Mersen to Bussmann Cross Reference
This Mersen to Bussmann cross reference chart maps Mersen fuse part numbers to their Eaton Bussmann equivalents. Mersen was formerly Ferraz Shawmut, so legacy Ferraz Shawmut and Ferraz part numbers belong here as well -? a Ferraz to Bussmann lookup lands on the same matches.
Mersen to Bussmann (41)
| Mersen / Ferraz Shawmut Part | Bussmann Equivalent | Amp | Voltage | Details |
|---|---|---|---|---|
| A15QS [1-30]-2 | FWA-A10F | 5–4000A | 130–150V AC (varies by current rating) | View |
| A15QS [35-60]-1 | FWA-A21F | 5–4000A | 130–150V AC (varies by current rating) | View |
| A15QS [70-400]-4 | FWA-B | 5–4000A | 130–150V AC (varies by current rating) | View |
| A2D-R | LPN-RK-SP | 1/10–600A | 600V AC / 300V DC | View |
| A2K | KTN-R | 600A | 250V AC | View |
| A30QS [1000-1200]-128 | FWX-AH | 35–2500A | 250V AC | View |
| A30QS [35-700]-4 or Type 4 | FWX-A | 35–2500A | 250V AC | View |
| A30QS-1 or Type 1 | FWX-A14F | 35–2500A | 250V AC | View |
| A3T | JJN | 1200A | 300V AC / 170V DC | View |
| A4BQ [225-600] | KRP-CL | 225–600A | 600V AC | View |
| A4BQ [601-6000] | KRP-C-SP | 601–6000A | 600V AC | View |
| A4BT [601-4000] | KLU [601-4000] | 800A | 600V AC | View |
| A4BY | KLU | 800A | 600V AC | View |
| A4J | JKS | 600A | 600V AC | View |
| A50P-1 | FWH-A14F | 35–1600A | 500V AC | View |
| A50P-4 | FWH-A or B | 35–1600A | 500V AC | View |
| A50QS-4 or Type 4 | FWH-A or B | 35–1600A | 500V AC | View |
| A6D-R | LPS-RK-SP | 1/10–600A | 600V AC / 300V DC | View |
| A6K | KTS-R | 600A | 600V AC | View |
| A6T | JJS | 800A | 600V AC | View |
| A70P-1 or Type 1 | FWP-A14F | 5–1200A | 700V AC / 500V DC | View |
| A70P-4 or Type 4 | FWP-A orB | 5–1200A | 700V AC / 500V DC | View |
| A70QS [225-400]-4 or 4K | FWP-A or B | 5–1200A | 700V AC / 500V DC | View |
| A70QS [35-200]-4 | FWP-A or B | 5–1200A | 700V AC / 500V DC | View |
| A70QS [450-600]-4K | FWP-A or B | 5–1200A | 700V AC / 500V DC | View |
| A70QS [700-800]-4 | FWP-A or B | 5–1200A | 700V AC / 500V DC | View |
| A70QS-14F | FWP-A14F | 5–1200A | 700V AC / 500V DC | View |
| A70QS-22F | FWP-A22F | 5–1200A | 700V AC / 500V DC | View |
| ATDR | LP-CC | 9A | 600V AC / 150V DC | View |
| ATMR | KTK-R | 9A | 600V AC | View |
| ATQ | FNQ | 30A | 500V AC | View |
| ATQR | FNQ-R | 9A | 600V AC / 32V DC (self-certified) | View |
| DCT [1-15A] | PV-A10F | 1–15A | 1000V DC (gPV/UL PV) | View |
| GFN | FNA | 30A | 250V AC | View |
| GGU | AGU | 1–60A | 32V AC/DC | View |
| OTM | BAF | 30A | 250V AC | View |
| SBS | BBS | 1.5A | 600V AC | View |
| TRM | FNM | 30A | 250V AC | View |
| US3J(X)/(X)I | CH30J(X)/(X)I | 30A (holder rating) | 600V AC / 600V DC | View |
| US6J(X)/(X)I | CH60J(X)/(X)I | 60A (holder rating) | 600V AC / 600V DC | View |
| USCC(X)/(X)I | CHCC(X)DU/(X)DIU | ≤30A (holder rating) | 600V AC / 600V DC | View |
Mersen and Bussmann part families do not map one-to-one; verify dimensions, breaking capacity and time-current characteristics on the detail page before substituting. Search all brands in the fuse cross reference tool.