Siemens 3VA2 IEC Frame 630 Line Protection Circuit Breaker | 400A
Siemens 3VA2440-5HM32-0AA0 3-pole IEC breaker, 400A, 55kA, LIG.
The Siemens 3VA2440-5HM32-0AA0 is a 3-pole, 3VA2 IEC Frame 630 circuit breaker with a breaking capacity of 55 kA at 415 V. It features an ETU330 electronic trip unit designed for line protection, offering LIG (Overload, Instantaneous Short-circuit, Ground-fault) functionality. The breaker has a rated current (In) of 400 A, with adjustable overload protection (Ir) from 160 A to 400 A, and instantaneous short-circuit (Ii) adjustable from 1.5 to 12 x In. It includes ground-fault protection (Ig) adjustable from 0.2 to 1 x In with a time delay (tg) of 0.1/0.3s. It also includes a nut keeper kit.
This circuit breaker is suitable for comprehensive protection in industrial and commercial power distribution systems. Its LIG protection capabilities make it ideal for applications requiring sensitive ground-fault detection in addition to overload and short-circuit protection.
Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3VA2440-5HM32-0AA0. Source reliable and cost-effective surplus automation components from our inventory to keep your operations running efficiently.
| Type | Circuit Breaker |
| Series | 3VA2 |
| Frame Size | 630 |
| Breaking Capacity (Icu) | 55 kA @ 415 V |
| Poles | 3 |
| Trip Unit | ETU330 |
| Protection Functions | LIG |
| Rated Current (In) | 400 A |
| Overload Adjustment (Ir) | 160 A - 400 A |
| Instantaneous Trip Adjustment (Ii) | 1.5 - 12 x In |
| Ground-fault Adjustment (Ig) | 0.2 - 1 x In |
| Ground-fault Time Delay (tg) | 0.1 / 0.3 s |