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170M4243

Fuse

Eaton Bussmann | Square Body Fuses | Fuse

400 AAmperage
1250 V (IEC), 1300 V (UL)Voltage
Class aRClass
100 kABreaking Capacity
aR (accompanied semiconductor protection)Utilization

Additional Technical Details

View Full Specifications
Product Length/Depth282 mm
Product Height67 mm
Product Width178 mm
Product Weight667 g
Product Diameter138 mm
Construction Size1

Standards & Approvals

  • Eaton Quality Assurance
  • RoHS Compliant
  • UL Recognized

Typical Applications

Semiconductor Protection, DC Common Bus, AC/DC Drives and more.

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Product Description

Eaton Bussmann series high speed square body fuse, designed and manufactured by Eaton Bussmann, rated for 400 A at 1250 V (IEC), 1300 V (UL).

Key performance features include Class aR, 100 kA breaking capacity, centre fuse status indicator, 75 W watt losses, I²t 175000 at 1000 V, 235000 at 1250 V / pre-arc I²t 29500.

Typical applications include Semiconductor Protection, DC Common Bus, AC/DC Drives and more.

Technical Specifications

General Information
Product NameEaton Bussmann series high speed square body fuse
Catalog Number (MPN)170M4243
UPC / EAN51712258234
Product TypeFuse
Voltage TypeAC
PackagingStandard
Electrical Characteristics
Rated Current400 A
Rated Voltage1250 V (IEC), 1300 V (UL)
Breaking Capacity100 kA
Interrupt Rating100 kAIC
Utilization CategoryaR (accompanied semiconductor protection)
ClassClass aR
IndicatorCentre fuse status indicator
Mechanical & Physical
Length / Depth282 mm
Height67 mm
Width178 mm
Diameter138 mm
Weight667 g
Construction Size1
Shape / Form FactorSquare body, slotted center bolted tags
Clearing I²t175000 at 1000 V, 235000 at 1250 V
Pre-Arc I²t29500
Watt Losses75 W
Compliance & Approvals
CompliancesRoHS Compliant
Certifications / Agency ApprovalsUL Recognized

Note: Specifications are taken from the official Eaton 170M4243 datasheet.

Documents & Downloads

Official technical documentation for the 170M4243.

Typical Applications

Typical applications of the 170M4243.

Semiconductor Protection
DC Common Bus
AC/DC Drives
Power Converters & Rectifiers
Variable Speed Drives
12-Hour RFQ ResponseTimely quotation assistance
Documentation SupportDatasheets & traceability records
Worldwide DeliveryInternational logistics coordination
Order Follow-UpUpdates on lead times & shipment