The Siemens 3RT1054-6A is a SIRIUS series industrial magnetic power contactor engineered for reliable switching and control of high-power motors and industrial electrical loads. Featuring a 3-pole configuration with AC-3 operational current rating up to 115A, the contactor is suitable for heavy-duty motor control applications in MCC panels, process automation systems, HVAC equipment, and industrial machinery. The unit operates using a 110–127V AC/DC control coil and provides high electrical durability, robust mechanical construction, and compatibility with Siemens overload relays and auxiliary contact blocks. Designed for industrial environments, the contactor supports bolt-on terminal connections and delivers dependable performance in continuous operation applications.
Specifications
| Specification | Value |
| Product Name | Siemens 3RT1054-6A |
| Brand | Siemens |
| Series | SIRIUS 3RT1 |
| Main Category | Electrical & Lighting |
| Sub-Category | Automations |
| Product Type | Magnetic Contactor |
| Pole Configuration | 3 Pole |
| Main Contacts | 3NO |
| AC-3 Current Rating | 115A |
| AC-1 Current Rating | 160A |
| Coil Voltage | 110–127V AC/DC |
| Frequency | 50/60Hz |
| Motor Rating @ 400V | 55kW |
| Motor Rating @ 460V | 100HP |
| Mounting Type | Panel Mount |
| Terminal Type | Bolt-On / Screw Terminal |
| Auxiliary Contact Compatibility | Yes |
| Mechanical Life | 10 Million Operations |
| Protection Standard | IEC 60947-4-1 |
| Operating Temperature | -25°C to +60°C |
| Application | Motor Control & Industrial Automation |
| Compatible Overload Relay | Siemens 3RB Series |
| Frame Size | S6 |
