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Bussmann 170M1851 200A 1000V DC 170M IGBT high-speed square-body fuse
Eaton Bussmann

Bussmann 170M1851 200A 1000V DC 170M IGBT high-speed square-body fuse

Part Number: 170M1851

● LT: 4-6w

Eaton Bussmann 170M1851, 200A, 1000V DC, Class aR; interrupting rating 50kA DC @ 1000V.

Rated Current200A
Rated Voltage1000V DC
Breaking Capacity50kA DC @ 1000V
PackageSquare Body Size 000
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Eaton Bussmann 170M1851 is a 170M Class aR IGBT high-speed square-body fuse rated 200A at 1000V DC. Interrupting rating: 50kA DC @ 1000V. Typical application: IGBT protection|DC drives|Power converters|Energy storage. Standard(s): IEC 60269-4|UL 248-1.

Quick answer, specifications & FAQ
Direct answer

Eaton Bussmann High-Speed Square Body Fuse 170M1851 is rated 200A, 1000V DC, High Speed, Square Body Size 000. Breaking capacity 50kA DC @ 1000V, I²t 42,000 A²s, operating temperature -40°C to +125°C, certifications UL Recognized|IEC 60269-4|CE. Listed applications: Energy Storage, Motor Drives, Power conversion. Standards: IEC 60269-4, UL 248-1. Eaton Bussmann 170M1851, 200A, 1000V DC, Class aR; interrupting rating 50kA DC @ 1000V.

Last updated 23 days ago

Key specifications

  • Part number: 170M1851
  • Brand: Eaton Bussmann
  • Rated current: 200A
  • Rated voltage: 1000V DC
  • Breaking capacity: 50kA DC @ 1000V
  • Fuse speed: High Speed
  • Package size: Square Body Size 000
  • Dimensions: Size 000 (per datasheet)
  • Terminal type: Bolted tag (FU/90: USR standard; FN/90: Metric)
  • Operating temperature: -40°C to +125°C
  • Certifications: UL Recognized|IEC 60269-4|CE
  • Standards: IEC 60269-4, UL 248-1

Frequently asked questions

What are the current and voltage ratings of 170M1851?

170M1851 is rated 200A at 1000V DC.

What is the breaking capacity of 170M1851?

170M1851 has a breaking capacity of 50kA DC @ 1000V. Confirm this covers the available fault current at the installation point.

What package size does 170M1851 use?

170M1851 uses Square Body Size 000 package size.

Which standards and approvals apply to 170M1851?

170M1851 is listed under IEC 60269-4, UL 248-1 / UL Recognized|IEC 60269-4|CE.

What is 170M1851 used for?

170M1851 is listed for Energy Storage, Motor Drives, Power conversion applications. Verify suitability for your circuit before ordering.

What are the ordering terms for 170M1851?

170M1851: typical lead time 4–6 weeks, minimum order 10 pcs. Submit a quote request for a firm quotation.

Data sources

Part number
170M1851
Brand
Eaton Bussmann
Last updated
2026-10-10
Canonical URL
https://fusestock.com/products/eaton-bussmann-170m1851/

Technical Specifications

Part Number
170M1851
Manufacturer Part Number
170M1851
Series
170M Series (1000V)
Fuse Type
High-Speed Square Body Fuse
Current Rating
200A
Voltage Rating
1000V DC
AC / DC
DC
Breaking Capacity
50kA DC @ 1000V
I²t
42,000 A²s
Pre-arcing I²t
8,500 A²s
Total I²t
42000
Operating Temperature
-40°C to +125°C
Package / Dimensions
Square Body Size 000
Mounting
Bolt Mount
Application
Energy Storage · Motor Drives · Power conversion
Standard
IEC 60269-4 · UL 248-1
Terminal Type
Bolted tag (FU/90: USR standard; FN/90: Metric)
Fuse Speed
High Speed
Utilization Class
aR
Approvals
CE · UL Recognized
Certifications
UL Recognized|IEC 60269-4|CE
Reference Lead Time
4–6 weeks
Minimum Order
10 pcs
Sample Status
Contact for Availability
Clearing I²t @ 1000V
42,000 A²s
Watt Loss @ In
43W
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