RZW02.1-037-015
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MPN: R911200775
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The RZW02.1-037-015 braking resistor features a power class of 37 kW, a resistance value of 7.4 Ω at a 15% operating factor, IP23 protection class, and weighs 15 kilograms. Part of the RZW Braking Resistors series by Bosch Rexroth Indramat, it utilizes galvanized steel housing for durability.
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Product Description:
The RZW02.1-037-015 Braking Resistor is a product designed and manufactured by Bosch Rexroth Indramat. It is developed for integration with electric drive systems to manage regenerative energy during motor deceleration. The resistor is compatible with 37 kW frequency converters and delivers precise safe braking performance in demanding applications.
The RZW02.1-037-015 braking resistor has a minimum connectable resistance of 7 ohms that allows flexible connection configurations. Its peak power rating is 33 kW which means it can handle high load spikes efficiently. The resistor operates with a 15 % short duty (SD) operating factor. This makes it suitable for applications with intermittent braking cycles. It features a thermal time constant of 100 milliseconds that enables quick response to temperature changes during operation. The resistor can endure power surges up to four times its continuous power rating during its ON period which supports momentary overload conditions. The resistor is built for compact panel integration and can be mounted easily within control cabinets. The design reduces the risk of overheating by ensuring heat is dissipated efficiently. The total weight of the braking resistor is 9.5 kg. It is designed for horizontal or vertical mounting configurations depending on installation requirements. The housing is durable and supports continuous operation in a range of environmental conditions including factory floors and automated systems.
The RZW02.1-037-015 braking resistor offers stable and repeatable thermal performance during each braking cycle. The RZW series braking resistor can be protected from overload conditions by utilizing the integrated monitoring functionality within the RD 500 firmware. This feature continuously tracks parameters such as resistor temperature, power dissipation and duty cycle. If predefined thresholds are exceeded, the system initiates protective actions including derating or disabling the braking function to prevent thermal damage.
Frequently Asked Questions about RZW02.1-037-015:
Q: Does the RZW02.1-037-015 braking resistor manage high peak loads during motor deceleration?
A: Yes, the RZW02.1-037-015 braking resistor handles peak loads up to 33 kW during deceleration. It supports regenerative energy control with 37 kW frequency converters in demanding drive systems.
Q: Can the RZW02.1-037-015 resistor handle sudden overload conditions without failure?
A: The RZW02.1-037-015 model endures power surges up to four times its rated load during ON periods. It performs reliably under temporary overloads in high-stress braking applications.
Q: Will the RZW02.1-037-015 braking resistor maintain consistent thermal performance in repeated cycles?
A: Yes, the RZW02.1-037-015 unit provides stable thermal behavior during every braking cycle. Its 100 ms thermal time constant ensures rapid adjustment to temperature changes.
Q: How does the RZW02.1-037-015 support flexible system configurations?
A: The RZW02.1-037-015 braking resistor features a 7 ohm minimum connectable resistance for varied wiring setups. It supports multiple integration options in complex drive environments.
Q: Is the RZW02.1-037-015 resistor protected from overheating in automated systems?
A: Yes, the RZW02.1-037-015 integrates with RD 500 firmware for continuous monitoring. It tracks thermal values and initiates protection if limits are crossed during operation.
