3RT1075-6AR36

The 3RT1075-6AR36 is a Siemens SIRIUS large contactor with an S12 frame, rated at 400A (AC-3), with a power of approximately 200kW at 400V. The coil is 440-480V AC/DC, and it features 2NO+2NC auxiliary contacts, making it suitable for US standard high-voltage control systems.

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The 3RT1075-6AR36 is a Siemens SIRIUS 3RT10 series S12 large contactor with a coil voltage of 440-480V AC/DC, suitable for applications where the coil is directly driven by a US standard 440V or 480V power supply. Its 400A AC-3 rated current, combined with a robust terminal structure, makes it suitable for heavy-duty switching of large motors and electrical equipment.

Core Product Advantages and Features
S12 Large Stand
The main circuit bus terminal design is suitable for heavy-load, high-current applications.
AC-3 rated 400A
With a power output of approximately 200kW at 400V, it is sufficient to handle the starting load of large motors.
440-480V AC/DC coil
Compatible with US standard high-voltage control power supplies, eliminating the need for an additional step-down transformer.
2NO+2NC auxiliary contacts
Built-in instantaneous auxiliary contact facilitates control circuit linkage and feedback.
High mechanical life
With a switching life of 10 million cycles, it complies with IEC 60947-4-1 standard.
Original manufacturer's authorized warranty
Kenxin Motors is an authorized Siemens distributor, providing genuine products and technical support.
project Specification
series SIRIUS 3RT10
Base size S12
Extreme number 3 poles
AC-3 rated current 400A (400V)
AC-3 rated power Approximately 200kW (400V)
Coil/Operating Voltage 440-480V AC/DC
auxiliary contacts 2NO+2NC Instantaneous Type
Mechanical life 10,000,000 times
External dimensions (height x width x depth) Approximately 214 x 160 x 225 mm
weight Approximately 9.1 kg
Major Certifications IEC 60947-4-1, UL, CSA, CE