Main product or component typeResistance braking unit ATV61Resistance braking unit ATV71 range compatibilityAltivar 71Altivar 71QAltivar 61QAltivar 61 maximum braking power900 kW product compatibilityATV61HC50YATV61HC63YATV61HC80YATV61QC50YATV61QC63YATV61QC80YATV71HC40YATV71HC50YATV71HC63YATV71QC40YATV71QC50YATV71QC63Y thermal losses1150 W activation threshold1075 V DC +/- 1 % permanent braking power400 kW at 690 V (at constant power and at engage threshold) protection typeIntegrated thermal protection by thermal probe minimum resistor value to associate1 Ohm Complementary electrical connectionCable, connection capacity: 2 x 150 mm² <1 m between drive and braking unitCable, connection capacity: 2 x 150 mm² <50 m between braking unit and braking resistors maximum DC bus voltage1100 V load factor0.05 for 900 kW at constant power and at engage threshold0.15 for 600 kW at constant power and at engage threshold0.5 for 500 kW at constant power and at engage threshold maximum cycle time140000 ms volume of cooling air600 m3/h operating positionVertical net weight80 kg Environment ambient air temperature for operation-10…50 °C ambient air temperature for storage-25…70 °C IP degree of protectionIP20 pollution degree2 conforming to EN 50178 environmental characteristicHumidity resistant class 3K3 conforming to IEC 60721-3-3 operating altitude<= 1000 m without derating1000...2260 m 1 % per 100 m vibration resistance0.2 gn Packing Units Package 1 Weight100.000 kg Package 1 Height5.200 dm Package 1 width4.000 dm Package 1 Length1.310 dm Offer Sustainability EU RoHS DirectivePro-active compliance (Product out of EU RoHS legal scope)
EU RoHS Declaration
Mercury freeYes RoHS exemption information China RoHS Regulation Contractual warranty Warranty18 months
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