
Siemens
- Available:
- 0 pcs.On RequestUpdated at: 02-09-2026
- Offer from:
Trusted supplier — Italy, member since 2021, 10–19 employees
- Warranty:
- 12 months
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The 3VA51 molded case circuit breaker is designed for low voltage applications, featuring a thermal-magnetic trip unit model TM230. It operates at a rated current of 45A with a high breaking capacity of 65kA at 480V. This device is constructed as a 4-pole circuit breaker, suitable for line protection in various industrial settings.
Dimensions for this model are 4 inches in width, 5.5 inches in height, and 3.7 inches in depth. The frame is rated for a maximum voltage of 690V and includes features such as overload protection with a fixed current setting of 45A. It does not include lugs and is designed for installation without connection for the main current circuit.
Additionally, this circuit breaker has an IP40 protection class, ensuring safe operation in environments with moderate exposure to dust. It can endure a wide range of operational temperatures, from -25 °C to 70 °C, and is built to last with a mechanical service life of approximately 20,000 operating cycles.

Siemens
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Datasheet for Siemens 3VA5145-6EC41-0AA0, including specifications and features.
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