RZW01.1-011-NNN
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MPN: R911200017
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The RZW01.1-011-NNN is a fixed resistor braking device featuring a steel screen design and a galvanized steel plate housing. Manufactured by Bosch Rexroth Indramat, it belongs to the RZW Braking Resistors series and adheres to an IP23 protection class. It supports switch-on durations for 6% to 60% SD.
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Product Description:
Bosch Rexroth made the RZW01.1-011-NNN, which is a Braking resistor for motion control systems. It is part of the RZW01.1 series and can be identified by its 011 power class and size class B. The brake resistor is designed for systems that need to control the amount of energy lost when slowing down.
The resistance of the RZW01.1-011-NNN braking resistor is 20 ohms, and it can handle a minimum power loss of 0.18 kilowatts. The resistor can handle a maximum of 32 kilowatts for 1 second. It regulates the rate at which heat is dissipated by having a thermal time constant of 185 seconds. The enclosure is completely enclosed, thus environmental influences affect it. The body is made of a metal combination and is surrounded by an aluminum shell that is reinforced with ceramic insulation. The temperature range for the stopping resistor is 0 to 40 degrees Celsius, and the temperature range for storage is -25 to 70 degrees Celsius. When there is no moisture, relative humidity can exceed 90%. There are 2.5 mm² of lines in the stopping resistor, and it weighs 2.3 kg.
Two terminals on the RZW01.1-011-NNN braking resistor need to be linked to the converter for an electrical connection to be established. The C-terminal of the converter is linked to X1.C, and the F-terminal to X1.F. This design requires a copper ground wire with a minimum cross-sectional area of 10 mm². The temperature of the resistor might rise to 80 degrees Celsius when the resistor is activated. In devices that decelerate substantially, the resistor is used to control the amount of energy used for braking. The enclosed design guarantees reliable performance in all temperature cycles.
Frequently Asked Questions about RZW01.1-011-NNN:
Q: How does RZW01.1-011-NNN handle high peak power?
A: It supports 32 kW peak for 1 second. The housing and thermal design prevent damage during short bursts of braking energy.
Q: Why does RZW01.1-011-NNN weigh 2.3 kilograms?
A: The unit includes metal alloy, ceramic, and aluminum housing. These components add weight but ensure structural and thermal reliability.
Q: Does RZW01.1-011-NNN need a 10 mm² ground?
A: Yes, it requires a copper ground conductor of at least 10 mm² to ensure electrical safety and proper grounding performance.
Q: How do terminals connect in RZW01.1-011-NNN?
A: Terminal C connects to X1.C and F to X1.F on the converter. This ensures safe current routing and braking control.
Q: Do RZW01.1-011-NNN terminals meet IP10 rating?
A: Yes, the terminal block meets IP10 rating. It provides protection against solid foreign objects greater than 50 mm in diameter.
