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Siemens SENTRON 3VA5225-5ED31-0AA0

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3VA5225-5ED31-0AA0

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The Siemens 3VA5225-5ED31-0AA0, a molded case circuit breaker (MCCB), is designed to provide reliable protection for electrical systems. This unit features a rated operational current of 250 A and can operate under an AC voltage of up to 690 V and a DC voltage of 500 V.

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Technical specifications for 3VA5225-5ED31-0AA0

ManufacturerSiemens
Product TypeMolded Case Circuit Breaker (MCCB)
Product LineSENTRON
Part Number3VA5225-5ED31-0AA0
UPC804766308185
Protection Function of ReleaseLI (Long-time, Instantaneous)
Design of Overcurrent ReleaseTM210 (Thermal-Magnetic)
Interrupt Rating (Icu at 480 V AC)35 kA
Rated Frequency50/60 Hz
Rated Operational Voltage (Ue) DC500 V
Rated Operational Voltage (Ue) ACUp to 690 V
Rated Insulation Voltage (Ui)800 V
Number of Poles3 Poles
Breaking Capacity ClassM (35 kA @ 480 V AC)
Short-Circuit Protection (Ii)10 × In
Overload Protection (Ir)250 A Permanently Set
Rated Operational Current (In)250 A
Frame Size250 A
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The Siemens 3VA5225-5ED31-0AA0 belongs to the SENTRON series and serves as a molded case circuit breaker. It is engineered to offer robust protection in various applications. This MCCB is rated for operational currents of 250 A, ensuring its efficiency in handling electrical loads without diminishing performance.

The circuit breaker operates at a maximum AC voltage of 690 V and a DC voltage of 500 V, while its rated insulation voltage stands at 800 V, allowing for substantial flexibility within electrical systems.

With three poles incorporated into its design, this device employs a thermal-magnetic release mechanism (TM210) that combines both long-time and instantaneous protection functions, making it an effective solution for diverse scenarios. This unit features a breaking capacity class of M, rated at 35 kA for AC voltages up to 480 V, showcasing its ability to interrupt fault currents efficiently and reliably.

Additionally, the short-circuit protection is rated at 10 times the nominal current (Ii), which enhances its safeguarding capabilities against overcurrents. With an overload protection permanently set at 250 A, the 3VA5225-5ED31-0AA0 circuit breaker provides essential reliability for electrical safety, making it an ideal component for a variety of installations.