Equivalent & Substitute Parts for Mersen 30312R Fuse Block

Part Overview

The Mersen 30312R is a 600V, 30A, 2-pole cartridge fuse block designed for industrial and commercial electrical distribution applications. This component is classified as active and maintains full ROHS3 compliance. Finding equivalent substitute parts becomes necessary when managing inventory across multiple suppliers, addressing lead time constraints, or standardizing component sourcing across manufacturing facilities.

Substiute Parts

30312R

Mersen USA Newburyport-MA L.L.C.In Stock: 84130312R Datasheet

Current PartRFQ

L60030C2SQ

Littelfuse Inc.In Stock: 1993L60030C2SQ Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The Littelfuse L60030C2SQ qualifies as a direct substitute for the Mersen 30312R based on the following critical electrical and mechanical parameters:

Matching Parameters:

• Voltage Rating: 600V (identical)
• Current Rating: 30A (identical)
• Number of Circuits: 2 (identical)
• Fuse Type: Cartridge (identical)
• Fuseholder Type: Block (identical)
• RoHS Compliance: ROHS3 Compliant (identical)
• ECCN Classification: EAR99 (identical)

Mechanical Compatibility: The L60030C2SQ utilizes standard 5AG cartridge fuses (13/32" x 1-1/2" Midget format, equivalent to 10mm x 38mm), which are the industry standard for 30A applications at this voltage class. The fuse block configuration supports both screw terminal and quick connect termination options, providing installation flexibility.

Parameter Comparison

Engineering Selection Recommendations

Both the Mersen 30312R and Littelfuse L60030C2SQ maintain active product status with full ROHS3 compliance and identical electrical ratings. The L60030C2SQ provides additional specification transparency regarding mounting configuration (chassis mount), termination options (screw terminal and quick connect), and contact materials (copper alloy with tin finish). Selection between these components should be based on application-specific mounting requirements, available inventory, and established supplier relationships. Both components satisfy identical regulatory classifications under ECCN EAR99.

Frequently Asked Questions (FAQ)

Q: What makes the Littelfuse L60030C2SQ a valid substitute for the Mersen 30312R?

A: Both components share identical electrical specifications: 600V voltage rating, 30A current rating, and 2-pole configuration. Both utilize cartridge fuse technology in block fuseholder format and maintain ROHS3 compliance. These parameters define the substitution criteria for this product category.

Q: Are there mechanical compatibility concerns when substituting these components?

A: The L60030C2SQ uses standard 5AG cartridge fuses (10mm x 38mm), which is the industry standard for 30A applications. The component supports both screw terminal and quick connect termination, providing installation flexibility. Verify mounting configuration requirements for your specific application.

Q: Do both components carry the same regulatory classifications?

A: Yes. Both the Mersen 30312R and Littelfuse L60030C2SQ are classified as ECCN EAR99 and maintain ROHS3 compliance status.

Q: What is the inventory availability for each component?

A: Mersen 30312R: 792 pieces in stock. Littelfuse L60030C2SQ: 1,972 pieces in stock.

Q: Can I use these components interchangeably in existing designs?

A: Substitution is valid when electrical specifications (600V, 30A, 2-pole) and mechanical mounting requirements align with your application. Confirm termination style compatibility (screw terminal or quick connect) with your circuit board or panel design before implementation.