A3T60 Equivalent & Substitute Parts

Part Overview

The A3T60 is a 300V 60A T-class fuse manufactured by Mersen USA Newburyport-MA L.L.C. This component is designed for electrical protection in industrial and general-purpose applications requiring fast-blow response characteristics. The part maintains Active product status and is ROHS3 compliant. Equivalent and substitute parts are identified when electrical ratings, mechanical form factors, and safety certifications align with the original specification, enabling component interchangeability in circuit protection applications.

Substiute Parts

A3T60

Mersen USA Newburyport-MA L.L.C.In Stock: 1087A3T60 Datasheet

Current PartRFQ

JJN-60

Eaton - Bussmann Electrical DivisionIn Stock: 708JJN-60 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the A3T60 is determined by the following critical parameters:

• Voltage Rating (AC): 300V minimum
• Current Rating: 60A
• Fuse Class: T (fast-blow response)
• Compliance: ROHS3 Compliant
• Product Status: Active

The JJN-60 manufactured by Eaton - Bussmann Electrical Division meets these core electrical and compliance requirements. Both parts share identical AC voltage and current ratings, matching fuse class designation, and equivalent regulatory compliance status. The JJN-60 is supplied in Bulk packaging and requires a holder for installation, whereas the A3T60 is supplied in Box packaging.

Parameter Comparison

Engineering Selection Recommendations

Both the A3T60 and JJN-60 maintain Active product status and ROHS3 compliance, confirming ongoing manufacturing support and regulatory alignment. Selection between these parts should be based on:

• Installation requirements: The JJN-60 requires a dedicated holder, whereas the A3T60 packaging configuration may differ
• DC voltage capability: The JJN-60 provides 160 VDC rating; the A3T60 specification does not include DC voltage data
• Certification scope: The JJN-60 carries CE, CSA, and UL approvals; verify that the A3T60 certifications meet your application requirements
• Breaking capacity: The JJN-60 specifies 200kA AC and 20kA DC; confirm that the A3T60 meets equivalent fault current requirements

Frequently Asked Questions (FAQ)

Q: Can the JJN-60 directly replace the A3T60 in all applications?

A: Both parts share identical AC voltage (300V) and current (60A) ratings with matching T-class fast-blow characteristics and ROHS3 compliance. However, the JJN-60 requires a holder for installation. Verify that your circuit design accommodates this mounting requirement and that the JJN-60's specified breaking capacity (200kA AC, 20kA DC) meets your fault current protection needs.

Q: What is the significance of the T-class designation?

A: T-class fuses are fast-blow devices designed for circuits with low inrush current. Both the A3T60 and JJN-60 carry this designation, confirming identical response characteristics for circuit protection applications.

Q: Are there differences in packaging that affect inventory or installation?

A: The A3T60 is supplied in Box packaging, while the JJN-60 is supplied in Bulk packaging. Additionally, the JJN-60 requires a holder for installation. Confirm that your assembly process and inventory management systems accommodate these differences.

Q: How do I verify compliance for my specific application?

A: Both parts are ROHS3 compliant and maintain Active product status. The JJN-60 carries CE, CSA, and UL certifications. Consult the A3T60 datasheet to confirm equivalent certifications for your regulatory requirements.

Q: What is the difference between AC and DC voltage ratings?

A: The JJN-60 specifies both 300 VAC and 160 VDC ratings, enabling use in AC or DC circuits. The A3T60 specification provided does not include DC voltage data. Confirm the A3T60's DC capability if your application requires DC circuit protection.