IEG111-28642-027-V

Series:	IEG
Part Status:	Active
Lead Free Status / RoHS Status:	--
Breaker Type:	Magnetic (Hydraulic Delay)
Moisture Sensitivity Level (MSL):	--
Current Rating:	--
Number of Poles:	3
Actuator Type:	Lever
Illumination:	--
Illumination Voltage (Nominal):	--
Mounting Type:	Panel Mount

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Introduction

Circuit breakers are electrical safety devices that protect electric circuits from overcurrent and short circuit. They are critical components of electrical systems and are used in homes, businesses, and other facilities to prevent costly damage from current overloads. The IEG111-28642-027-V circuit breaker is a particular type of circuit breaker which is designed to protect motors and other high current draw appliances from dangerous short-circuits and overloads. This article will discuss the application field and working principle of IEG111-28642-027-V circuit breaker.

Application Field

The IEG111-28642-027-V circuit breaker is a motor protection device designed for use with induction motors up to 27 kW. It provides protection against short-circuits, motor overloads, and phase reversal. It is typically installed in high voltage applications such as motor controllers, switchboards, control panels, and other equipment that utilizes induction motors for its operation.

Working Principle

The IEG111-28642-027-V circuit breaker protects the motor from overload by boiling oil that is contained in the breaker unit. As the motor draws more current than the rated value, the fluid in the breaker unit begins to heat up. At a certain point, the heat activates a contact arm, cutting the power to the motor to avoid damage.The IEG111-28642-027-V circuit breaker also includes a phase-reversal trip switch. In the event of reverse connection of phase, the switch trips causing the breaker to open, preventing dangerous current flow in the wrong direction.When the circuit breaker is tripped due to an overload, it will reset itself after the motor reaches its normal running temperature. This is done by a thermal fuse that is built into the unit. Once the motor cools down, the thermal fuse will reset and the circuit breaker will be ready to be used again.

Conclusion

The IEG111-28642-027-V circuit breaker is a specialized breaker designed to protect induction motors from short-circuits, motor overloads, and phase reversal. It is typically installed in high voltage applications such as motor controllers, switchboards, and other equipment utilizing induction motors. The unit operates by overheating fluid in the breaker unit, activating a contact arm to cut power to the motor thereby saving it from damage. The unit also contains a phase-reversal trip switch which will trip the breaker if there is a reversing of phase connection. The breaker will self-reset once the motor cools down.

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