Siemens 3RT1054-2AU36 Power Contactor 115 A, 55 kW, 3-Pole, AC/DC Control Voltage 240–277 V Original Brand New
Siemens 3RT1054-2AU36 power contactor, AC-3e/AC-3 115 A, 55 kW / 400 V, AC (50-60 Hz) / DC Uc: 240-277 V 3-pole, auxiliary contacts 2 NO + 2 NC drive: conventional main circuit: busbar control and auxiliary circuit: spring-loaded terminal
- ConditionOriginal Brand New
- Warranty12 months
Backorder available · Factory lead time 2–3 weeks.
- Genuine Products
- Up to 1-Year Warranty
- Global Shipping
- Secure Payment
- PI / Bank Transfer Available
- Bulk Quote Support
Description
Overview
The Siemens 3RT1054-2AU36 is a high-performance power contactor designed for reliable motor switching in industrial environments. With an AC-3/AC-3e rating of 115 A and power capacity of 55 kW at 400 V, this 3-pole contactor ensures excellent durability and smooth operation in demanding applications. It features 2 NO + 2 NC auxiliary contacts, spring-loaded terminals, and supports both AC (50–60 Hz) and DC control voltages from 240–277 V. Ideal for motor control centers, automation systems, and power distribution.
Benefit
-
Reliable Performance: Engineered for heavy-duty motor switching and long service life.
-
Versatile Control Voltage: Compatible with both AC and DC (240–277 V), ensuring flexible integration.
-
High Switching Capacity: Supports 115 A AC-3e/AC-3 applications for robust industrial use.
-
Easy Installation: Spring-loaded terminals provide secure, maintenance-friendly wiring.
-
Enhanced Safety: Comes with 2 NO + 2 NC auxiliary contacts for additional monitoring and control functions.
-
Optimized for Industrial Systems: Perfect for use in motor control panels and busbar-based power circuits.
Function
-
Motor switching and control
-
Reliable connection via busbar main circuit
-
Auxiliary control functions through built-in NO/NC contacts
-
Smooth operation for high-load electrical systems
-
Suitable for automation, HVAC, pump control, conveyors, and industrial machinery
For more of our high-quality industrial automation products, visit turll.
Specifications
| SKU / Model | 3RT1054-2AU36 |
|---|---|
| Weight | 3.297 kg |
| Dimensions | 129 × 190 × 181 mm |
Need bulk pricing or a hard-to-find part?
Request a quote for project quantities, discontinued or obsolete models, and pro-forma invoice / bank transfer orders. Our sourcing team responds fast.



