Siemens 3VA5 UL Frame 250 Circuit Breaker - 80A, Adjustable Protection
Siemens 3VA5 UL Frame 250 molded case circuit breaker - 80A, adjustable.
The Siemens 3VA5280-5EF31-0AA0 is a 3-pole molded case circuit breaker within the 3VA5 UL Frame 250 series. It offers a breaking capacity class M of 35 kA at 480V. This model utilizes the TM240 trip unit for line protection, providing adjustable overload protection (Ir=63 A to 80 A) and adjustable short-circuit protection (Ii=5 to 10 x In), without connection.
This circuit breaker is suited for applications requiring flexible overcurrent protection settings, especially in systems where selective coordination is important. It is commonly applied in industrial machinery, control systems, and power distribution networks where the ability to fine-tune protection parameters is beneficial.
As a veteran-owned surplus parts distributor, Stanlo Automation offers the Siemens 3VA5280-5EF31-0AA0. We specialize in providing reliable, cost-effective components to keep your automation systems running.
| Manufacturer | Siemens |
| Part Number | 3VA5280-5EF31-0AA0 |
| Series | 3VA5 UL Frame 250 |
| Poles | 3 |
| Breaking Capacity | 35 kA @ 480 V |
| Protection Type | TM240 |
| Overload Protection (Ir) | 63 A - 80 A (adjustable) |
| Short-Circuit Protection (Ii) | 5 x In - 10 x In (adjustable) |
| Connection | Without connection |