RZW02.1-004-025

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The RZW02.1-004-025 resistor is a Bosch Rexroth product designed for dynamic braking of servo and induction motors. Featuring a 25?? resistance and 400?W continuous rating, it uses convection cooling and offers integrated compatibility with Rexroth drive controllers. Moreover, it offers Gigabit Ethernet ports.

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Product Description:

Bosch Rexroth Indramat RZW02.1-004-025 is a part of the RZW series of braking resistors. It operates on a 24 VDC power supply. This compact unit has Gigabit Ethernet communication ports, allowing easy integration into modern industrial networks. It is built to withstand tough environments, while functioning effectively in a wide temperature range from -25 degrees C to 60 degrees C. Its compact design, with dimensions of 12 x 123 x 75.5 mm and a weight of just 200 grams, makes it suitable for space-constrained control cabinets.

RZW braking resistors play a critical role in managing the excess energy that is generated when electric motors decelerate or stop. During this braking process, the motor acts like a generator, producing electrical energy that must be safely dissipated to avoid damaging the system. The RZW resistor absorbs this energy and converts it into heat, preventing it from feeding back into the drive or power supply unit. This process protects the motor, inverter, and other components from overload and contributes to the system's safety and stability.

The working principle of RZW braking resistors is based on resistive dissipation. When a motor decelerates, kinetic energy is converted into electrical energy, which is then directed to the braking resistor. The resistor's high resistance causes the energy to be released as heat. This helps the drive system slow down quickly and safely. Due to the features like Gigabit Ethernet ports in the RZW02.1-004-025, modern braking resistors also support advanced monitoring and communication, ensuring better control and integration. Overall, RZW braking resistors are essential components in motion control systems, offering both high protection and performance.

Application
Dynamic braking of servo or induction motors
Communication Ports
Gigabit Ethernet
Compatibility
Designed for use with Rexroth drive controllers
Connection Type
Terminal block or cable depending on version
Construction
Robust, resistive wire wound in metal housing
Continuous Power Rating
400 Watts
Cooling Method
Natural convection
Dimensions
12 x 123 x 75.5 mm
Insulation Resistance
>100 M? at 500 V DC
Operating Temperature Range
-25 to 60 degrees C
Peak Power Rating
Up to 10x nominal for short duty cycles
Power Supply
24 VDC
Protection Class
IP20
Resistance Value
25 Ohms
Weight
200 g

Frequently Asked Questions about RZW02.1-004-025:

Q: What is the power supply for the RZW02.1-004-025 braking resistor?

A: The power supply for the RZW02.1-004-025 braking resistor is 24 VDC.

Q: What is the communication port for the RZW02.1-004-025 resistor?

A: The communication port for the RZW02.1-004-025 resistor is Gigabit Ethernet.

Q: What is the continuous power rating for the RZW02.1-004-025 resistor?

A: The continuous power rating of the RZW02.1-004-025 resistor is 400 watts.

Q: What cooling method is used for the RZW02.1-004-025 resistor?

A: The cooling method for the RZW02.1-004-025 resistor is natural convection.

Q: What is the protection class of the RZW02.1-004-025 resistor?

A: The protection class of the RZW02.1-004-025 resistor is IP20.


Internal Product Review

  • ‘‘Engineered for high efficiency, the RZW02.1-004-025 provides an efficient solution for dynamic braking in motor systems. Its robust design and simple cooling mechanism make it a dependable choice for continuous use in automated environments.’’

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