JJS Limitron™ 600Vac, 1-800A, fast-acting
Class T fuses
Catalog Symbol:
• JJS-(amp)
Description:
Eaton’s Bussmann™ series Limitron™ advanced
protection Class T current-limiting, fast-acting
fuses.
Specifications:
Ratings
• Volts — 600 Vac
• Amps — 1-800 A
• IR — 200 kA Vac RMS Sym.
Agency Information
• UL® Listed, Std. 248-15, Class T, Guide JDDZ,
File E4273
• CSA® Certified, C22.2 No. 248.15, Class 142202,
File 53787
• CE
• RoHS complaint
Features:
• Provides 10X better current limitation to help
prevent equipment damage caused by short-
circuit events.
• 200 kA Interrupting rating complies with NEC®
Section 110.9 for today’s large capacity systems.
• Fast-acting fuse helps prevent equipment
damage caused by short-circuit events.
• Small, space-saving fuses provide a high
degree of current limitation on short-circuits for
excellent component protection.
• Ideal for critical industrial or commercial
applications that have specific current limitation
requirements.
| Catalog numbers (amps)-non-indicating fuses | |||
| JJS-1 | JJS-30 | JJS-90 | JJS-250 |
| JJS-2 | JJS-35 | JJS-100 | JJS-300 |
| JJS-3 | JJS-40 | JJS-110 | JJS-350 |
| JJS-6 | JJS-45 | JJS-125 | JJS-400 |
| JJS-10 | JJS-50 | JJS-150 | JJS-450 |
| JJS-15 | JJS-60 | JJS-175 | JJS-500 |
| JJS-20 | JJS-70 | JJS-200 | JJS-600 |
| JJS-25 | JJS-80 | JJS-225 | JJS-800 |
Carton quantity
| Amp rating | Carton qty. |
| Up to 60 | 10 |
| 70-100 | 5 |
| 110-800 | 1 |
Dimensions – in
Custom designs
Printed circuit board versions available up to 60 amps. Consult your
Bussmann series product representative for details.
UL Component Recognized, Guide JFHR2, File E56412.
Dimensions — in
Recommended fuse blocks*
Dimensions — in
Recommended fuse blocks*
| Fuse amps | 1-Pole | 2-Pole | 3-Pole |
| up to30 | T60030-1_ | T60030-2_ | T60030-3_ |
| 35-60 | T60060-1_ | T60060-2_ | T60060-3_ |
| 70-100 | T60100-1_ | T60100-2_ | T60100-3_ |
| 110-200 | T60200-1_ | - | 1B0089 |
| 225-400 | T60400-1_ | - | |
| 450.600 | T60600-1_ | - |
Time-current curves - average melt
Current-limitation curves
Current-limiting effects
| Prosp. S.C.C. | Let-through current (apparent RMS Sym vs. rating fuse) | |||||||
| - | 15A | 30A | 60A | 100A | 200A | 400A | 600A | 800A |
| 500 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 |
| 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 |
| 5000 | 1000 | 1000 | 1000 | 2000 | 3000 | 4000 | 5000 | 5000 |
| 10,000 | 1000 | 1000 | 1000 | 2000 | 3000 | 6000 | 8000 | 9000 |
| 15,000 | 1000 | 1000 | 2000 | 3000 | 4000 | 7000 | 10,000 | 11,000 |
| 20,000 | 1000 | 1000 | 2000 | 3000 | 4000 | 7000 | 10,000 | 12,000 |
| 25,000 | 1000 | 1000 | 2000 | 3000 | 5000 | 7000 | 11,000 | 13,000 |
| 30,000 | 1000 | 1000 | 2000 | 3000 | 5000 | 8000 | 12,000 | 14,000 |
| 35,000 | 1000 | 1000 | 2000 | 3000 | 5000 | 9000 | 13,000 | 15,000 |
| 40,000 | 1000 | 2000 | 2000 | 4000 | 5000 | 9000 | 13,000 | 15,000 |
| 50,000 | 1000 | 2000 | 2000 | 4000 | 6000 | 10,000 | 14,000 | 17,000 |
| 60,000 | 1000 | 2000 | 3000 | 4000 | 6000 | 10,000 | 16,000 | 18,000 |
| 70,000 | 1000 | 2000 | 3000 | 4000 | 7000 | 11,000 | 17,000 | 19,000 |
| 80,000 | 1000 | 2000 | 3000 | 4000 | 7000 | 11,000 | 17,000 | 20,000 |
| 90,000 | 1000 | 2000 | 3000 | 4000 | 7000 | 12,000 | 18,000 | 21,000 |
| 100,000 | 2000 | 2000 | 3000 | 5000 | 7000 | 12,000 | 19,000 | 22,000 |
| 150,000 | 2000 | 3000 | 4000 | 6000 | 8000 | 14,000 | 22,000 | 25,000 |
| 200,000 | 2000 | 3000 | 4000 | 6000 | 9000 | 16,000 | 24,000 | 28,000 |