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Siemens SENTRON 3VA4120-4ED24-0AA0

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3VA4120-4ED24-0AA0

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The Siemens 3VA4120-4ED24-0AA0 is a molded case circuit breaker designed for reliable circuit protection. Rated for 480 volts AC, this device operates with a nominal current of 20 A and can handle short-circuit currents of up to 25 kA.

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Technical specifications for 3VA4120-4ED24-0AA0

ManufacturerSiemens
Product TypeMolded Case Circuit Breaker (MCCB)
Product LineSENTRON
Part Number3VA4120-4ED24-0AA0
EAN4042949064725
UPC804766942662
Trip Unit TypeThermal-Magnetic (TM210 FTFM)
Power LossMaximum 5.6 W
Operating Voltage480 V AC
Short-Circuit Current Rating (Icu @ 480 V AC)25 kA
Breaking Capacity ClassS Class
Number of Poles2 Poles
Rated Current (In)20 A
Overload Protection Setting (Ir)Fixed at 20 A
Short-Circuit Protection Setting (Ii)15 × In
Protection Function of Overcurrent ReleaseLI (Long-time, Instantaneous)
ComplianceUL 489 HID Type: Yes; UL 489 SWD Type: Yes
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The Siemens 3VA4120-4ED24-0AA0 serves as a molded case circuit breaker (MCCB) within the SENTRON series. This unit is engineered to operate seamlessly at a rated voltage of 480 V AC, providing robust protection for electrical systems. It is equipped with a thermal-magnetic trip unit (TM210 FTFM) that combines long-time and instantaneous overcurrent functionalities, ensuring immediate response to fault conditions.

The rated current for this model is fixed at 20 A, while it is designed to manage short-circuit currents up to 25 kA, classified under S Class for breaking capacity. With two poles, it offers straightforward integration into various electrical panels. Power loss for this circuit breaker is rated at a maximum of 5.6 watts, indicating energy efficiency under operational conditions.

Overload protection is set to 20 A, enabling it to safeguard circuits effectively. The short-circuit protection is configured to 15 times the rated current, ensuring significant fault tolerance. Additionally, the compliance with UL 489 HID and SWD types assures users of its reliability and adherence to safety standards. This circuit breaker is an essential component in managing power distribution safely and effectively.