RZW03.1-015-015
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The Bosch Rexroth Indramat RZW03.1-015-015 braking resistor, part of the RZW Braking Resistors series, is designed with a power rating of 15 kW. It features 18 Ω of resistance, a maximum switch-on duration of 28 seconds at 40% SD, and an operating factor of 15% SD for optimal performance.
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Product Description:
The RZW03.1-015-015 is a braking resistor built by Bosch Rexroth Indramat specifically for drive controllers belonging to the RD 500 product series. This resistor plays an important protective role in the servo system by helping the controller to efficiently handle excess electrical energy it receives from motor units during braking or deceleration. The resistor has a power rating of 15 kilowatts and maintains an operating factor of 15 per cent throughout its operation. The resistor consists of a heavy-duty metal with high mechanical strength and is lightweight; the actual resistive element is integrated inside an insulating ceramic material with excellent thermal conductivity in an aluminum housing. The compact housing design of this unit makes its integration with the controller easy to operate, and it also provides high operation reliability.
The resistive elements in the RZW03.1-015-015 braking resistor are not flammable; it is, however, closely monitored by the converter, which displays an appropriate “BR overload” error to alert operators of any risk of overload damage. The actual resistance value of this unit is about 17.5 ohms, and it can also support a peak power value of 37 kilowatts for a duration of 1 second. During operation, the RZW03.1-015-015 maintains a thermal time constant of 185 seconds. The line cross-section recommended for this unit is 2.5 millimeters, while its total weight is about 2.3 kilograms.
During operation, the surface temperature of the RZW03.1-015-015 can significantly increase; personnel are advised to ensure that the unit is installed in a position that significantly reduces this risk. Cooling of this unit during operation is mainly through surface air cooling, and operators should ensure the unit is installed directly above the converter, where it can be easily cooled by the air current.
Frequently Asked Questions about RZW03.1-015-015:
Q: What type of application is this resistor designed for?
A: The RZW03.1-015-015 resistor is designed for dynamic braking in applications that require large inertial masses.
Q: What type of controller is this unit used with?
A: The RZW03.1-015-015 is compactible with controllers that belong to the RD 500 series.
Q: What is the protection category of this resistor unit?
A: The RZW03.1-015-015 is classified under the IP23 protection class.
Q: How can the RZW03.1-015-015 be identified upon delivery?
A: The RZW03.1-015-015 comes with a type label containing important identification information about the product.
Q: What is the recommended storage temperature for this resistor?
A: The RZW03.1-015-015 is intended to be stored in clean dry spaces. Storage temperature may be between -25 to 70 degrees Celsius.
