Current | Fixing | BS88 | Part | Equivalent | Equivalent | Equivalent |
Rating | Centres | Dim. Ref. | Number | Bussmann | Lawson | MEM |
2A • |
44,5mm | A1 | NIT2 | NITD2 | NIT2 | 2SA2-550 |
4A • | 44,5mm | A1 | NIT4 | NITD4 | NIT4 | 4SA2-550 |
6A • | 44,5mm | A1 | NIT6 | NITD6 | NIT6 | 6SA2-550 |
10A • |
44,5mm | A1 | NIT10 | NITD10 | NIT10 | 10SA2-550 |
16A • |
44,5mm | A1 | NIT16 | NITD16 | NIT16 | 16SA2-550 |
20A • |
44,5mm | A1 | NIT20 | NITD20 | NIT20 | 20SA2-550 |
25A ◊ | 44,5mm | - | NET25 * | NITD25 | NIT25 | 25SA2 |
32A ◊ | 44,5mm | - | NET32 * | NITD32 | NIT32 | 32SA2 |
2A | 73mm | A2 | TIA2 | 2H07-660 | SSA22 | 2SB3-550• |
4A | 73mm | A2 | TIA4 | 4H07-660 | SSA24 | 4SB3-550• |
6A | 73mm | A2 | TIA6 | 6H07-660 | SSA26 | 6SB3-550• |
10A | 73mm | A2 | TIA10 | 10H07-660 | SSA210 | 10SB3-550• |
16A | 73mm | A2 | TIA16 | 16H07-660 | SSA216 | 16SB3-550• |
20A | 73mm | A2 | TIA20 | 20H07-660 | SSA220 | 20SB3-550• |
25A | 73mm | A2 | TIA25 | 25H07-660 | SSA225 | 25SB3-550• |
32A | 73mm | A2 | TIA32 | 32H07-660 | SSA232 | 32SB3-550• |
35A | 73mm | A3 | TIS35 | - | - | - |
40A | 73mm | A3 | TIS40 | 40K07-660 | SSA340 | 40SB4-550• |
50A | 73mm | A3 | TIS50 | 50K07-660 | SSA350 | 50SB4-550• |
63A | 73mm | A3 | TIS63 | 63K07-660 | SSA363 | 63SB4-550• |
32A | 94mm | A4 | TCP32 | - | SSA432 | - |
40A | 94mm | A4 | TCP40 | - | SSA440 | - |
50A | 94mm | A4 | TCP50 | - | SSA450 | - |
63A | 94mm | A4 | TCP63 | - | SSA463 | - |
80A | 94mm | A4 | TCP80 | 80L14-660 | SSA480 | 80SD5-550• |
100A | 94mm | A4 | TCP100 | 100L14-660 | SSA4100 | 100SD5-550• |
125A | 94mm | - | TFP125 | 125M14-660 | SSFP125 | 125SD6-550• |
160A | 94mm | - | TFP160 | 160M14-660 | SSFP160 | 160SD6-550• |
200A | 94mm | - | TFP200 | 200M14-660 | SSFP200 | 200SD6-550• |
* For use with Switch Fuse Devices, with A1 dimension fixing centres
• 550Vac
◊ 440Vac
Note: The comparative types listed are a guide to interchangeability. There are some minor dimensional differences between manufacturers. The above cross-reference chart is based on comparable voltage and current ratings. It is essential that other performance characteristics are checked to ensure compatibility.
(Information from Red Spot catalogue.)