3RT1054-1AV36

The 3RT1054-1AV36 is a Siemens SIRIUS 3RT10 series S6 base contactor, rated at 115A AC-3 and 55kW at 400V. It has 2NO+2NC auxiliary contacts and a coil with a universal AC/DC voltage of 380-420V, making it suitable for high-voltage control power supplies. It is commonly used in the start-up and shut-off control of large water pumps and air compressors.

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Siemens SIRIUS 3RT1054-1AV36 power contactor 380-420V coil

Product Positioning

The 3RT1054-1AV36 is a large power contactor from the Siemens SIRIUS 3RT10 series. It features a 115A, 55kW/400V main circuit capacity in an S6 frame and includes 2NO+2NC auxiliary contacts for interlocking or status feedback. Its operating mechanism uses a 380-420V AC/DC universal coil, directly compatible with the three-phase high-voltage control power supplies commonly found in European equipment, eliminating the need for an additional step-down transformer. It is suitable for power control panels in large motors, wind turbines, or pump systems.

Core Product Advantages and Features

380-420V AC/DC coil

The operating mechanism can be directly driven by a 380-420V AC or DC power supply without the need for additional voltage reduction.

S6 large chassis main circuit

The AC-3 model has a rated current of 115A and a power output of up to 55kW at 400V, making it suitable for large-scale three-phase power control applications.

Standard auxiliary contacts

Built-in 4 sets of instantaneous auxiliary contacts (2NO+2NC) facilitate interlocking circuits and status feedback.

Dual-terminal type

The main circuit uses square terminals, while the control and auxiliary circuits use screw terminals, making wiring and installation convenient.

High-load, durable design

Products in the same series are indicated to withstand voltages ranging from 400V to 690V for different main circuit applications.

Made in Germany

Continuing the consistent quality and international certification foundation of the SIRIUS 3RT10 series

project	Specification
series	SIRIUS 3RT10
Base code	S6
Extreme number	3 poles
AC-3 rated current	115 A
AC-3 Rated Power (400V)	55 kW
auxiliary contacts	2 NO + 2 NC
coil voltage	380-420 V AC/DC (Uc)
Operating mechanism type	Traditional electromagnetic
Main circuit terminals	Square terminal (box terminal)
Control/Auxiliary Terminals	Screw terminals
weight	Approximately 3.59 kg
External dimensions	190×129×181 mm
Origin	Germany

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