| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
Eaton |
FUSE SQUARE 1KA 700VAC RECT |
0 |
|
 |
Eaton |
FUSE SQUARE 1.4KA 700VAC RECT |
0 |
|
 |
Eaton |
FUSE CARTRIDGE 1.5A 600VAC 5AG |
50 |
|
 |
Eaton |
FUSE SQUARE 250A 700VAC RECT |
0 |
|
 |
Eaton |
FUSE SQUARE 450A 700VAC RECT |
0 |
|
 |
Eaton |
FUSE CARTRIDGE 12A 600VAC 5AG |
4 |
|
 |
Eaton |
FUSE CARTRIDGE 50A 750VAC/VDC |
0 |
|
 |
Eaton |
FUSE SQUARE 1KA 700VAC RECT |
0 |
|
 |
Eaton |
FUSE SQUARE 550A 1.3KVAC RECT |
0 |
|
 |
Eaton |
BUSS FUSE WIRE .031 DIA. |
0 |
|
 |
Eaton |
FUSE CARTRIDGE 63A 690VAC |
0 |
|
 |
Eaton |
FUSE SQUARE 40A 700VAC RECT |
0 |
|
 |
Eaton |
FUSE SQUARE 400A 1.3KVAC RECT |
0 |
|
 |
Eaton |
FUSE CARTRIDGE 25A 700VAC/VDC |
0 |
|
 |
Eaton |
FUSE CARTRIDGE 6A 600VAC/150VDC |
17 |
|
 |
Eaton |
FUSE SQUARE 550A 700VAC RECT |
0 |
|
 |
Eaton |
FUSE SQUARE 800A 700VAC RECT |
0 |
|
 |
Eaton |
FUSE SQUARE 500A 700VAC RECT |
0 |
|
 |
Eaton |
FUSE CRTRDGE 600A 600VAC/300VDC |
1 |
|
 |
Eaton |
FUSE SQUARE 450A 1.3KVAC RECT |
0 |
|
Specialty fuses are precision-engineered circuit protection devices designed to safeguard electrical systems under specific abnormal conditions. Unlike general-purpose fuses, these devices offer tailored performance characteristics for specialized applications, including fast response times, high current interruption capabilities, and environmental resistance. Their importance in modern technology stems from their ability to protect sensitive electronics in critical systems such as medical devices, aerospace equipment, and renewable energy systems.
| Type | Functional Features | Application Examples |
| Current-limiting Fuses | Interrupt fault currents within milliseconds using special fillers | Industrial motor drives, power distribution panels |
| Semiconductor Fuses | Maintain I2t values below 10A s for sensitive component protection | Variable frequency drives, battery management systems |
| Resettable Fuses (PTC) | Automatically reset after fault clearance | Consumer electronics, automotive circuits |
| High-voltage Fuses | Rated above 1kV with arc suppression technology | EV charging stations, grid-tied solar inverters |
| Time-delay Fuses | Withstand temporary current surges without tripping | Compressors, transformers, medical imaging equipment |
Typical construction includes: - Ceramic or glass reinforced polymer housing - Silver-plated copper/zinc alloy contacts - Specialized fuse element with controlled melting points - Arc quenching materials (e.g., silica sand) - Temperature-compensated mechanical linkages
| Parameter | Importance | Typical Range |
| Voltage Rating | Defines maximum operating voltage | 32V-15kV |
| Current Rating | Determines normal operation threshold | 0.1A-2000A |
| Response Time | Time to interrupt fault current | 1ms-10s |
| I2t Let-through | Energy withstand capability | 10-1000A s |
| Ambient Temperature Range | Operational environmental limits | -55 C to +125 C |
Primary industries include: - Industrial automation (PLC systems, CNC machines) - Automotive (EV battery protection, ADAS systems) - Renewable energy (solar inverters, wind turbine controls) - Medical equipment (MRI scanners, patient monitors) - Telecommunications (base stations, data center UPS)
| Manufacturer | Representative Product | Key Features |
| Littelfuse | SSL Series | Surface-mount PTC for automotive applications |
| Bussmann | 170M Series | Current-limiting semiconductor fuse |
| Eaton | XLP Plus | High-performance current-limiting fuse |
| TE Connectivity | Mini29 | Compact automotive blade fuse |
Key considerations: 1. Determine circuit voltage/current requirements 2. Analyze fault current characteristics 3. Consider environmental factors (temperature, vibration) 4. Verify compliance with standards (UL/IEC) 5. Evaluate replacement accessibility 6. Calculate required breaking capacity
Emerging developments: - Graphene-enhanced PTC materials for faster response - Integration with IoT-enabled condition monitoring - Miniaturization for 5G infrastructure applications - Environmental compliance with RoHS/REACH standards - Development of hybrid fuse-circuit breaker devices - Increased adoption in EV battery management systems