Main range of productINF200...800 rangeFupact product nameFupact INF device short nameINFB400 product or component typeSwitch-disconnector-fuse device applicationProtection poles description3P protected poles description3f fuse typeBS fuse sizeB4B2B1B3 network typeDCAC network frequency50/60 Hz Complementary control typeOperating shaft (without handle) rotary handle mounting locationFront mounting modeFixed mounting supportMounting plate [Ie] rated operational currentAC-22A: 400 A AC 50/60 Hz 220/240 VAC-22A: 400 A AC 50/60 Hz 380/415 VAC-22A: 400 A AC 50/60 Hz 440/480 VAC-22A: 400 A AC 50/60 Hz 500/525 VAC-22A: 400 A AC 50/60 Hz 660/690 VAC-23A: 400 A AC 50/60 Hz 220/240 VAC-23A: 400 A AC 50/60 Hz 380/415 VAC-23A: 400 A AC 50/60 Hz 440/480 VAC-23A: 400 A AC 50/60 Hz 500/525 VAC-23A: 400 A AC 50/60 Hz 660/690 VDC-22A: 400 A DC 125 V 2 poles in seriesDC-23A: 400 A DC 125 V 2 poles in seriesAC-22A: 400 A AC 50/60 Hz 480 V conforming to NEMAAC-23A: 400 A AC 50/60 Hz 480 V conforming to NEMADC-22A: 400 A DC 250 V 3 poles in seriesDC-23A: 400 A DC 250 V 3 poles in series [Ith] conventional free air thermal current400 A ( 40 °C ) power dissipation per fuse: 45 W vertical283 A ( 70 °C ) horizontal283 A ( 70 °C ) vertical302 A ( 65 °C ) horizontal302 A ( 65 °C ) vertical321 A ( 60 °C ) horizontal321 A ( 60 °C ) vertical338 A ( 55 °C ) horizontal338 A ( 55 °C ) vertical355 A ( 50 °C ) horizontal355 A ( 50 °C ) vertical370 A ( 45 °C ) horizontal370 A ( 45 °C ) vertical385 A ( 40 °C ) horizontal400 A ( 35 °C ) horizontal [Ithe] conventional enclosed thermal current360 A at 40 °C, Power dissipation per fuse: 37 W (610 mm x 508 mm x 254 mm)400 A at 40 °C, Power dissipation per fuse: 30 W (610 mm x 508 mm x 254 mm) maximum powerAC-23: 132 kW at 220/240 V AC 50/60 HzAC-23: 220 kW at 380/400 V AC 50/60 HzAC-23: 230 kW at 415 V AC 50/60 HzAC-23: 280 kW at 500/525 V AC 50/60 HzAC-23: 400 kW at 660/690 V AC 50/60 Hz rated dutyUninterrupted [Ui] rated insulation voltage1000 V AC 50/60 Hz1000 V DC [Uimp] rated impulse withstand voltage12 kV [Ue] rated operational voltage690 V AC 50/60 Hz1000 V AC 50/60 Hz AC-201000 V DC DC-20750 V DC [Im] rated making and breaking capacityIcm 220 kA at 500 V conforming to DIN (with fuse)Icn 100 kA at 500 V conforming to DIN (with fuse)Icm 176 kA at 415 V conforming to DIN (with fuse)Icm 176 kA at 690 V conforming to DIN (with fuse)Icn 80 kA at 415 V conforming to DIN (with fuse)Icn 80 kA at 690 V conforming to DIN (with fuse)Icm 48 kA at 690 V (without fuse)Icm 59 kA at 415 V (without fuse)Icm 63.5 kA at 500 V (without fuse) suitability for isolationYes conforming to IEC 60947-1 contact position indicatorYes contact operationDouble-break Environment mechanical durability8000 cycles electrical durabilityAC-22A: 1000 cycles 500 V AC 50/60 HzAC-22A: 1000 cycles 690 V AC 50/60 HzAC-23A: 1000 cycles 500 V AC 50/60 HzAC-23A: 1000 cycles 690 V AC 50/60 Hz [Icw] rated short-time withstand current14 kA for 1 s2.55 kA for 30 s3.13 kA for 20 s8.08 kA for 3 s designHorizontal design connections terminalsScrew connection connections - terminalsScrew connection M10 400 A tightening torque30...44 N.m for terminal20 N.m for BS fuse height230 mm width254 mm depth176 mm standardsEN/IEC 60947-1EN/IEC 60947-3 IP degree of protectionIP20 fuse compartment: pollution degree3 Offer Sustainability Sustainable offer statusGreen Premium product REACh Regulation REACh free of SVHCYes EU RoHS DirectivePro-active compliance (Product out of EU RoHS legal scope)
EU RoHS Declaration
Toxic heavy metal freeYes Mercury freeYes RoHS exemption information China RoHS RegulationChina RoHS declaration
Pro-active China RoHS declaration (out of China RoHS legal scope)
Environmental Disclosure Circularity ProfileNo need of specific recycling operations WEEEThe product must be disposed on European Union markets following specific waste collection and never end up in rubbish bins Contractual warranty Warranty18 months
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