T21-62-20.0A-01-31AL-V

Series:	SNAPAK®
Part Status:	Active
Lead Free Status / RoHS Status:	--
Breaker Type:	Magnetic (Hydraulic Delay)
Moisture Sensitivity Level (MSL):	--
Current Rating:	20A
Number of Poles:	2
Actuator Type:	Toggle
Illumination:	--
Illumination Voltage (Nominal):	--
Mounting Type:	Panel Mount

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Circuit BreakersCircuit Breakers are a form of protection that resolves dangerous conditions when too much current is flowing through the system. It is typically used to protect circuit devices against sudden surges of electricity and guard against the risk of fire and electrical shock. The T21-62-20.0A-01-31AL-V is a reliable, safe and economical circuit breaker for domestic, commercial and industrial applications.

Description

The T21-62-20.0A-01-31AL-V is a general purpose circuit breaker highly used for domestic and industrial applications. It is suitable for overload and short circuit protection of circuits of upto 20 amperes. It has various features such as low instantaneous tripping current, a non-removable line terminal, a non-removable plug-in mechanism for earth connection and an adjustable timer for delayed switching and tripping.The T21-62-20.0A-01-31AL-V also boasts of two or three poles and digital trip information. It has adjustable actuation limits and warns of pending damage if it senses an overload or short circuit. The T21-62-20.0A-01-31AL-V is constructed with brass parts and features thermal protection to reduce the temperature of the breaker during extreme operating temperatures. These features make it an appropriate choice for the most difficult applications including the protection of IT or data network equipment.

Working Principle

The T21-62-20.0A-01-31AL-V works by detecting the amount of current present on the circuit and then responding to it by either breaking the circuit or allowing it to continue, depending on the threshold value. In case of an overload or short circuit, the breaker acts by opening a contact between the line and load terminals, thus breaking the current flow.When the current on the circuit reaches the set value, the copper disc embedded within the breaker gets heated due to the flow of current. As it gets heated, the copper disc expands and when it is fully expanded, the contact between the line and load terminal gets opened and the current flow is interrupted.The circuit breaker is designed to reset itself once the current returns to an acceptable value and the copper disc cools down. However, in case of a persistent overload, the breaker will trip and remain closed, shielding the circuit and its sensitive parts from the overload.

Application Field

The robust design and reliable performance of the T21-62-20.0A-01-31AL-V make it suitable for all kinds of industrial, commercial and domestic applications. It is used in houses, factories, offices and even high-traffic sites like airports, shopping malls and hospitals. Its adjustable actuation limits make it a suitable choice to be used for protection of IT or data network equipment as well. The high tripping speed of the breaker makes it ideal for use in automated systems where it can automatically shut off circuits during emergencies or when a short-circuit occurs. It is also effective for maintenance purposes in small power networks.

Conclusion

The T21-62-20.0A-01-31AL-V is a robust and reliable circuit breaker highly used for domestic and industrial applications. It is suitable for overload and short circuit protection of circuits of up to 20 amperes and features low instantaneous tripping currents, adjustable timer and thermal protection. It is designed to cut off or allow the current depending on the value of current detected on the circuit, thus protecting the equipment from overload or short circuit. It is widely used for residential and commercial applications and its adjustable actuation limit makes it suitable for protection of IT or data network equipment as well.

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