◎ Global Shippingϟ Fast RFQ Response◇ Multi-Brand Supply
Browse ProductsChoose a product family, then narrow by ratings and standards.
All Categories →All Products →

Low Voltage Fuses

Medium Voltage Fuses

High Voltage Fuses

Semiconductor Fuses

Automotive & EV Fuses

Electronic & PCB Fuses

Solar & Battery Fuses

Railway, Marine & Industrial Fuses

Fuse Accessories

EnglishEN-USEspañolESРусскийRU
Request a Quote
Bussmann 170M5018 1250A 550V AC 170M high-speed square-body fuse
Eaton Bussmann

Bussmann 170M5018 1250A 550V AC 170M high-speed square-body fuse

Part Number: 170M5018

● LT: 4-6w

Eaton Bussmann 170M5018, 1250A, 550V AC, Class aR; interrupting rating 200kA RMS Sym..

Rated Current1250A
Rated Voltage550V AC
Breaking Capacity200kA RMS Sym.
PackageDIN 43 653 Size 2
Tags
Share

Eaton Bussmann 170M5018 is a 170M Class aR high-speed square-body fuse rated 1250A at 550V AC. Interrupting rating: 200kA RMS Sym.. Typical application: DC common bus|DC drives|Power converters/rectifiers|Reduced voltage starters. Standard(s): IEC 60269-4|UL 248-13.

Quick answer, specifications & FAQ
Direct answer

Eaton Bussmann High-Speed Square Body Fuse 170M5018 is rated 1250A, 550V AC, High Speed, DIN 43 653 Size 2. Breaking capacity 200kA RMS Sym., I²t 2,400,000 A²s, operating temperature -40°C to +125°C, certifications UL Recognized|IEC 60269-4|CE. Listed applications: DC Bus Protection, Motor Drives, Motor Starters, Power conversion. Standards: IEC 60269-4, UL 248-13. Eaton Bussmann 170M5018, 1250A, 550V AC, Class aR; interrupting rating 200kA RMS Sym..

Last updated 23 days ago

Key specifications

  • Part number: 170M5018
  • Brand: Eaton Bussmann
  • Rated current: 1250A
  • Rated voltage: 550V AC
  • Breaking capacity: 200kA RMS Sym.
  • Fuse speed: High Speed
  • Package size: DIN 43 653 Size 2
  • Dimensions: DIN 43 653 Size 2 (per datasheet)
  • Terminal type: Bolted tag (/80)
  • Operating temperature: -40°C to +125°C
  • Certifications: UL Recognized|IEC 60269-4|CE
  • Standards: IEC 60269-4, UL 248-13

Frequently asked questions

What are the current and voltage ratings of 170M5018?

170M5018 is rated 1250A at 550V AC.

What is the breaking capacity of 170M5018?

170M5018 has a breaking capacity of 200kA RMS Sym.. Confirm this covers the available fault current at the installation point.

What package size does 170M5018 use?

170M5018 uses DIN 43 653 Size 2 package size.

Which standards and approvals apply to 170M5018?

170M5018 is listed under IEC 60269-4, UL 248-13 / UL Recognized|IEC 60269-4|CE.

What is 170M5018 used for?

170M5018 is listed for DC Bus Protection, Motor Drives, Motor Starters, Power conversion applications. Verify suitability for your circuit before ordering.

What are the ordering terms for 170M5018?

170M5018: typical lead time 4–6 weeks, minimum order 10 pcs. Submit a quote request for a firm quotation.

Data sources

Part number
170M5018
Brand
Eaton Bussmann
Last updated
2026-10-10
Canonical URL
https://fusestock.com/products/eaton-bussmann-170m5018/

Technical Specifications

Part Number
170M5018
Manufacturer Part Number
170M5018
Series
170M Series (690V AC DIN 43 653)
Fuse Type
High-Speed Square Body Fuse
Current Rating
1250A
Voltage Rating
550V AC
AC / DC
AC
Breaking Capacity
200kA RMS Sym.
I²t
2,400,000 A²s
Pre-arcing I²t
365,000 A²s
Total I²t
2400000
Operating Temperature
-40°C to +125°C
Package / Dimensions
DIN 43 653 Size 2
Mounting
Stud Mount
Application
DC Bus Protection · Motor Drives · Motor Starters · Power conversion
Standard
IEC 60269-4 · UL 248-13
Terminal Type
Bolted tag (/80)
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 @ 550V
2,400,000 A²s
Watt Loss @ In
130W
Data Sheet
170K6318
You may also need

Related Products

View All Products →