Overview
The Siemens 3RT1055-2AU36 is a high-performance power contactor designed for industrial applications requiring reliable switching and control of motors and other heavy electrical loads. Built for durability and efficiency, this 3-pole contactor delivers superior performance in AC and DC applications, with integrated auxiliary contacts for versatile control. Its combination of busbar main circuit and spring-loaded auxiliary terminals ensures fast, secure connections for complex electrical setups.
Key Features & Benefits
High Current Capacity:
-
Rated at 150 A and 75 kW at 400 V AC, suitable for heavy-duty industrial applications.
Flexible Control Options:
-
3-pole design with 2 NO + 2 NC auxiliary contacts for precise control and monitoring.
Reliable Operation:
-
Conventional main circuit ensures stable performance.
-
Busbar design enables easy integration into switchgear setups.
-
Spring-loaded auxiliary terminals provide secure and fast connections.
Versatile Voltage Compatibility:
-
AC-3e/AC-3 operation at 50–60 Hz.
-
DC control voltage up to 240–277 V.
Durable & Efficient:
-
Designed for long service life under demanding industrial environments.
-
Ensures minimal maintenance and high operational efficiency.
Functionality
The Siemens 3RT1055-2AU36 contactor is used for controlling and switching electric motors, resistive loads, and industrial equipment. It is suitable for:
-
Motor starters and control circuits
-
Automation and manufacturing systems
-
Heavy-duty switching applications
-
Auxiliary control integration
For more Siemens SIRIUS products, including contactors, overload relays, and motor control components, visit Turll today and request your competitive quote!












Reviews
There are no reviews yet.