RZW02.1-045-025
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The RZW02.1-045-025 braking resistor features a resistance of 7.3 Ω, a power rating of 45 kW, a thermal time constant of 150 seconds, and is constructed with a galvanized steel plate housing. Part of the RZW Braking Resistors series by Bosch Rexroth Indramat, it offers IP23 protection for reliable performance.
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Product Description:
The RZW02.1-045-025 is a Rexroth Indramat braking resistor with advanced thermal management for peak efficiency. It features optimized heat dissipation and a durable, flame-retardant steel enclosure. This ensures that energy is absorbed efficiently during regenerative braking to keep drive components protected from excess heat. The braking resistor supports system stability even under demanding cyclic loads and is well suited for high-performance systems that require repeated acceleration and deceleration. It comes in a fixed design that delivers predictable resistance performance, making it ideal for precision braking tasks. Its steel screen housing enhances structural integrity, ensuring protection against external impact, debris and environmental stress.
The resistor’s 45 kW rating provides the capacity needed for operations with frequent or high-intensity braking cycles. The resistor can handle the excess kinetic energy that results from rapid deceleration during braking. This helps to prevent overvoltage conditions that can interfere with safety and system efficiency during operation. The resistor operates at a 25% operating factor, meaning that it is designed to be energized for 25% of a given duty cycle. This enables it to manage intermittent braking operations efficiently while still providing reliable energy dissipation during peak load events.
The RZW02.1-045-025 braking resistor is rated for 7.3 Ω resistance level that is carefully selected to control the deceleration process by converting kinetic energy into heat at a predictable rate. With this resistance, the resistor delivers effective dissipation of energy without overstressing the drive. This allows for smooth braking performance by balancing resistance and thermal capacity to ensure consistent operational reliability. This braking resistor is designed with a 25 mm² conductor cross-section. This enhances its current-carrying capacity and thermal performance, minimizing power loss and heat buildup.
Frequently Asked Questions about RZW02.1-045-025:
Q: What is the rated power of the RZW02.1-045-025 braking resistor?
A: The RZW02.1-045-025 braking resistor has a rated power of 45 kW, allowing it to handle high-energy dissipation tasks effectively in dynamic braking systems.
Q: What operating factor does the RZW02.1-045-025 braking resistor support?
A: The RZW02.1-045-025 braking resistor supports a 25% operating factor, which means it is designed to be active for 25% of a duty cycle, helping reduce thermal load and extend lifespan.
Q: What is the resistance value of the RZW02.1-045-025 braking resistor?
A: The RZW02.1-045-025 braking resistor features a resistance of 7.3 Ohms, which enables controlled deceleration by efficiently converting electrical energy into heat.
Q: What cross-section size does the RZW02.1-045-025 braking resistor offer?
A: The RZW02.1-045-025 braking resistor has a 25 mm² connection cross-section, supporting secure electrical connections and accommodating high current loads safely.
Q: What is the housing design of the RZW02.1-045-025 braking resistor?
A: The RZW02.1-045-025 features a steel screen housing design that adds mechanical durability and aids in heat dissipation, ensuring the unit can withstand harsh environments.
