
Siemens
- Disponibile:
- 0 pz.Su richiestaAggiornato il: 08-09-2026
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Fornitore di fiducia — Italia, membro dal 2021, 10–19 dipendenti
- Garanzia:
- 12 mesi
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The 3VA51 circuit breaker is designed for low voltage applications, providing reliable line protection with a thermal-magnetic trip unit. With a rated current of 100A and a standard breaking capacity of 25kA at 277V, this device is suitable for diverse electrical systems. It operates at a maximum voltage of 415V and is classified under UL 489 SB (naval), making it ideal for marine environments where temperatures can reach up to 50°C.
This unit features a fixed overload protection setting at Ir=100A and a short-circuit protection of Ii=10 x In, ensuring robust performance under fault conditions. The dimensions of the device are 1 x 5.5 x 3.7 inches, allowing for integration in compact spaces. Additionally, it has an IP40 degree of protection, ensuring reliability in various operational environments.
The circuit breaker is configured for installation on a DIN rail, facilitating easy mounting. It does not include auxiliary contacts or integrated earth fault protection, simplifying its design for straightforward applications. The device is constructed as a built-in device with fixed built-in technique, ensuring durability and consistent operation.

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