SCHURTER 7010.2470 Equivalent & Substitute Parts

Part Overview

The SCHURTER 7010.2470 is a 4A 125VAC fast-blow glass cartridge fuse in the D0 series, designed for applications requiring a non-standard cartridge holder. This part is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing maintenance and repair operations. The fuse provides protection in circuits rated up to 125V AC/DC with a 4-ampere current rating and a breaking capacity of 35A at rated voltage.

Substiute Parts

7010.2470

SCHURTER Inc.In Stock: 9807010.2470 Datasheet

Current PartRFQ

BK/C520-4-R

Eaton - Electronics DivisionIn Stock: 725BK/C520-4-R Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SCHURTER 7010.2470 is determined by the following critical parameters:

Current Rating: Both the main part and substitute must provide 4A protection.

Fuse Type & Construction: Glass cartridge fuses with fast-blow response characteristics are required to maintain circuit protection behavior.

Voltage Rating: The substitute must operate at or above the circuit voltage requirement. The SCHURTER 7010.2470 operates at 125VAC; substitutes rated at higher voltages (such as 250VAC) are electrically compatible in lower-voltage circuits.

Physical Dimensions & Holder Compatibility: The non-standard cartridge format of the SCHURTER 7010.2470 (4.70mm x 16.00mm) requires a compatible holder. The Eaton BK/C520-4-R uses the standard 2AG format (5.20mm x 14.48mm), which may require holder modification or replacement depending on the application's mechanical constraints.

Electrical Performance: Melting I²t and breaking capacity values indicate the fuse's thermal and electrical performance characteristics. Substitutes with equal or higher values maintain or exceed the original protection profile.

The Eaton BK/C520-4-R qualifies as a functional substitute based on matching current rating, fuse type, response time, and voltage compatibility, with the caveat that mechanical integration requires assessment of holder compatibility.

Parameter Comparison

Engineering Selection Recommendations

The Eaton BK/C520-4-R is the identified substitute for the obsolete SCHURTER 7010.2470 based on electrical parameter alignment: identical 4A current rating, matching fast-blow response, and compatible glass cartridge construction. The higher voltage rating (250VAC versus 125VAC) provides electrical compatibility in the original 125VAC circuit application.

The Eaton substitute carries active product status with CSA and UL approvals, ensuring continued availability and regulatory compliance. Both parts maintain ROHS3 compliance and are classified as REACH Unaffected.

Physical dimensions differ slightly (5.20mm x 14.48mm for the Eaton versus 4.70mm x 16.00mm for the SCHURTER). This dimensional variance requires evaluation of the existing fuse holder to determine whether mechanical accommodation is feasible. If the original non-standard holder cannot accept the 2AG format, holder replacement or modification may be necessary.

The Eaton substitute exhibits higher breaking capacity (200A versus 35A) and higher melting I²t (16.6 versus 7.8), indicating superior fault current handling and thermal performance characteristics.

Frequently Asked Questions (FAQ)

Q: Can the Eaton BK/C520-4-R directly replace the SCHURTER 7010.2470 without modification?

A: Electrical compatibility is confirmed. Mechanical compatibility depends on the fuse holder design. The SCHURTER uses a non-standard cartridge format (4.70mm x 16.00mm), while the Eaton uses the standard 2AG format (5.20mm x 14.48mm). If the existing holder accommodates 2AG cartridges, direct substitution is possible. If not, holder replacement is required.

Q: Why is the voltage rating of the substitute higher than the original part?

A: The Eaton BK/C520-4-R is rated for 250VAC, compared to the SCHURTER's 125VAC rating. A fuse rated for higher voltage can operate safely in lower-voltage circuits. This characteristic does not compromise protection; the 4A current rating remains the controlling parameter for circuit protection.

Q: Are there differences in fuse response time between these parts?

A: Both parts are classified as fast-blow fuses, indicating identical response characteristics. This ensures equivalent protection behavior in the circuit.

Q: What is the significance of the different melting I²t values?

A: The Eaton substitute has a higher melting I²t (16.6 versus 7.8), indicating greater thermal energy absorption before element fusion. This represents improved performance margin and does not affect compatibility in the original circuit application.

Q: Are both parts compliant with current regulatory standards?

A: Yes. Both the SCHURTER 7010.2470 and Eaton BK/C520-4-R are ROHS3 compliant and REACH Unaffected. The Eaton substitute carries CSA and UL approvals, confirming compliance with recognized safety standards.

Q: What should be verified before implementing this substitution?

A: Confirm holder compatibility with the 2AG cartridge format. Verify that the circuit voltage (125VAC) and current requirements (4A) match the application specifications. Ensure that the replacement fuse holder, if required, meets the same safety and regulatory standards as the original installation.