
Siemens
- Available:
- 0 pcs.On RequestUpdated at: 05-09-2026
- Offer from:
Trusted supplier — Italy, member since 2021, 10–19 employees
- Warranty:
- 12 months
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The 3VA12 circuit breaker is a low voltage device that features a thermal-magnetic trip unit, suitable for various applications demanding reliable protection. With a rated current of 250 A and a breaking capacity of 36 kA at 415 V, this 4-pole breaker ensures robust line protection. The TM240 trip unit includes adjustable overload protection settings, allowing for customization based on operational requirements.
This unit also incorporates a 50% neutral protection feature, enhancing safety in electrical installations. Connection is facilitated through a lug terminal with a nut keeper, ensuring secure and efficient installation. The device dimensions are 5.5 x 6.2 x 3.5 inches, making it suitable for integration in confined spaces.
Notably, the circuit breaker is built to comply with IEC standards and is designed for a rated voltage of 690 V. It operates with a degree of protection rated at IP40, offering adequate resistance against dust and moisture. The device is not suitable for DIN rail mounting and does not include an integrated under-voltage release or earth fault protection.

Siemens
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Datasheet for Siemens 3VA1225-4FF42-0AA0, including specifications and features.
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