RZW03.1-200-006
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MPN: R911200873
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The RZW03.1-200-006 braking resistor offers a resistance of 1.8 Ω, a power rating of 2x22.5/2x180 kW, a switch-on duration of 6%, and a thermal time constant of 100 seconds. Part of the RZW Braking Resistors series by Bosch Rexroth Indramat, it features a galvanized steel housing and an IP23 protection class.
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Product Description:
The RZW03.1-200-006 Braking Resistor functions in automation and motion control operations because it shows mechanical durability along with other precise electrical features and stable thermal properties. This resistor is manufactured by a well-known company Bosch Rexroth Indramat with ability to control braking energy generated in drive systems with frequency converter power rating of 200 kW.
The RZW03.1-200-006 resistor features a maximum power capacity of 180 kW and can effectively cope with short bursts of power surges without losing performance. This resistor features a designated resistance of 1.8 Ω for safe energy control during brake operations. This breaking resistor also operates with a minimum power resistance level of 1.6 W for the support of high-power drives. The thermal time constant (TBW) for this resistor is specified at 100 seconds, representing its performance in handling heat dissipation over time. The dimensions of RZW03.1-200-006 measure 595 mm (L) × 490 mm (W) × 770 mm (H) and have a total weight of 61 kg for its simple implementation into various places. The 70 mm² cross-section of electrical connections enhances safe electrical joining and minimizes this resistor’s possibility of overheating at connection points.
The protection rating of IP 23 gives this braking resistor partial protection from dust entry and water spray from above, so it is suitable for use in closed enclosures. This braking resistor is so flexible in terms of temperature as it operates between 0 °C to 40 °C of ambient temperature while its storage capability extends from –25 °C to +70 °C. These temperature values ensure stable operations of this braking resistor in different climatic conditions, as long as it is installed in properly controlled environments. This resistor can function reliably despite high-humidity environments under non-condensing conditions with a maximum relative humidity value of 90%.
Frequently Asked Questions about RZW03.1-200-006:
Q: How does the 100 s thermal time constant benefit operation?
A: It enables the resistor to absorb energy over longer durations without rapid overheating. This is crucial during repeated braking cycles in industrial applications.
Q: Why is the 70 mm² cross-section important in RZW03.1-200-006?
A: It allows high-current flow with minimal resistance at the connection point. This prevents hotspots and ensures long-term performance under full load.
Q: What impact does the 1.8 Ω resistance have on braking response?
A: It optimizes the energy dissipation rate, ensuring the motor decelerates efficiently. This contributes to precise motion control in dynamic applications.
Q: Why is noncondensing humidity tolerance necessary in RZW03.1-200-006?
A: It prevents internal corrosion and short circuits caused by moisture. This feature ensures stability in humid indoor conditions.
Q: How does the peak power of 180 kW affect system design?
A: It allows the resistor to safely manage sudden braking energy surges. This reduces stress on the frequency converter and increases overall system durability.
