B57236S0259L002

Series:	--
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
R @ 25°C:	2.5 Ohms
Tolerance:	±15%
Current - Steady State Max:	5.5A
Diameter:	0.453" (11.5mm)
Lead Spacing:	0.197" (5.00mm)
Approvals:	UL

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Inrush Current Limiters (ICL) Inrush Current Limiters (ICL) are devices that protect electronic components from damage due to the inrush of current when power is applied. This sudden burst of current can cause components to fail prematurely, and as such, ICLs play an important role in industrial automation to ensure correct functioning of equipment. The B57236S0259L002 is a type of Inrush Current Limiter (ICL) designed to protect electrical equipment from the effects of high inrush currents.

Application Field

The B57236S0259L002 inrush current limiter is designed primarily for heavy duty motor start up applications, such as air conditioning compressors and motor driven equipment. It is also suitable for use in industrial electrical control panels, as well as power supplies, electronic ballasts, or any other type of major electrical equipment. The B57236S0259L002 can be operated from either AC or DC supplies, and can be mounted on a DIN rail or screw mounted.

Working Principle

The B57236S0259L002 is a thermally controlled inrush current limiter that works by limiting the inrush current to a preset value, allowing the system to start up safely without the risk of overload. This is achieved by using a solid state relay to control the current flow. The solid state relay switches in two stages, first turning on the main contacts fully; then, once the temperature of the unit has increased due to the high current flow, the relay turns off the main contacts partially, thus limiting the current.The rate at which the current is reduced can be adjusted using the sensitivity control dial on the device, and once the inrush current has been reduced to the desired level, the relay automatically turns the main contacts fully back on. This device is also capable of sustaining the limited current for long periods; when the power is switched off, the relay turns off the main contacts fully to prevent any further inrush current.

Conclusion

The B57236S0259L002 is an Inrush Current Limiter (ICL) that can be used to protect electrical components from the effects of high inrush currents. This device works by using a solid state relay to limit the inrush current to a preset value, and the rate of current reduction can be adjusted using the sensitivity control dial. Its ability to sustain the current at the limited level for long periods make it an ideal choice for heavy duty motor start ups and major electrical systems.

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