
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 3VA52 Circuit Breaker is engineered for low voltage applications, boasting a robust thermal-magnetic trip unit. With a rated current of 225A and a medium breaking capacity classified as Class M, it is well-suited for various industrial environments. The breaker demonstrates exceptional performance with a short-circuit breaking capacity of 18kAIC at 600V and 35kAIC at 480V.
This model is specifically designed without lugs, making it naval rated for operation at temperatures up to 50°C. The dimensions of the breaker are 4.1 x 7.3 x 4.2 inches, allowing for efficient integration into existing setups.
Equipped with the TM230 trip unit, the device features a fixed overload protection setting (Ir) of 225A and an adjustable short-circuit protection setting (Ii) ranging from 5 to 10 times the rated current. It is compliant with UL 489 SB standards for naval applications, ensuring reliable operation under strenuous conditions.

Siemens
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Datasheet for Siemens 3VA5222-5EC31-1AA0, including specifications and features.
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