RZW02.1-045-060
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The RZW02.1-045-060 braking resistor offers a power rating of 45 kW, a resistance value of 6 Ohms, a protection class of IP 20, and a thermal time constant of 100 seconds. Part of the RZW Braking Resistors series by Bosch Rexroth Indramat, it features galvanized steel housing and weighs 37 kilograms.
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Product Description:
The Bosch Rexroth RZW02.1-045-060 is a high-performance braking resistor built for fast energy dissipation and minimal thermal drift. This resistor is suited for automation environments with high cycling demands. Its robust construction reliably endures frequent start-stop activity without performance loss. It is engineered with low thermal drift that ensures its resistance value remains stable even under varying heat loads. This contributes to consistent braking accuracy over time. This consistency is critical in systems where precise motion control and repeatable stopping behavior are required such as high-speed indexing tables and packaging machinery.
The RZW02.1-045-060 can dissipate a maximum continuous power of 45 kW, ensuring that it has ample capacity to handle substantial amounts of regenerative energy released during deceleration. With this power rating, the resistor can efficiently dissipate heat without overheating or requiring frequent cooling breaks. The resistor applies an electrical resistance of 6 Ohms to the regenerative current produced during motor braking. This ensures that the braking current is effectively limited, enabling controlled braking even in high-load scenarios. The resistor takes up to 100 seconds to reach approximately 63% of its maximum temperature rise after a change in power input. This relatively long time constant allows the resistor to absorb and dissipate energy gradually, enhancing thermal stability.
The RZW02.1-045-060 braking resistor features a connection cross-section of 16 mm², allowing for the secure attachment of appropriately sized conductors capable of handling high current loads. This ample cross-sectional area supports efficient current flow with minimal resistance or heat buildup at the connection points, reducing the risk of overheating during peak operation. For optimal functionality, this braking resistor requires unimpeded airflow with filtered air to maintain safe operating temperatures and prevent thermal overload.
Frequently Asked Questions about RZW02.1-045-060:
Q: What power rating does the RZW02.1-045-060 braking resistor come with?
A: The RZW02.1-045-060 braking resistor comes with a 45 kW power rating, which allows it to handle substantial braking loads in automation systems.
Q: What is the resistance value of the RZW02.1-045-060 braking resistor?
A: The RZW02.1-045-060 braking resistor features a resistance value of 6 Ω. This resistance level helps control current during braking, enabling safe and efficient energy dissipation.
Q: What is the thermal time constant of the RZW02.1-045-060 braking resistor?
A: The RZW02.1-045-060 has a thermal time constant of 100 seconds, meaning it can absorb heat steadily before reaching its thermal limit.
Q: What is the operating factor (switch-on duty) of the RZW02.1-045-060 braking resistor?
A: The RZW02.1-045-060 supports a 60% switch-on duty, allowing it to remain active for over half of each cycle. This is ideal for applications with frequent start-stop operations.
Q: What is the cross-section of the connection for the RZW02.1-045-060 braking resistor?
A: The RZW02.1-045-060 is designed with a 16 mm² connection cross-section, which supports secure wiring and minimizes power loss.
