3RT1054-0LA06

The 3RT1054-0LA06 is a Siemens SIRIUS S6 frame three-pole contactor series. The LA06 model has a coil voltage of 400V AC, an AC-3 rated current of 115A, and a power of 55kW. It has 2NO+2NC auxiliary contacts and is suitable for large motor control applications where the coil is directly driven by the main circuit voltage.

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Siemens SIRIUS 3RT1054-0LA06 power contactor product image

Product Positioning

The 3RT1054 series LA06 encoder features a 400V AC coil, allowing direct use of the main circuit power supply to drive the contactor coil, eliminating the need for an additional control transformer. The AC-3 model has a rated current of 115A and a power of 55kW, with built-in 2NO+2NC auxiliary contacts, making it suitable for direct-start control panels for large three-phase motors. It is a practical option within the SIRIUS S6 frame family.

Core Product Advantages and Features

400V AC coil

It can be directly driven by the main circuit power supply, eliminating the need for an additional control transformer.

AC-3 115A/55kW

Meets the starting load requirements of large three-phase motors

2NO+2NC auxiliary contacts

Facilitates control of indicator lights, protection circuits, etc.

S6 large frame

Robust structure, resistant to long-term frequent opening and closing

Three-pole main circuit

Applicable to direct switching of three-phase power systems

project	Specification
series	SIRIUS 3RT10
Frame size	S6
Coil voltage (same type LA06 code)	400V AC
AC-3 rated current	115 A
AC-3 Rated Power (400V)	55 kW
Extreme number	3 poles
Auxiliary contact	2NO+2NC

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