
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 1P 125A 50KA FTFM Circuit Breaker is a low voltage molded case circuit breaker featuring a thermal-magnetic trip unit. With a high breaking capacity classified as Class H, this device is rated for 125A current and is suitable for 1-pole applications. It supports a breaking capacity of 14kAIC at 347V and 50kAIC at 277V, ensuring reliable performance under various conditions.
Equipped with a TM210 trip unit, the breaker includes fixed overload protection settings at 125A (Ir) and short-circuit protection at 10 times the rated current (Ii). This unit does not include lugs and measures 1 x 5.5 x 3.7 inches in dimensions. The circuit breaker is designed for fixed built-in applications and is adaptable for DIN rail mounting.
Notably, it has a degree of protection rated at IP40, ensuring adequate resistance against dust and moisture. It does not have integrated earth fault protection or an under voltage release. The rated short-circuit breaking capacity at 400V and 50Hz is 5kA, providing essential line protection.

Siemens
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Datasheet for Siemens 3VA5112-6ED11-0AA0, including specifications and features.
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