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Siemens SENTRON 3VA4120-5ED14-0AA0

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3VA4120-5ED14-0AA0

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The 3VA4120-5ED14-0AA0 from Siemens is a molded case circuit breaker designed for efficient electrical protection. With a rated current of 125 Amperes and operating voltage of 415 Volts AC, this device supports three-phase power applications.

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Technical specifications for 3VA4120-5ED14-0AA0

ManufacturerSiemens
Product TypeMolded Case Circuit Breaker
Product LineSENTRON
Part Number3VA4120-5ED14-0AA0
UPC804766941788
Overcurrent Release Protection FunctionLong-Time and Instantaneous (LI)
Rated Operating Voltage415 Volts AC
Protection ClassIP40 (for the front part)
Connectable Conductor Size14 to 8 American Wire Gauge (AWG)
Adjustable Response Delay Time1 second
Current Rating125 Amperes
Current Breaking Capacity85 kiloamperes at 120 Volts AC, 35 kiloamperes at 277 Volts AC, and 18 kiloamperes at 347 Volts AC
Number of Poles2 poles
Mechanical Service Life15,000 operations
Electrical Service Life8,000 operations
Mounting MethodPlug-in mount
Phase Type3-phase
Maximum Power Loss2.8 Watts
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Siemens presents the 3VA4120-5ED14-0AA0, a molded case circuit breaker from the SENTRON series optimized for high-performance electrical protection. This model supports an electric current rating of 125 Amperes and operates at 415 Volts AC, accommodating 3-phase power systems.

The device includes overcurrent release protection with both long-time and instantaneous features to effectively handle fault conditions. It is designed with an IP40 front protection class, ensuring sufficient resistance to dust and solid objects. This circuit breaker is compatible with conductor sizes ranging from 14 to 8 AWG, facilitating straightforward wiring.

An adjustable response delay time of 1 second allows for customized protection settings as required. The 3VA4120-5ED14-0AA0 provides a notable current breaking capacity of 85 kiloamperes at 120 Volts AC, 35 kiloamperes at 277 Volts AC, and 18 kiloamperes at 347 Volts AC, suitable for a range of applications.

Regarding service life, the circuit breaker ensures durability with a mechanical lifespan of 15,000 operations and an electrical lifespan of 8,000 operations under normal conditions. The plug-in mounting method simplifies installation, enhancing convenience in setup and usage. Meanwhile, the maximum power loss of 2.8 Watts aids in maintaining efficient operation.