Equivalent & Substitute Parts for 30311R

Part Overview

The 30311R is a single-pole fuse block rated for 600V at 30A, manufactured by Mersen USA Newburyport-MA L.L.C. This component is designed for circuit protection applications requiring cartridge fuse accommodation. The part maintains Active product status with ROHS3 compliance. Substitute parts are identified to provide alternative sourcing options when the primary part is unavailable or when inventory requirements necessitate qualified alternatives.

Substiute Parts

30311R

Mersen USA Newburyport-MA L.L.C.In Stock: 75330311R Datasheet

Current PartRFQ

L60030C1SQ

Littelfuse Inc.In Stock: 1005L60030C1SQ Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 30311R is determined by the following critical parameters:

• Voltage Rating: 600V (exact match required)
• Current Rating: 30A (exact match required)
• Number of Circuits: 1 Pole (exact match required)
• Fuse Type: Cartridge accommodation (functional equivalence)
• Product Status: Active (current manufacturing status)
• RoHS Compliance: ROHS3 Compliant (regulatory alignment)

The substitute part L60030C1SQ meets all specified electrical parameters and compliance requirements, qualifying it as a direct functional equivalent for the 30311R.

Parameter Comparison

Engineering Selection Recommendations

Both the 30311R and L60030C1SQ are Active products with ROHS3 compliance and EAR99 classification. Selection between these parts should be based on:

• Availability and lead time requirements
• Inventory levels (30311R: 664 pcs; L60030C1SQ: 963 pcs available)
• Mounting configuration compatibility with your application (30311R mounting type not specified; L60030C1SQ is Chassis Mount)
• Termination style requirements (L60030C1SQ offers Screw Terminal and Quick Connect options)

Both parts satisfy the electrical and regulatory requirements for 600V, 30A, single-circuit fuse block applications.

Frequently Asked Questions (FAQ)

Q: Can L60030C1SQ replace 30311R in all applications? A: L60030C1SQ is electrically equivalent to 30311R for 600V, 30A, single-circuit fuse block requirements. Verify mounting configuration and termination style compatibility with your specific application before substitution.

Q: What fuse types are compatible with these blocks? A: Both blocks accommodate 5AG cartridge fuses rated 13/32" x 1-1/2" (Midget) with 0.394" Dia x 1.496" L (10mm x 38mm) dimensions.

Q: Are both parts RoHS compliant? A: Yes, both 30311R and L60030C1SQ are ROHS3 Compliant.

Q: What are the contact material specifications? A: L60030C1SQ features Copper Alloy contacts with Tin finish. Contact material specifications for 30311R are not provided in the available data.

Q: How do the packaging and inventory levels compare? A: Both parts are supplied in Box packaging. L60030C1SQ has higher current inventory (963 pcs vs. 664 pcs for 30311R).