PP29-31139-3

Series:	SNAPAK®
Part Status:	Active
Lead Free Status / RoHS Status:	--
Breaker Type:	Magnetic (Hydraulic Delay)
Moisture Sensitivity Level (MSL):	--
Current Rating:	--
Number of Poles:	2
Actuator Type:	Push-Pull Plunger
Illumination:	--
Illumination Voltage (Nominal):	--
Mounting Type:	Panel Mount

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Circuit breakers are an integral part of electrical safety. They are designed to protect electrical systems from current overloads and other potentially hazardous conditions by interrupting the electrical current flow. The PP29-31139-3 application field and working principle of a circuit breaker provide an understanding of how it operates and the times it will open.The PP29-31139-3 application field of the circuit breaker is to be used in alternating current (AC) power systems. Its working principle is to open and provide the required protection under each of the following conditions:1. Short Circuit: This is when the current through the breaker is higher than what is expected for normal operation. The PP29-31139-3 application field can open very quickly and therefore is able to protect from the sudden increase in current.2. Overcurrent: This is caused by too much current flowing through the circuit than what is expected. The breaker opens when the current becomes too high, preventing further damage to the system.3. Ground Fault: This arises when the ground wire in a circuit becomes disconnected. This can also be caused by a short circuit. The PP29-31139-3 will open and interrupt the current to prevent a hazardous condition.The PP29-31139-3 is designed to open on all three of these conditions at the shortest time possible ensuring the best protection of the system. When a condition is detected the breaker will open and the tripping mechanism will allow the contacts to open and break the current flow between the load and the supply side.The operating speed of a PP29-31139-3 is dependent on the level of current that is sensed and the speed at which it is able to open. Generally, the speed is determined based on the type of system in which the breaker is used. The manufacturers of the breaker will provide the appropriate speed ratings.The PP29-31139-3 can be triggered by either the current legs of the circuit or the voltage legs of the circuit. The current legs will detect when there is an over-current situation and will open the breaker, while the voltage legs will detect when there is an increase in the voltage beyond what is normal and open the breaker.The PP29-31139-3 circuit breaker is designed with a contact system consisting of moving and stationary contacts, usually held together by a spring, and is designed to open under specified conditions. The contacts are designed to open when the current and/or voltage exceeds the specified limits of the breaker. When this happens, the arc created by the contact opening will cause the breaker to trip and break the current flow and protect the system.The PP29-31139-3 circuit breaker is designed and tested to meet UL 489 and UL 1066 standards for safety, reliability and operational performance. This breaker is suitable for applications in residential and commercial/industrial facilities in dry and damp locations as specified in the National Electrical Code.The PP29-31139-3 circuit breaker is a reliable and cost-effective solution for circuit protection and overload protection. It is easy to install and delivers reliable performance. The PP29-31139-3\'s standards-compliant design ensures the breaker will open when the established current and/or voltage values for an overload or short circuit condition is detected. This makes the PP29-31139-3 a very good choice for protecting electrical systems.

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