JJS (600 V) Class T Limitron fast-acting fuses
Ratings:
JJS 600 Vac (or less)
Amps
JJS 1-800 A
Agency information
UL Listed, Std 248-15, Class T, Guide JDDZ, File E4273, CSA
Features
Series combination ratings with branch circuit breakers allows
broad range of coverage, independent of breaker manufacturer
Current limitation for non-inductive circuits provides Class T
current-limiting response to maximum ground fault and short-
200 kA interrupting rating provides protection for virtually all circuit
ocations
Small footprint allows more efficient use of panel space
600 V JJS
| Amp range | A | B | C | D |
| Up to 30 | 1.50 (38) | 0.56 (14) — — | ||
| 35-60 | 1.56 (40) | 0,81 (21) | — | — |
| 70-100 | 2.95 (75) | 0.75 (19) | 2.36 (60) | 1.64 (42) |
| 110-200 | 3.25 (83) | 0.88 (22) | 2.50 (64) | 1.66 (42) |
| 225-400 | 3.63 (92) | 1.00 (25) | 2.72 (69) | 1.73 (44) |
| 450-600 | 3.98 (101) | 1.25 (32) | 2.96 (75) | 1.78 (45) |
| 601-800 | 4.33 (110) | 1.75 (45) | 3.17 (81) | 1.88 (48) |
Very fast-acting, current-limiting 300 V (JJN) and 600 V (JJS) Class T
fuse. dimensions

Fuse class/ size | Catalog symbol* | Amp range | Fuse blocks** | DIN—Rail holders** | In-line holders** | Panel mount holders** | Open center blocks** |
| 600 V Class T | JJS | Up to 60 | T600 (8-37) | — | — | — | — |
| 70-100 | T60100 (8-37) | BH-0111 (8^39) | |||||
| 110-200 | T60200 (8-37) | BH-1132 (8-39) | |||||
| 250-400 | T60400 (8-37) | BH-1133 (8-39) | |||||
| 450-600 | T60600 (8-37) | BH-3144 (8-39) |
Catalog no. (amps)
| 600 V JJS | |||
| 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 | JJSY00 |
| 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 |
Bussmann Fuse, Semiconductor Fuse, Time Delay Fuse, High Speed Fuse, Class J Fuse, Class T Fuse, Class cc fuse, Class RK1 Fuse, Class RK5 Fuse, Class L Fuse, DC Contactor, Disconnect Switch, Car Fuse, Current Limiting Fuse, HV Fuse, Bussmann Fuse Holder, AC Fuse, DC Fuse
You can ask any Bussmann fuse and fuse cross reference(Littelfuse, Mersen, etc).