Low-Peak™ Upgrade Program

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Bussmann provides the easiest and fastest way to select and specify the right fuse. By grouping our low voltage fuses into three tiers of protection, and four fuse families within those tiers, we've sped up specification and selection and made replacement easy. Leveraging our ultimate protection fuses, the Bussmann Low-Peak™ Upgrade program couples the industry's most advanced circuit protection with our extensive technical knowledge to deliver enhanced safety, improved system reliability and simplified inventory.

With just three simple steps, it's easier than ever to improve your circuit protection while efficiently reducing your fuse inventory SKUs and cost. What's more, you'll save time and increase productivity - all by using Bussmann Low-Peak fuses.

Step 1: AUDIT
Step 2: ANALYZE
Step 3: IMPLEMENT

Benefits of the Low-Peak Upgrade Program

ENHANCED SAFETY

  • Superior current-limitation reduces arc flash hazards
  • Interrupting ratings up to 300kA for virtually any fault conditions
  • Help achieve code compliance with OSHA, NFPA and IEEE
  • Finger-safe design with the Class CF CUBEFuse™

IMPROVED SYSTEM RELIABILITY

  • Type 2 "No Damage" motor starter protection reduces downtime
  • Optional fuse indication to help speed troubleshooting
  • Easily meet selective coordination requirements with 2:1 amp ratio with any fuse in the Low-Peak family

SIMPLIFIED INVENTORY

  • One Low-Peak fuse can replace multiple fuses in a variety of applications, reducing the need to stock multiple fuses

Learn more:

View the product profile

View the brochure

Get started:

End users, click here and complete a short form.

Authorized Bussmann distributors, please contact your local Bussmann sales representative.

Quick Reference

The listings below are alpha numeric by fuse class and catalog number. They are only a consolidated cross-reference to the most common fuse products. For a more exact cross reference, consult our competitive cross reference and product information search engine by clicking this link.

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Low-Peak Upgrade: LP-CC

LP-CC-6 Class CC Fuse

View LP-CC fuse details

LP-CC replaces these fuses
A6Y ATMR BLN CNQ FNM KLK MEN TRM
ABU ATQ CCMR CTK FNQ KLK-R MEQ 6JX
AGU BAF CM CTK-R FNW KTK MOF  
ATDR BAN CMF FLM GGU KTK-R MOL  
ATM BLF CNM FLQ HCLR MCL OTM  
FNQ-R Suggested on primary of control transformers.  

Low-Peak Upgrade: LPJ_SP and LPJ_SPI

LPJ-SP Class J Fuse

Available with open fuse indication from 6 to 600 amp versions.

View LPJ fuse details

LPJ_SP replaces these fuses
A4J CJ GF8B J JCL JFL JKS JTD
AJT CJS HRCXXJ JA JDL JHC JLS  

Low-Peak Upgrade: LPN-RK_SP and LPN-RK_SPI

LPN-RK Class RK1 Fuse

Available with open fuse indication from 35 to 600 amp versions

View LPN fuse details

LPN-RK_SP replaces these fuses
A2D CTN-R FLN-R KON NON 655
A2D-R DEN FRN KTN-R NRN 660
A2K DLN FRN-R LENRK OTN 10KOTN
A2K-R DLN-R FTN-R LKN REN 50KOTN
A2Y type1 ECN GDN LLN-RK RFN  
AT-DE ECN-R HAC-R LON-RK RHN  
CHG ERN HB NCLR RLN  
CRN-R type 3 FLN KLN-R NLN TR  

Low-Peak Upgrade: LPS-RK_SP and LPS-RK_SPI

LPN-RK Class RK1 Fuse

Available with open fuse indication from 6 to 600 amp versions.

View LPS fuse details

LPS-RK_SP replaces these fuses
A6D DES FLS HA LES-RK NRS SCLR
A6K-R DES-R FLS-R KLS-R LKS OTS TRS
A6X type 1 DLS FRS KOS LLS-RK RES TRS-R
ATS-DE DLS-R FRS-R KTS-R LOS-RK RFS 656
CHR ECS-R FTS-R LES NLS RHS 10KOTS
CTS-R ERS GDS LES-R NOS RLS 50KOTS

Low-Peak Upgrade: KRP-C_SP

KRP-C-SP Class L Fuse

View KRP-C fuse details

KRP-C_SP replaces these fuses
A4BQ A4BY CLASS L CLL HRC-L KLPC KTU LCL
A4BT A4BY type 55 CLF CLU KLLU KLU L LCU

The competitive catalog numbers shown here were derived from the latest published information from various manufacturers. Because competitors' products may differ from Bussmann products, it is recommended that each application be checked for required electrical and mechanical characteristics before substitutions are made. Bussmann is not responsible for misapplications of our products.

Overcurrent protection is application dependent. Consult latest catalogs and application literature, or contact our Application engineers at 636-527-1270, or send an e-mail to fusetech@eaton.com.