ECSR6 Equivalent & Substitute Parts Reference

Part Overview

The ECSR6 is a 6A 600VAC cartridge fuse manufactured by Eaton - Bussmann Electrical Division. This slow-blow fuse cartridge is designed for electrical and industrial applications requiring holder-mounted protection. The part is currently active in production with 1094 units in stock. Substitute parts are identified to provide alternative sourcing options when the primary part is unavailable or when application requirements permit use of functionally compatible alternatives.

Substiute Parts

ECSR6

Eaton - Bussmann Electrical DivisionIn Stock: 1200ECSR6 Datasheet

Current PartRFQ

FRS-R-6

Eaton - Bussmann Electrical DivisionIn Stock: 972FRS-R-6 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The FRS-R-6 qualifies as a substitute for the ECSR6 based on the following matching parameters:

• Current Rating: Both parts are rated at 6A
• Voltage Rating - AC: Both parts are rated at 600 VAC
• Fuse Type: Both are cartridge fuses
• Response Time: Both are slow-blow fuses
• Class: Both are RK5 class
• Breaking Capacity: Both provide 200kA at rated voltage
• Approval Agencies: Both carry CE, CSA, and UL certifications
• RoHS Compliance: Both are RoHS compliant
• Manufacturer: Both are manufactured by Eaton - Bussmann Electrical Division

The FRS-R-6 provides additional DC voltage capability (300 VDC) not present in the ECSR6, making it suitable for applications requiring either AC or DC protection at the specified ratings.

Parameter Comparison

Engineering Selection Recommendations

Both the ECSR6 and FRS-R-6 are active products from Eaton - Bussmann Electrical Division with identical AC voltage and current ratings, matching RK5 class specifications, and equivalent breaking capacities at rated voltage. Both carry the same regulatory approvals (CE, CSA, UL) and are RoHS compliant.

Selection between these parts should be based on:

• Physical space constraints: The FRS-R-6 is shorter (3.00" vs 5.00" length), which may be advantageous in compact installations
• DC voltage requirements: The FRS-R-6 supports 300 VDC operation, while the ECSR6 is specified for AC only
• Holder compatibility: Both require a cartridge fuse holder; verify holder dimensions accommodate the selected fuse length

Frequently Asked Questions (FAQ)

Q: Can the FRS-R-6 be used as a direct replacement for the ECSR6?

A: Yes, for AC applications at 600 VAC and 6A. Both parts share identical current ratings, voltage ratings, response characteristics, and breaking capacity at rated voltage. Verify that the fuse holder accommodates the FRS-R-6 length of 3.00" versus the ECSR6 length of 5.00".

Q: What is the primary difference between these two cartridge fuses?

A: The FRS-R-6 includes DC voltage capability (300 VDC) and is physically shorter (3.00" vs 5.00"). Both maintain identical AC specifications and RK5 class ratings.

Q: Are both parts RoHS compliant?

A: Yes, both the ECSR6 and FRS-R-6 are RoHS compliant.

Q: Do both fuses carry the same regulatory certifications?

A: Yes, both parts are certified by CE, CSA, and UL.

Q: What does RK5 class mean for these cartridge fuses?

A: RK5 is a fuse class designation indicating the fuse characteristics, breaking capacity, and application suitability. Both parts are classified as RK5, ensuring equivalent protection characteristics for their rated applications.

Q: Can physical dimensions affect substitution?

A: Yes. The FRS-R-6 is 2.00" shorter than the ECSR6. Verify that your fuse holder can physically accommodate the FRS-R-6 cartridge length before substitution.