Bussmann 170M7086 Class aR Semiconductor Fuse, 3500A 690VThe Bussmann 170M7086 is a Class aR high-speed fuse for accompanied semiconductor protection in demanding industrial power circuits. Rated 3500A at 690V, this IEC-rated fuse-link delivers a 200 kAIC interrupt rating for reliable short-circuit protection in three-phase AC systems. Designed for flush mounting and CE marked for compliance, it protects thyristors, diodes, and power modules from damaging overcurrent conditions.Key FeaturesAmperage & Voltage: Rated 3500A at 690V AC.Class aR Utilization Category: aR-rated for accompanied semiconductor protection.Interrupt Rating: 200 kAIC for dependable fault clearing.It Characteristics: Pre-arc It of 4,700,000 and clearing It of 28,000,000 at 500V.Mounting Method: Flush mounting into standard fuse bases.Temperature Rating: Rated for operation above >60C.Watt Losses: 355W power loss rating.Compact Dimensions: 105 mm H x 120 mm W x 67 mm D, 2343 g.Certifications & ComplianceIEC RatedCE MarkedTechnical SpecificationsAmperage Rating: 4000 AApplication: semiconductor protectionCertifications: IEC RatedClass: Class aRClearing I2t: 28000000 at 500 VCompliances: CE MarkedFuse Indicator: OtherInsulated Metal Gripping Lugs (IMGL): NoInterrupt Rating: 200 kAICMounting Method: FlushPackaging Type: StandardPre Arc I2t: 4700000Product Height: 105 mmProduct Length Depth: 67 mmProduct Weight: 2343 gProduct Width: 120 mmTemperature Rating: >60CUtilization Category: aR (accompanied semiconductor protection)Voltage Rating: 600 VVoltage Type: ACWatt Losses: 355 WTypical ApplicationsSemiconductor Protection for Thyristors and Power DiodesIndustrial Power Conversion and Drive SystemsHigh-Speed Fault Protection in Three-Phase AC CircuitsMotor Control and Rectifier Circuit ProtectionCommercial and Industrial Electrical SwitchgearWhy Bussmann?Bussmann fuses are engineered to exacting IEC standards, and the 170M7086 is CE marked with a 200 kAIC interrupt rating for dependable performance in semiconductor protection applications. Precise pre-arc and clearing It characteristics support accurate coordination, making this Class aR fuse-link a reliable choice for industrial power systems requiring code-compliant overcurrent protection.