Siemens 3VA5140-4EC31-0AA0 25kA Circuit Breaker
Siemens 3VA5 Series 3-Pole Molded Case Circuit Breaker.
The Siemens 3VA5140-4EC31-0AA0 is a 3-pole molded case circuit breaker with a 125A frame size and a nominal current (In) of 40A. It offers a breaking capacity of 25 kA at 480V and features TM230 protection with an FTAM trip unit. The overload protection (Ir) is set at 40A, and the short-circuit protection (Ii) is adjustable from 5 to 10 times the nominal current.
This circuit breaker is designed for general-purpose line protection in various industrial and commercial settings. Its applications include protecting distribution circuits, smaller motor loads, and equipment where a 25 kA interrupting rating is sufficient. It is a reliable choice for manufacturing plants, building services, and machinery applications.
As a veteran-owned surplus parts distributor, Stanlo Automation is your trusted source for the Siemens 3VA5140-4EC31-0AA0. We offer competitive pricing and quick shipping to ensure your automation systems remain operational.
| Manufacturer | Siemens |
| Part Number | 3VA5140-4EC31-0AA0 |
| Frame Size | 125 |
| Poles | 3 |
| Rated Current (In) | 40A |
| Breaking Capacity | 25 kA @ 480V |
| Protection Type | TM230, FTAM |
| Overload Setting (Ir) | 40A |
| Short Circuit Setting (Ii) | 5...10 x In |
| Standards | UL 489 |