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49

References

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1

Variable speed drives

Altivar Process ATV900

Option: Braking resistors

References for a light braking cycle

(continued)

For drives Degree of protection of the resistor Ohmic value at 20 C/ 68 F Average power available at 50 C/ 122 F (1) Quantity required per drive Reference Weight & kW kg/ lb

Supply voltage: 500...690 V 50/ 60 Hz

ATV930U22Y6 IP20 100 0.1 1 VW3A7730 1.500/ 3.306 ATV930U30Y6 IP20 100 0.1 1 VW3A7730 1.500/ 3.306 ATV930U40Y6 IP20 100 0.1 1 VW3A7730 1.500/ 3.306 ATV930U55Y6 IP20 100 0.1 1 VW3A7730 1.500/ 3.306 ATV930U75Y6 IP20 60 0.16 1 VW3A7731 1.800/ 3.968 ATV930D11Y6 IP20 28 0.3 1 VW3A7732 2.700/ 5.952 ATV930D15Y6 IP20 28 0.3 1 VW3A7732 2.700/ 5.952 ATV930D18Y6 IP20 28 0.3 1 VW3A7732 2.700/ 5.952 ATV930D22Y6 IP20 16 0.96 1 VW3A7733 3.800/ 8.377 ATV930D30Y6 IP20 16 0.96 1 VW3A7733 3.800/ 8.377 ATV930D37Y6 IP20 10 0.96 1 VW3A7734 4.300/ 9.479 ATV930D45Y6 IP20 10 0.96 1 VW3A7734 4.300/ 9.479 ATV930D55Y6 IP20 10 0.96 1 VW3A7734 4.300/ 9.479 ATV930D75Y6 IP23 5 1.9 1 VW3A7736 18.000/ 39.683 ATV930D90Y6 IP23 5 1.9 1 VW3A7736 18.000/ 39.683 (1) Load factor for resistors: The value of the average power that can be dissipated at 50 C/ 122 F from the resistor into the casing is determined for a load factor during braking that corresponds to the majority of normal applications: - Normal duty: 0.8 s braking with a 1.2 Tn braking torque for a 40 s cycle - Heavy duty: 0.8 s braking with a 1.5 Tn braking torque for a 40 s cycle Presentation: page 8 Variable speed drives: page 18 Configuration and runtime tools: page 28 Combinations: page 32 Dimensions: page 76 VW3A7736

PF151251A

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