RZW01.1-075-NNN
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Bosch Rexroth Indramat's RZW01.1-075-NNN braking resistor supports up to 75?kW of power dissipation with 3.75?? minimum connectable resistance. Engineered for panel or wall mounting, it features IP20/IP23 protection and passive convection cooling. It is optimized for compatibility with IndraDrive HCS units.
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Product Description:
The RZW01.1-075-NNN braking resistor is engineered for use in industrial systems. It is manufactured by Bosch Rexroth Indramat. This braking resistor can handle the residual energy, which is generated when electric motors slow down and therefore ensure it is safely converted to heat to protect the systems. It offers 100 seconds of thermal time constant, so this resistor may cool down and dissipate heat slowly without any effect on the performance.
One of the key features of this braking resistor is that it can work with a minimum connectable resistance of 3.75 ohms. This feature specifies the minimum resistance that ensures the system does not overheat or fail easily during operation. Braking systems that are not highly resistant have the risk of consuming too much current and heating themselves to a level beyond safe limits. Choosing 3.75 ohms resistance ensures that the system can safely energies and effectively manage energy without the resistor overheating, thus increasing the resistor's life span. This also ensures that the braking resistor is compatible with the different systems' voltage and power requirements.
The switch-on duration, which is set to 6% SD (Switching Duty), is also important. This setup limits how long the resistor can remain energized during a single duty cycle. For example, if the total cycle duration is 100 seconds, then the resistor can be engaged for merely 6 seconds. The switch-on duration limits heat accumulation and maintains the safe thermal operation of the resistor. It is particularly critical for those systems with frequent start-stop cycles, where braking is frequent. The upholding of the 6% SD rating makes the system reliable without causing thermal stress on the resistor.
Frequently Asked Questions about RZW01.1-075-NNN:
Q: What is the power class of the RZW01.1-075-NNN braking resistor?
A: The power class of the RZW01.1-075-NNN braking resistor is 75 kW.
Q: What is the thermal time constant for the RZW01.1-075-NNN?
A: The thermal time constant for the RZW01.1-075-NNN is 100 seconds.
Q: What is the continuous power rating for the RZW01.1-075-NNN?
A: The continuous power rating for the RZW01.1-075-NNN is approximately 5 kW, depending on cooling and ambient conditions.
Q: What is the maximum energy dissipation per braking cycle for the RZW01.1-075-NNN?
A: The maximum energy dissipation per braking cycle for the RZW01.1-075-NNN is 100-200 kJ.
Q: What compliance standards does the RZW01.1-075-NNN resistor follow?
A: The RZW01.1-075-NNN resistor is CE marked and follows EN and IEC electrical safety standards.
