Allicdata Part #: | 486-2693-ND |
Manufacturer Part#: |
0034.7221 |
Price: | $ 0.67 |
Product Category: | Circuit Protection |
Manufacturer: | Schurter Inc. |
Short Description: | FUSE BOARD MOUNT 4A 250VAC RAD |
More Detail: | N/A |
DataSheet: | 0034.7221 Datasheet/PDF |
Quantity: | 95 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
1 +: | $ 0.59850 |
10 +: | $ 0.55692 |
20 +: | $ 0.51786 |
50 +: | $ 0.46607 |
100 +: | $ 0.44018 |
200 +: | $ 0.41429 |
500 +: | $ 0.38840 |
1000 +: | $ 0.36250 |
5000 +: | $ 0.34438 |
Series: | MSTU 250 |
Packaging: | Bulk |
Lead Free Status / RoHS Status: | -- |
Part Status: | Active |
Moisture Sensitivity Level (MSL): | -- |
Fuse Type: | Board Mount (Cartridge Style Excluded) |
Current Rating: | 4A |
Voltage Rating - AC: | 250V |
Response Time: | Slow |
Package / Case: | Radial, Can, Vertical |
Mounting Type: | Through Hole |
Breaking Capacity @ Rated Voltage: | 50A |
Melting I²t: | 67.2 |
Approvals: | cULus |
Operating Temperature: | -40°C ~ 85°C |
Color: | -- |
Size / Dimension: | 0.335" Dia x 0.335" H (8.50mm x 8.50mm) |
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Fuses: 0034.7221 Application Field and Working Principle
The 0034.7221 fuse is a molded circuit breaker fuse type designed to quickly and safely interrupt circuit overloads and short circuits. As with all molded circuit breaker fuses, the 0034.7221 has a certain application field as well as a design that allows it to be filled with various types of fillers to optimize current ratings and voltage withstand ratings.
Application Field
The 0034.7221 can be used in industrial, commercial, or residential applications for overcurrent and short circuit protection. It is fused with the common 0050 Large and PGF020F accessory plug on a molded circuit breaker panel board, where it should be fitted securely and firmly. It is UL-listed for 100 A, 120/240 V application, and has a UL file number E318998 and CSA file number 221959. It is rated for a maximum AC voltage of up to 240V, and a maximum DC voltage of up to 48V with a minimum DC voltage of only 4V.
Working Principle
The 0034.7221 operates like any other fuse. A thin metal strip inside the fuse interrupts current flow when too much electrical current flows through it, causing the metal strip to heat up, melt, and trip the fuse. The 0034.7221 fuse has a special design that prevents the current from flowing excessively and allows the metal strip to cool down, reset, and trip again if needed. This repeated tripping action means the 0034.7221 fuse can provide reliable overcurrent and short circuit protection.
The 0034.7221 also has a higher ampacity or current carrying rating when compared to other fuses in the same family. This comes from its special design, which successfully uses low and high vacuum fillers to optimize current ratings and voltage withstand ratings. Low vacuum fillers used in the fuse help to increase the DC voltage rating, while high vacuum fillers used in the fuse help to increase the AC voltage rating.
Conclusion
The 0034.7221 is a great choice for overcurrent and short protection in industrial, commercial, or residential applications. With its UL and CSA listings and optimized current and voltage ratings thanks to its specialized filling materials, It is one of the best performing fuses in its class, and can provide reliable protection for an extended period of time.
The specific data is subject to PDF, and the above content is for reference
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