Main product or component typeResistance braking unit ATV61Resistance braking unit ATV71Resistance braking unit ATV930 range compatibilityAltivar 61QAltivar 71QAltivar 71Altivar 61Altivar Process ATV900 maximum braking power420 kW product compatibilityATV61HC25N4ATV61HC31N4ATV61QC20N4ATV61QC25N4ATV61QC31N4ATV71HC20N4ATV71HC25N4ATV71HC28N4ATV71QC16N4ATV71QC20N4ATV71QC25N4Variable speed drive ATV930 without braking chopper 250 kW 380...480 VVariable speed drive ATV930 without braking chopper 315 kW 380...480 V thermal losses550 W activation threshold785 V DC +/- 1 % permanent braking power200 kW at 400 V (at constant power and at engage threshold) protection typeIntegrated thermal protection by thermal probe minimum resistor value to associate1.05 Ohm Complementary electrical connectionCable between drive and braking unitCable, connection capacity: 2 x 95 mm² between braking unit and braking resistors maximum DC bus voltage850 V load factor0.05 for 420 kW at constant power and at engage threshold0.15 for 320 kW at constant power and at engage threshold0.5 for 250 kW at constant power and at engage threshold maximum cycle time240 ms volume of cooling air100 m3/h operating positionVertical net weight30 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 characteristicBiological pollution resistance class 3B1 conforming to IEC 60721-3-3Chemical pollution resistance class 3C3 conforming to IEC 60721-3-3Dust pollution resistance class 3S3 conforming to IEC 60721-3-3Humidity resistant class 3K3 conforming to IEC 60721-3-3 operating altitude2000 m vibration resistance0.2 gn 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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