TRS400R Equivalent & Substitute Parts

Part Overview

The TRS400R is a 600V 400A fuse cartridge manufactured by Mersen USA Newburyport-MA L.L.C., currently in active product status. This component is designed for high-current electrical protection applications requiring 600VAC operation at 400 amperes. Finding equivalent substitute parts may be necessary due to inventory availability, lead time considerations, or specific application requirements while maintaining identical electrical and mechanical specifications.

Substiute Parts

TRS400R

Mersen USA Newburyport-MA L.L.C.In Stock: 708TRS400R Datasheet

Current PartRFQ

FRS-R-400

Eaton - Bussmann Electrical DivisionIn Stock: 811FRS-R-400 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TRS400R is determined by the following critical parameters:

• Current Rating: 400A (exact match required)
• Voltage Rating - AC: 600VAC (exact match required)
• Form Factor: Cartridge fuse (mechanical compatibility)
• Product Status: Active (ensures ongoing availability and support)

The FRS-R-400 manufactured by Eaton - Bussmann Electrical Division meets all substitution criteria. Both parts share identical current and voltage ratings, operate as cartridge fuses, and maintain active product status. The substitute part is classified as RK5 and includes additional voltage rating capability (300VDC) beyond the main part specification.

Parameter Comparison

Engineering Selection Recommendations

Both the TRS400R and FRS-R-400 are active products with identical current and voltage ratings, making them electrically interchangeable for 600VAC 400A applications. The FRS-R-400 offers RoHS compliance and additional DC voltage capability (300VDC), which may provide broader application flexibility. Both components share the same ECCN and HTSUS classification, simplifying regulatory and procurement documentation. Selection between these parts should be based on specific application requirements, inventory availability, and compliance mandates within your organization.

Frequently Asked Questions (FAQ)

Q: Can the FRS-R-400 directly replace the TRS400R?

A: Yes. Both parts are 400A cartridge fuses rated for 600VAC operation. Electrical specifications are identical, and physical dimensions are compatible with standard cartridge fuse holders.

Q: What is the significance of the RK5 class rating on the FRS-R-400?

A: RK5 is a fuse class designation indicating specific performance characteristics for industrial applications. This classification is not specified for the TRS400R but does not prevent substitution when electrical ratings match.

Q: Does the 300VDC rating on the FRS-R-400 affect its use in 600VAC applications?

A: No. The 300VDC rating is an additional capability. The part remains fully rated for 600VAC operation and does not introduce any incompatibility.

Q: Are there packaging differences between these parts?

A: The TRS400R is supplied in Box packaging, while the FRS-R-400 is supplied in Bulk packaging. This affects order quantities and handling but does not impact electrical or mechanical compatibility.

Q: What is the difference in RoHS compliance between these parts?

A: The TRS400R is RoHS non-compliant, while the FRS-R-400 is RoHS compliant. Selection depends on your application's regulatory requirements and environmental standards.