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Bussmann 170M3058 40A 690V AC 170M high-speed square-body fuse
Eaton Bussmann

Bussmann 170M3058 40A 690V AC 170M high-speed square-body fuse

Part Number: 170M3058

● LT: 4-6w

Eaton Bussmann 170M3058, 40A, 690V AC, Class aR; interrupting rating 200kA RMS Sym..

Rated Current40A
Rated Voltage690V AC
Breaking Capacity200kA RMS Sym.
PackageDIN 43 653 Size 1*
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Eaton Bussmann 170M3058 is a 170M Class aR high-speed square-body fuse rated 40A at 690V 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 170M3058 is rated 40A, 690V AC, High Speed, DIN 43 653 Size 1*. Breaking capacity 200kA RMS Sym., I²t 270 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 170M3058, 40A, 690V AC, Class aR; interrupting rating 200kA RMS Sym..

Last updated 23 days ago

Key specifications

  • Part number: 170M3058
  • Brand: Eaton Bussmann
  • Rated current: 40A
  • Rated voltage: 690V AC
  • Breaking capacity: 200kA RMS Sym.
  • Fuse speed: High Speed
  • Package size: DIN 43 653 Size 1*
  • Dimensions: DIN 43 653 Size 1* (per datasheet)
  • Terminal type: Bolted tag (TN/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 170M3058?

170M3058 is rated 40A at 690V AC.

What is the breaking capacity of 170M3058?

170M3058 has a breaking capacity of 200kA RMS Sym.. Confirm this covers the available fault current at the installation point.

What package size does 170M3058 use?

170M3058 uses DIN 43 653 Size 1* package size.

Which standards and approvals apply to 170M3058?

170M3058 is listed under IEC 60269-4, UL 248-13 / UL Recognized|IEC 60269-4|CE.

What is 170M3058 used for?

170M3058 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 170M3058?

170M3058: typical lead time 4–6 weeks, minimum order 10 pcs. Submit a quote request for a firm quotation.

Data sources

Part number
170M3058
Brand
Eaton Bussmann
Last updated
2026-10-10
Canonical URL
https://fusestock.com/products/eaton-bussmann-170m3058/

Technical Specifications

Part Number
170M3058
Manufacturer Part Number
170M3058
Series
170M Series (690V AC DIN 43 653)
Fuse Type
High-Speed Square Body Fuse
Current Rating
40A
Voltage Rating
690V AC
AC / DC
AC
Breaking Capacity
200kA RMS Sym.
I²t
270 A²s
Pre-arcing I²t
40 A²s
Total I²t
270
Operating Temperature
-40°C to +125°C
Package / Dimensions
DIN 43 653 Size 1*
Mounting
Stud Mount
Application
DC Bus Protection · Motor Drives · Motor Starters · Power conversion
Standard
IEC 60269-4 · UL 248-13
Terminal Type
Bolted tag (TN/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 @ 690V
270 A²s
Watt Loss @ In
9W
Data Sheet
170K6314
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