Eaton Bussmann

Eaton Bussmann 68300 300A 600V AC Class H Holder Type Welder Limiter

Name: Eaton Bussmann 68300 300A 600V AC Class H Holder Type Welder Limiter
Brand: Eaton Bussmann
SKU: 68300

Part Number: 68300

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68300: 300A; 600V AC; Class H Holder Type; Welder-Duty Current-Limiting; 200kA AC.

Rated Current300A

Rated Voltage600V AC

Breaking Capacity200kA AC

Tags

68300Bussmann 64000/68000 Series (Welder Limiter)300A fuse600V ACClass H Holder Type

Eaton Bussmann 68300 is a welder limiter rated 300A at 600V AC. Interrupting rating: 200kA AC. Typical applications: Welder circuits only. Special time-current characteristics for intermittent welder overloads; not suitable for other circuit types. Source: Bussmann Full Line Catalog 1007 (2018), page 2-3.

Quick answer, specifications & FAQ

Direct answer

Eaton Bussmann Welder Limiter 68300 is rated 300A, 600V AC, Current-Limiting. Breaking capacity 200kA AC. Listed applications: Welder circuits only. 68300: 300A; 600V AC; Class H Holder Type; Welder-Duty Current-Limiting; 200kA AC.

Last updated 44 days ago

Key specifications

Part number: 68300
Brand: Eaton Bussmann
Rated current: 300A
Rated voltage: 600V AC
Breaking capacity: 200kA AC
Fuse speed: Current-Limiting
Typical lead time: 12-16 weeks
Special time-current characteristics for intermittent welder overloads; not suitable for other circuit types.; Source: Bussmann Full Line Catalog 1007 (2018), page 2-3.

Frequently asked questions

What are the current and voltage ratings of 68300?

68300 is rated 300A at 600V AC.

What is the breaking capacity of 68300?

68300 has a breaking capacity of 200kA AC. Confirm this covers the available fault current at the installation point.

What is 68300 used for?

68300 is listed for Welder circuits only applications. Verify suitability for your circuit before ordering.

What are the ordering terms for 68300?

68300: typical lead time 12-16 weeks. Submit a quote request for a firm quotation.

Data sources

Part number: 68300
Brand: Eaton Bussmann
Last updated: 2026-09-18
Canonical URL: https://fusestock.com/products/eaton-bussmann-68300-300a-600v-ac-class-h-holder-type-welder-limiter/

Technical Specifications

Part Number: 68300
Manufacturer Part Number: 68300
Series: 64000/68000 Series (Welder Limiter)
Fuse Type: Welder Limiter
Current Rating: 300A
Voltage Rating: 600V AC
AC / DC: AC
Breaking Capacity: 200kA AC
Mounting: Fuse Base / Block
Application: Welder circuits only
Fuse Speed: Current-Limiting
Reference Lead Time: 12-16 weeks
Special time-current characteristics for intermittent welder overloads; not suitable for other circuit types.; Source: Bussmann Full Line Catalog 1007 (2018), page 2-3.