Siemens 3RT1056 Power Contactor - 185A, 90kW
Siemens 3RT1056 3-pole power contactor series.
The Siemens 3RT1056 is a series of 3-pole power contactors designed for AC-3e/AC-3 applications, capable of handling up to 185A and 90kW at 400V AC. These contactors offer versatility with various coil voltage options and both conventional and electronic drives. They are typically equipped with 2 NO + 2 NC auxiliary contacts and come with different terminal configurations for the main and control circuits, including screw, spring-loaded, and busbar options.
These contactors are fundamental components in industrial electrical systems, widely used for switching motor loads, power circuits, and in control systems across manufacturing, energy, and infrastructure sectors. Their robust construction ensures reliable performance in demanding industrial environments.
Stanlo Automation, a veteran-owned surplus parts distributor, provides access to a wide range of Siemens 3RT1056 contactors. We ensure that you can find the precise part needed to keep your operations running efficiently, with quick delivery from our extensive inventory.
| AC-3e/AC-3 rating | 185 A |
| Power | 90 kW @ 400 V AC |
| Poles | 3 |
| Auxiliary Contacts | 2 NO + 2 NC |
| Terminal Types | Varies (Screw, Spring-loaded, Busbar) |
| Drive Type | Varies (Conventional, Electronic) |