| Product Name | Cooper Bussmann Fast Acting Class T Fuse JJN Fuse |
| Catolog Number | JJN-40 |
| Rated Amperage | 40A |
| Rated Voltage | 300VAC |
| Datasheet | |
| Product Length | 0.88 in |
| Product Diameter | 0.56 in |
| Product Weight | 0.2 lb |
| Class | Class T Fuse |
| Voltage Type | AC, DC |
| Package Type | Standard |
| Breaking Capacity | • 200kA Vac RMS Sym |
| 3D Model; CAD | Contact |
| Agency information | • cULus Listed file No. JDDZ.E4273 • UL 248-15 – Class T Fuses • CSA C22.2 No. 248.15 – Class T Fuses • CE • RoHS compliant |
• Large apartment complexes
• Multi-family meter stacks
• VFD line protection

| JJN-1 | JJN-35 | JJN-110 | JJN-400 |
| JJN-2 | JJN-40 | JJN-125 | JJN-450 |
| JJN-3 | JJN-45 | JJN-150 | JJN-500 |
| JJN-6 | JJN-50 | JJN-175 | JJN-600 |
| JJN-10 | JJN-60 | JJN-200 | JJN-700 |
| JJN-15 | JJN-70 | JJN-225 | JJN-800 |
| JJN-20 | JJN-80 | JJN-250 | JJN-1000 |
| JJN-25 | JJN-90 | JJN-300 | JJN-1200 |
| JJN-30 | JJN-100 | JJN-350 |
• Provides 10X better current limitation to help prevent equipment damage caused by shortcircuit 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.
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).