
Siemens
- Available:
- 0 pcs.On RequestUpdated at: 11-09-2026
- Offer from:
Trusted supplier — Italy, member since 2021, 10–19 employees
- Warranty:
- 12 months
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The 3VA51 circuit breaker features a thermal-magnetic trip unit and is rated for a maximum breaking capacity of 65kA at 480V, making it suitable for various applications. It operates at a rated current of 20A and is classified under class H with an overload protection setting of Ir=20A and a short-circuit protection setting of Ii=15 x In. The breaker has a compact design with dimensions of 2 x 5.5 x 3.7 inches.
This device is compliant with UL 489 SB standards, particularly for naval applications, and operates effectively at a maximum temperature of 50°C. It does not include lugs and is designed for DIN rail mounting, providing flexibility in installation. The circuit breaker is built as a fixed device and does not come with integrated earth fault protection or under voltage release.

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Datasheet for Siemens 3VA5120-6ED21-1AA0, including specifications and features.
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