3RT1055-1AF36

Image of Siemens 3RT1055-1AF36 SIRIUS large contactor
Image of Siemens 3RT1055-1AF36 SIRIUS large contactor

The 3RT1055-1AF36 is a Siemens SIRIUS 3RT10 series S6 large three-pole contactor with an AC-3 rated current of 150A, a rated power of 75kW (400V), and a coil voltage of 110-127V AC/DC. It is suitable for high-current switching applications such as motor starting, mechanical equipment control, and industrial switchboards.

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Image of Siemens 3RT1055-1AF36 SIRIUS large contactor
Product Positioning

The 3RT1055-1AF36 is a member of the Siemens SIRIUS 3RT10 large contactor series. Its three-pole main contacts provide heavy-load switching capability of AC-3 rated 150A and 75kW. The 110-127V AC/DC coil design is widely applicable to various industrial control power supplies, commonly found in motor starting circuits, production equipment, and main circuits of large switchboards.

Core Product Advantages and Features
S6 Large Tri-Pole Main Contacts
The AC-3 is rated at 150A and 75kW (400V), suitable for switching between large motors and heavy-duty mechanical equipment.
110-127V AC/DC coil
The coil can operate stably under 110-127V AC or DC power supply, making it convenient to match the field control voltage.
Sturdy and durable structure
The mechanism is designed to withstand long-term, high-frequency operation and has excellent operational stability.
Suitable for heavy-duty applications
The main contact design is sufficient to handle the main circuit switching requirements of large three-phase motors and production equipment.
International safety certification
It meets multiple international safety standards and is suitable for export machines and power distribution systems in multinational factories.
Kenxin Motor Authorized Supplier
We provide original manufacturer authorized parts and assist customers in confirming the correct coil voltage specifications.
project Specification
brand Siemens
series SIRIUS 3RT10
model 3RT1055-1AF36
Case size S6
Extreme number 3-pole (3P)
AC-3 rated current 150 A (400V)
AC-3 rated power 75 kW (400V)
Coil/Control Voltage 110...127 V AC/DC
External dimensions (height × width × depth) Approximately 172×120×170 mm
Mechanical life Approximately 10 million times
Ambient temperature -25℃ to +60℃

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3RT1055-1AP36

The 3RT1055-1AP36 is a Siemens SIRIUS 3RT10 series S6 large three-pole contactor with AC-3 rated current of 150A, rated power of 75kW (400V), and coil voltage of 220-240V AC/DC. It is suitable for starting large motors and switching the main circuit of production equipment and industrial switchboards.