ventilator delivers robust airflow to quickly dissipate heat generated by the resistor element, reducing thermal stress and preventing overheating.
The RZW05.1-540-090 features a continuous power dissipation rating of 90 kW, making it suitable for applications where large volumes of kinetic energy must be safely converted into heat. This high capacity enables the resistor to absorb and dissipate substantial regenerative energy generated during the rapid deceleration of large motors or heavy loads. The resistor is suited for 0 to 40°C operating conditions and humidity levels of less than 90%. Its IP20 rating enhances durability in various settings but exposure to moisture and dust should be limited for optimal performance.
Frequently Asked Questions about RZW02.1-090-015:
Q: What power rating does the RZW05.1-540-090 braking resistor come with?
A: The RZW05.1-540-090 features a 90 kW continuous power dissipation rating. This allows it to manage high braking loads in large motor drive systems without overheating.
Q: What is the resistance value of the RZW05.1-540-090?
A: The RZW05.1-540-090 has a resistance of 2.5 Ohms, providing controlled current flow during braking. This helps convert kinetic energy into heat efficiently and ensures safe deceleration.
Q: What operating factor does the RZW05.1-540-090 support?
A: The RZW05.1-540-090 has an operating factor of 15%, meaning it can operate under load for 15% of each duty cycle.
Q: What type of cooling system does the RZW05.1-540-090 include?
A: The RZW05.1-540-090 includes a built-in ventilator rated at 3.5 kVA. This active cooling setup provides enhanced heat dissipation, ensuring stable performance under heavy use.
Q: What is the IP protection rating of the RZW05.1-540-090?
A: The RZW05.1-540-090 is rated IP20, which offers basic protection against solid objects larger than 12.5 mm. It is suitable for installation in dry, enclosed control cabinets.
