Eaton JJN-50V Bussmann Series JJN Fuse - Class T
Part Number: JJN-50V
Quick Summary
The Eaton JJN-50V fuse protects electrical circuits in industrial control panels and power distribution networks. Selecting the right fuse can be time-consuming and prone to misreading ratings, risking nuisance trips or unplanned downtime. There are no SIL, CE, or IP certifications listed in this dataset, but the device is RoHS compliant and uses a Class T, non-indicating design for predictable protection. This combination supports reliable fail-safe operation while simplifying parts sourcing and inventory management. The fuse is compatible with Bussmann series configurations and TRON fast-acting performance, delivering fast response with end-terminals for straightforward installation in cabling runs.
Product Information
Extended Description
JJN-50V Eaton: Eaton Bussmann series JJN fuse, Non indicating, Class T
Product Name
Eaton Bussmann series JJN fuse
Catalog Number
JJN-50V
UPC
051712591089
EAN
5027590222556
Product Length/Depth
0.001 in
Product Height
0.001 in
Product Width
0.001 in
Product Weight
0.4 lb
Warranty
Not Applicable
Compliances
Not Applicable RoHS Compliant
Packaging type
Standard
Class
Class T
Fuse indicator
Non-indicating
Bussmann series complete full line catalog no. 1007
Bussmann series Fuseology
Eaton Specification Sheet - JJN-50V
JJN-50V~TRON FAST ACTING W/END TERMINALS CLASS T
Datasheet - FNQ-30
Feature: TRON fast-acting design with end terminals. Business Impact: Rapid disconnection at fault currents minimizes equipment damage and arc energy exposure, reducing downtime and maintenance costs. Application: Ideal for control panels, motor drives, and power distribution centers where quick clear of faults is critical. Feature: Class T rating with Bussmann series compatibility. Business Impact: Standardized protection across numerous assemblies streamlines procurement and BOM management, lowering stocking complexity. Application: Suitable for mixed panel ecosystems and retrofit projects in industrial facilities. Feature: Non-indicating fuse design. Business Impact: Eliminates visual indicators that can complicate panel readability in dense installations, while lowering inspection time. Application: Dense control cabinets and compact switchgear where indicators are undesirable. Feature: RoHS compliance. Business Impact: Supports environmental and regulatory requirements across global plants, easing cross-border deployment. Application: Equipment deployed in EU, APAC, and North American facilities needing green compliance. Feature: Access to catalogs and datasheets. Business Impact: Faster design validation and procurement decisions with authoritative references (catalog and data sheets). Application: Engineering workflows, project handoffs, and sourcing processes.
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FAQs
Yes. The JJN-50V is specified as a TRON fast-acting fuse with end terminals, designed for straightforward installation in Bussmann series panels and fixtures. Compatibility is facilitated by the standard end-terminal format, enabling reliable termination and quick replacement during maintenance. Always confirm terminal dimensions and torque per the datasheet prior to field installation.
The JJN-50V is a Class T fuse with TRON fast-acting behavior, providing rapid fault interruption to protect circuits from short circuits and overloads. It is a non-indicating device, offering clear protection without indicator LEDs. While current ratings are model-specific, this variant is designed for dependable protection in control circuits and power distribution applications, with RoHS compliance supporting global deployments.
Common applications include industrial control panels, machine control circuits, and power distribution assemblies in manufacturing and processing environments. Its Class T fast-acting protection is well-suited for motor drives, feeders, and localized protection in compact panels. The non-indicating design reduces panel clutter, while RoHS compliance supports sustainability requirements in automotive, food & beverage, and packaging industries.
The dataset indicates RoHS compliance for the JJN-50V fuse, aligning with environmental standards for restricted substances. There are no listed SIL, CE, IP ratings in the provided data. For any region-specific regulatory requirements beyond RoHS, refer to Eaton’s official datasheets and regional guidelines. Always verify current certifications from the latest Eaton literature before procurement decisions.
Using the JJN-50V Class T fuse supports predictable protection with fast fault clearing, reducing downtime and preventing collateral equipment damage. Its standardized Class T family and end-terminal design simplify stocking, procurement, and field replacements, lowering total cost of ownership. Additionally, RoHS compliance minimizes environmental compliance troubleshooting during global deployments, contributing to smoother maintenance cycles.