APGN66-21076-2

Series:	APG
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Breaker Type:	Magnetic (Hydraulic Delay)
Moisture Sensitivity Level (MSL):	--
Current Rating:	--
Number of Poles:	2
Actuator Type:	Toggle
Illumination:	--
Illumination Voltage (Nominal):	--
Mounting Type:	Panel Mount

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Introduction

Circuit breakers are electrical devices that are used to interrupt electrical circuits when current levels exceed operational limits. They are used to protect electrical equipment from damage due to overloading or short circuits. An APGN66-21076-2 is an example of a circuit breaker. This article will discuss the application field and working principle of the APGN66-21076-2 Circuit Breaker.

Application Field

The APGN66-21076-2 Circuit Breaker is designed for indoor and outdoor use in low voltage AC and DC circuits. It has the ability to break short circuit currents of up to 8,000 Amps. The breaker is design-certified for operation in the following applications:• Low voltage building systems• Process control systems• Motor starting and protection• Uninterruptible power supply (UPS) systemsThe APGN66-21076-2 is well-suited for use in commercial, industrial, and residential settings. It is an ideal choice for protecting sensitive components such as computers, motors, and other electronic equipment from damage due to overcurrent events.

Working Principle

The APGN66-21076-2 Circuit Breaker uses a thermal-magnetic trip unit to protect against overcurrent events. The thermal-magnetic trip unit features an integrated current and voltage sensor that continuously monitors the status of the circuit. When an overcurrent event is detected, the unit triggers the circuit breaker to trip and open the circuit, preventing further damage to the equipment.The trip unit is able to detect two distinct types of overloads: short circuit currents and prolonged, continuous overcurrents. Short circuit currents cause the breaker to trip almost instantly, while prolonged, continuous overcurrents cause the breaker to trip after a set amount of time. This time-delay feature allows the breaker to remain open until the overcurrent event has been resolved.

Conclusion

The APGN66-21076-2 Circuit Breaker is designed to provide efficient, reliable protection against overcurrent events in both AC and DC low voltage electrical circuits. It is well-suited for use in both commercial and residential settings, and can handle short circuit currents of up to 8,000 Amps. The breaker’s integrated thermal-magnetic trip unit is able to detect both short circuit and continuous overloads and open the circuit to prevent further damage.

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