MJS 250-R TR

Package / Case:	2AG, 5mm x 15mm (Axial)
DC Cold Resistance:	2.54 Ohms
Size / Dimension:	0.217" Dia x 0.591" L (5.50mm x 15.00mm)
Color:	--
Operating Temperature:	-55°C ~ 125°C
Approvals:	CE, CSA, cULus
Melting I²t:	0.41
Breaking Capacity @ Rated Voltage:	200A
Mounting Type:	Through Hole
Series:	MJS
Response Time:	Slow
Voltage Rating - AC:	250V
Current Rating:	250mA
Fuse Type:	Cartridge, Glass
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Mjs 250-R Tr Application Field and Working Principle

Fuses are safety devices that are used in electrical circuits to protect against the flow of excessive current. The MJS 250-R TR is a type of fuse and is used in many electrical circuits to provide reliable and safe protection from current overload.This fuse is a high-speed, time-delay Class RK5 fuse that is ideal for circuits with standard overload protection. It is UL recognized and is perfect for mission-critical applications. This fuse is UL Listed for both AC and Dc applications.The MJS 250-R TR is intended for use as a single-phase branch circuit protection in both residential and commercial applications. It is available in two sizes, 30 amperes and 60 amperes and is compatible with both Class J and Class RK5 fuses. It is UL Listed and tested to meet UL 248-13 with ANSI C37-42-1995 standards.The fuse is designed to provide reliable protection against overcurrent conditions caused by short-circuits, overloads, ground faults, and arcing faults. It is designed for circuits with a voltage rating of 277 volts AC and 125 volts DC. The fuse has a time-delay feature that allows it to withstand up to 10 times the rated current for up to 10 seconds. It is also designed to be used in non-time delay circuit breakers and load centers.The MJS 250-R TR has a Melting Alloy System (MAS) design that allows for quick and reliable operation. The fuse is constructed with a silver wire heated and surrounded by copper and silver alloy. This allows for fast response time when an overload current is detected. The fuse is rated to 125 volts and 250 volts AC, and has a minimum interrupting rating of 10 kiloamperes.The working principle of the MJS 250-R TR is simple. When an overload current is detected, the silver element in the fuse quickly melts as it absorbs heat, causing the current to trip and the power to be disconnected. This portion of the fuse is known as the “element”. The element is then followed by the support bridge, or “spring”. The spring provides support to the fused element and helps to prevent it from further melting.The MJS 250-R TR is one of the most reliable and versatile fuses available on the market today. It is UL Listed and rated for both AC and DC applications, making it a perfect choice for mission-critical applications such as controlling power in electric vehicles. It is available in two sizes to accommodate the needs of both residential and commercial applications. The fuse also provides a reliable start-up for many circuits, thanks to its fast response time and time delay feature.

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