BK/S501-50-R

Package / Case:	5mm x 20mm
DC Cold Resistance:	157.5 Ohms
Size / Dimension:	0.205" Dia x 0.787" L (5.20mm x 20.00mm)
Color:	--
Operating Temperature:	--
Approvals:	BSI, CCC, CSA, cULus, IMQ, SEMKO, VDE
Melting I²t:	0.0017
Breaking Capacity @ Rated Voltage:	1.5kA
Mounting Type:	Holder
Series:	S501
Response Time:	Fast
Voltage Rating - AC:	250V
Current Rating:	50mA
Fuse Type:	Cartridge, Ceramic
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Fuses: BK/S501-50-R Application Field and Working Principle

Fuses are valuable parts of any electrical system, protecting electrical circuits from dangerous amounts of electricity. Designed to open and break the circuit they protect, fuses come in many different sizes and configurations, depending on their specific uses. The BK/S501-50-R is a 500 Ampere, 50kA rated, ferrule end rated Long-Time-Delay fuse. This fuse is commonly used in the utility, industrial and commercial market.

Applications

The BK/S501-50-R can be used in a variety of applications, including residential and commercial electrical panels, motor circuit protectors, and power distribution and metering systems. This fuse is rated for 600VAC and is often used to protect large loads such as motors and generators from damage that can occur due to overcurrent. This fuse is also used to replace older style fuses in legacy systems.

Working Principle

The BK/S501-50-R fuse works by using a metal strip, called the element, to break the circuit when the current reaches a certain level. The element is connected to two keepers, which maintain the connection between the element and the fuse body. When current is passing through the element, it causes the element to heat up and eventually break, disconnecting the circuit. If the current is too strong, the element will heat up faster and break. If the current is too weak, the element will heat up more slowly and remain intact.

Characteristics

The BK/S501-50-R fuse has many features that make it an ideal choice for high power applications. First, it has a quick response time to protect sensitive loads from dangerous overcurrents. Second, it is designed for long-time delays to reduce nuisance tripping. And finally, it is designed for solderless installation with its ferrule ends and a spring clip keeper.

Conclusion

The BK/S501-50-R fuse is a great choice for high power, long-time-delay protection. It can be used in a wide range of applications, from residential and commercial panels to motor circuit protectors and power distribution and metering systems. This fuse is also renowned for its quick response time and long-time-delay capabilities.

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