BK1/ABC-7-R

Response Time:	Fast
DC Cold Resistance:	0.016 Ohms
Size / Dimension:	0.250" Dia x 1.250" L (6.35mm x 31.75mm)
Color:	--
Operating Temperature:	--
Approvals:	CSA, UL
Melting I²t:	109.33
Breaking Capacity @ Rated Voltage:	200A AC, 10kA DC
Mounting Type:	Holder
Package / Case:	3AB, 3AG, 1/4" x 1-1/4"
Series:	ABC
Voltage Rating - DC:	125V
Voltage Rating - AC:	250V
Current Rating:	7A
Fuse Type:	Cartridge, Ceramic
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Fuses: BK1/ABC-7-R Application Field and Working Principle

Fuses are devices used to stop electric current in the event of an overload or short circuit. This article will explain what application field and working principles comprise the BK1/ABC-7-R fuse.

Application Field

The BK1/ABC-7-R fuse is best suited for HVAC, residential, and commercial power distribution systems. It should be noted that its use should be limited to applications with a nominal voltage of 600 volts or less.What sets this fuse apart from other fuses is that it can be mounted in either a standard-duty or heavy-duty power distribution panel. It comes in a variety of sizes ranging from one-eighth inch to one-half inch.

Working Principle

The main purpose of any fuse is to protect equipment and wiring from damage or destruction due to an overload or short circuit. The BK1/ABC-7-R fuse works on the principle of heating and melting.When an overload or short circuit occurs, the current passing through the fuse element exceeds the fuse’s rated current, thus causing the fuse element to heat up. This heat eventually causes the elements in the fuse to melt and the current flow is stopped until the circuit can be reset.The BK1/ABC-7-R fuse also has a secondary feature called current limiter. This feature helps to limit the amount of current that is allowed to pass through the fuse. This is helpful in preventing damage to the connected equipment and wiring due to excessive electrical current.

Conclusion

The BK1/ABC-7-R fuse is a reliable and effective tool for providing overload and short circuit protection in HVAC, residential, and commercial power distribution systems. Its working principle of heating and melting is highly effective in stopping current flow when an overload or short circuit occurs. The current limiter feature offers an additional level of protection by limiting the amount of current that is allowed to pass through the fuse. Overall, the BK1/ABC-7-R fuse is an effective and reliable means of providing protection to electrical systems.

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