PP11-2-4.00A-OA-S

Series:	SNAPAK®
Part Status:	Active
Lead Free Status / RoHS Status:	--
Breaker Type:	Magnetic (Hydraulic Delay)
Moisture Sensitivity Level (MSL):	--
Current Rating:	4A
Number of Poles:	1
Actuator Type:	Push-Pull
Illumination:	--
Illumination Voltage (Nominal):	--
Mounting Type:	Panel Mount

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IntroductionCircuit breakers are a vital part of modern electrical systems, ensuring safe and reliable operation in order to prevent disruptions and major incidents. PP11-2-4.00A-OA-S is a field-proven circuit breaker for outdoor applications, primarily intended for overcurrent protection. It is engineered to conform to IEC 60947 and the appropriate national regulations, ensuring consistent safety and quality.Working principleThe PP11-2-4.00A-OA-S circuit breaker operates on an adjustable time delay principle, which combines current sensitivity with thermal capacity. This means that the circuit breaker is designed to open the trip contacts in the event of an overcurrent and will trip faster with higher values of current. The current setting and the thermal capacity delay are both independently adjustable, giving the user the ability to tweak the circuit breaker’s operation.Applications The PP11-2-4.00A-OA-S is designed for a range of outdoor applications, including those in exposed locations such as highways, railways, solar fields and petrochemical plants. The circuit breaker is particularly suited to overcurrent protection in industrial motor control, transformers and other applications where regular maintenance and service are not practical.Protection featuresThe PP11-2-4.00A-OA-S provides effective protection from thermal overloads arising from unexpected or excessive electrical currents. Its adjustable time delay means that the circuit breaker can be tailored to the application and will trip more quickly with higher values of current, reducing the likelihood of a major incident due to an overload. In addition, the PP11-2-4.00A-OA-S offers a unique terminal safety feature for the safe disconnection of live parts. This helps to ensure that workers can make changes to the system in a safe manner, reducing the risk of injury or death.ConclusionThe PP11-2-4.00A-OA-S is a reliable outdoor circuit breaker designed for a wide range of applications requiring protection from overcurrents. Its adjustable time delay principle combines current sensitivity with thermal capacity, allowing the user to tailor the way it responds to different levels of current. This allows the PP11-2-4.00A-OA-S to provide effective protection from unexpected or excessive electrical currents. In addition, the circuit breaker’s unique terminal safety feature ensures a safe disconnection of live parts when required.

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