BKS-S505-V-12-R

Package / Case:	5mm x 20mm
DC Cold Resistance:	0.0053 Ohms
Size / Dimension:	0.218" Dia x 0.831" L (5.54mm x 21.10mm)
Color:	--
Operating Temperature:	--
Approvals:	cURus, VDE
Melting I²t:	713.7
Breaking Capacity @ Rated Voltage:	1kA
Mounting Type:	Through Hole
Series:	S505
Response Time:	Slow
Voltage Rating - AC:	250V
Current Rating:	12A
Fuse Type:	Cartridge, Ceramic
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Fuses are a type of electrical device designed to protect wiring and other components from overload or short circuit damage. The BKS-S505-V-12-R is a fuse manufactured by Bussmann that is intended for use in both low-voltage AC circuits and high-voltage DC systems. This device is UL, CSA, Canadian Standards Association and IEC-rated for use in a wide variety of commercial and industrial applications.

Application Field

The BKS-S505-V-12-R fuse is designed for use in both AC and DC systems. Its rated AC voltage is 250VAC, while its rated DC voltage is 600VDC. In AC systems, this fuse can be used to protect primary wiring, as well as secondary branch circuits. It is also suitable for use in DC systems such as DC motors, photovoltaic inverters, uninterruptible power supplies and other high-power DC applications.

Working Principle

A fuse works by providing a path of low resistance for the electric current to follow, surrounded by a larger, more easily broken path. When the voltage running through the circuit exceeds the fuse’s rated limit, the surrounding path will heat up and eventually break, disrupting the current traveling through the fuse and protecting the circuit.The BKS-S505-V-12-R has been UL, CSA, Canadian Standards Association and IEC rated to provide short circuit and overload protection in AC and DC systems. This fuse is designed to carry normal operating loads, and is available with either screw-on terminals or pig-tail connections. The BKS-S505-V-12-R is also designed with a special gas-tube technology, which provides superior protection against electrical surge damage caused by lightning or other eminent domain power fluctuations.

Drawbacks

The main drawback of the BKS-S505-V-12-R is its fairly limited current rating of 12 amps. While this is suitable for many low-voltage AC and high-voltage DC applications, larger circuits may require a larger fuse. If the system draws more than 12 amps, the fuse may become overwhelmed and be unable to protect it.

Conclusion

The BKS-S505-V-12-R is a reliable and efficient fuse designed for use in both AC and DC systems. Its UL, CSA, Canadian Standards Association and IEC ratings make it suitable for a wide variety of commercial and industrial applications. Its gas-tube construction provides superior surge protection, and it is easy to install with either the screw-on terminals or the pig-tail connections. Though its rated current of 12 amps limits its use in larger circuits, it is still an excellent choice for many applications.

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