Littelfuse 0JLS015.T Equivalent & Substitute Parts

Part Overview

The Littelfuse 0JLS015.T is a 15A 600VAC fast-blow cartridge fuse from the POWR-GARD® JLS series, designed for electrical and industrial applications requiring holder-mounted protection. This component is currently active in production with 1049 units in stock. Substitute parts are identified to provide equivalent electrical and mechanical performance for applications where the original part is unavailable or where alternative sourcing is required.

Substiute Parts

0JLS015.T

Littelfuse Inc.In Stock: 10860JLS015.T Datasheet

Current PartRFQ

JKS-15

Eaton - Bussmann Electrical DivisionIn Stock: 1057JKS-15 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the Littelfuse 0JLS015.T is determined by the following critical parameters:

• Current Rating: 15A (exact match required)
• Voltage Rating: 600VAC (exact match required)
• Response Time: Fast Blow (exact match required)
• Breaking Capacity: 200kA (exact match required)
• Physical Dimensions: 0.811" Dia x 2.252" L (tolerance within ±0.001" acceptable for holder compatibility)
• Fuse Type: Cartridge, holder-mounted configuration
• Class: J (standard industrial cartridge fuse classification)

The Eaton Bussmann JKS-15 meets all electrical and mechanical substitution criteria. Both parts share identical current, voltage, breaking capacity, and response characteristics. Physical dimensions are equivalent within manufacturing tolerance (0.810" Dia x 2.250" L vs. 0.811" Dia x 2.252" L), ensuring compatibility with standard Class J fuse holders.

Parameter Comparison

Engineering Selection Recommendations

Both the Littelfuse 0JLS015.T and Eaton Bussmann JKS-15 are functionally equivalent for Class J cartridge fuse applications requiring 15A, 600VAC protection with fast-blow response and 200kA breaking capacity.

The Littelfuse 0JLS015.T is RoHS3 compliant and carries QPL approval in addition to CE, CSA, and UL certifications. The Eaton Bussmann JKS-15 holds CE, CSA, and UL approvals but is not RoHS compliant.

Selection between these parts should be based on specific regulatory requirements. Applications subject to RoHS3 compliance mandates require the Littelfuse 0JLS015.T. Applications without RoHS requirements may use either part interchangeably, provided the fuse holder is compatible with Class J cartridge dimensions.

Frequently Asked Questions (FAQ)

Q: Can the Eaton Bussmann JKS-15 be used as a direct replacement for the Littelfuse 0JLS015.T?

A: Yes, for electrical and mechanical functionality. Both parts have identical current ratings (15A), voltage ratings (600VAC), response times (fast blow), and breaking capacities (200kA). Physical dimensions are equivalent within manufacturing tolerance. However, RoHS compliance status differs; verify regulatory requirements before substitution.

Q: What is the significance of the ceramic construction in the JKS-15?

A: The ceramic construction is a material specification for the fuse element. Both the Littelfuse 0JLS015.T and Eaton Bussmann JKS-15 are cartridge fuses with identical electrical performance characteristics. Material composition does not affect substitution eligibility when all electrical and mechanical parameters match.

Q: Are these fuses compatible with the same holders?

A: Yes. Both parts are Class J cartridge fuses with equivalent physical dimensions (within ±0.001" tolerance). They are designed for use with standard Class J fuse holders. Verify holder specifications match the cartridge, non-standard package classification.

Q: What is the difference in approval agencies between these parts?

A: The Littelfuse 0JLS015.T carries QPL (Qualified Products List) approval in addition to CE, CSA, and UL certifications. The Eaton Bussmann JKS-15 holds CE, CSA, and UL approvals. QPL approval is relevant for military and aerospace applications; standard industrial applications typically require only CE, CSA, or UL certification.

Q: Does RoHS compliance affect electrical performance?

A: No. RoHS3 compliance is a regulatory and material composition requirement, not an electrical performance specification. Both parts meet identical electrical and mechanical performance standards. RoHS status is relevant only for applications subject to RoHS regulatory mandates.