Series:	LML
Part Status:	Active
Lead Free Status / RoHS Status:	--
Breaker Type:	Magnetic (Hydraulic Delay)
Moisture Sensitivity Level (MSL):	--
Current Rating:	--
Number of Poles:	1
Actuator Type:	Lever
Illumination:	--
Illumination Voltage (Nominal):	--
Mounting Type:	Panel Mount

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Circuit Breakers – LMLC1-1RLS4-33831-15 Application Field and Working Principle

Modern circuit breakers provide an invaluable service of controlling and terminating electrical power. The LMLC1-1RLS4-33831-15 is a high performance circuit breaker designed for use in medium-voltage applications. Understanding the application field and working principle of this breaker is key to ensure its proper installation and long-term operation.

Application

The LMLC1-1RLS4-33831-15 circuit breaker is specifically designed for use in medium-voltage applications ranging from 4 kVolt (kV) to 36 kV, with or without a digital enclosure. This device can be used with indoor and outdoor switchgear up to a maximum short-circuit level of 35 kA. It is suitable for use in overhead, padmount, and substation transformers, motor control centers, and medium-voltage buses. In particular, this circuit breaker is often used by utilities and industries in the following areas:

• MV overhead lines
• Underground MV systems
• Power transformers
• Substations and busbars
• Motor control centers
• Inverter applications

Working Principle

A circuit breaker is an essential electrical safety device. It is designed to protect circuits, wiring, and equipment against damage from excessive current. The LMLC1-1RLS4-33831-15 is designed to interrupt the current flow in the event of a fault or overload. When the flow reaches a certain predetermined point internally, the breaker trips, and the circuit is open.This circuit breaker functions by utilizing magnetic, thermal, and current sensing technology. The device has an electromagnet that is activated when a preset current reaches a certain threshold. This magnetic force trips an armature which shutters the circuit. If the current becomes too high, a thermal element, usually in the form of a bimetallic strip, trips the breaker. The LMLC1-1RLS4-33831-15 is also equipped with a current sensing element that trips the breaker at a pre-set limit.

Conclusion

The LMLC1-1RLS4-33831-15 is a high performance circuit breaker designed for use in medium-voltage applications. With it reasonable pricing and low parts cost, this device is the ideal choice for protecting and terminating electrical power from 4 kV to 36 kV. By understanding the application field and working principle of this breaker, you will be able to ensure its proper installation and long-term operation.

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Part Number	Manufacturer	Price	Quantity	Description