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Eaton Bussmann JCW-5E 5A 5.5kV max PT Fuse PT Medium Voltage Fuse
Eaton Bussmann

Eaton Bussmann JCW-5E 5A 5.5kV max PT Fuse PT Medium Voltage Fuse

Part Number: JCW-5E

● LT: 12-16w

JCW-5E: 5A; 5.5kV max; PT Fuse; Fast-Acting PT; 40kA RMS Sym.

Rated Current5A
Rated Voltage5.5kV max
Breaking Capacity40kA RMS Sym.
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Eaton Bussmann JCW-5E is a pt medium voltage fuse rated 5A at 5.5kV max. Interrupting/SCCR rating: 40kA RMS Sym. Typical applications: Potential transformer protection, Instrument circuit protection. Source: Bussmann Full Line Catalog 1007 (2018), page 7-27.

Quick answer, specifications & FAQ
Direct answer

Eaton Bussmann PT Medium Voltage Fuse JCW-5E is rated 5A, 5.5kV max, Fast Acting. Breaking capacity 40kA RMS Sym.. Listed applications: Instrument circuit protection, Transformer protection. JCW-5E: 5A; 5.5kV max; PT Fuse; Fast-Acting PT; 40kA RMS Sym.

Last updated 23 days ago

Key specifications

  • Part number: JCW-5E
  • Brand: Eaton Bussmann
  • Rated current: 5A
  • Rated voltage: 5.5kV max
  • Breaking capacity: 40kA RMS Sym.
  • Fuse speed: Fast Acting
  • Terminal type: Ferrule
  • Typical lead time: 12-16 weeks
  • Source: Bussmann Full Line Catalog 1007 (2018), page 7-27.

Frequently asked questions

What are the current and voltage ratings of JCW-5E?

JCW-5E is rated 5A at 5.5kV max.

What is the breaking capacity of JCW-5E?

JCW-5E has a breaking capacity of 40kA RMS Sym.. Confirm this covers the available fault current at the installation point.

What is JCW-5E used for?

JCW-5E is listed for Instrument circuit protection, Transformer protection applications. Verify suitability for your circuit before ordering.

What are the ordering terms for JCW-5E?

JCW-5E: typical lead time 12-16 weeks. Submit a quote request for a firm quotation.

Data sources

Part number
JCW-5E
Brand
Eaton Bussmann
Last updated
2026-10-10
Canonical URL
https://fusestock.com/products/eaton-bussmann-jcw-5e/

Technical Specifications

Part Number
JCW-5E
Manufacturer Part Number
JCW-5E
Series
JCW Series (5.5kV PT Fuse)
Fuse Type
PT Medium Voltage Fuse
Current Rating
5A
Voltage Rating
5.5kV max
AC / DC
AC
Breaking Capacity
40kA RMS Sym.
Mounting
Fuse Clip
Application
Instrument circuit protection · Transformer protection
Terminal Type
Ferrule
Fuse Speed
Fast Acting
Utilization Class
PT Fuse
Reference Lead Time
12-16 weeks
Source
Bussmann Full Line Catalog 1007 (2018), page 7-27.

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