3RT1070-6AP36

The Siemens SIRIUS 3RT10 series S12 large-frame power contactor shares the same frame design as the 3RT1075/3RT1076 in the same series. It comes standard with 2NO+2NC auxiliary contacts and screw terminals for main circuit wiring with busbars. It can be installed in various heavy-duty control panels and large motor starting circuits. It has a mechanical life of tens of millions of cycles and is stable and durable.

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Photos of Siemens SIRIUS 3RT1070-6AP36 large power contactor

Product Positioning

The 3RT1070-6AP36 is a Siemens SIRIUS 3RT10 series S12 large-frame power contactor, specifically designed for direct starting and switching of large three-phase motors and high-power loads. Its 220-240V AC/DC wide-range operating coil can accommodate both AC and DC control circuits, significantly simplifying wiring design. Kenxin Motors provides genuine original parts and complete technical consultation services.

Core Product Advantages and Features

S12 large frame design

It belongs to the S12 frame family along with the 3RT1075 and 3RT1076, and has a robust structure, making it suitable for high-power applications.

220-240V AC/DC operating coil

The coil can operate under AC or DC control power, and its operating range covers 0.8 to 1.1 times the rated voltage.

Standard auxiliary contacts

Built-in 2NO+2NC instantaneous auxiliary contacts facilitate loop interlocking and signal feedback.

Busbar main circuit terminals

The main circuit adopts a busbar design with large cross-sectional area conductors, which is conducive to high current wiring.

IEC 60947-4-1 certification

It meets international low-voltage switchgear standards and has stable and reliable quality.

Original factory authorized supplier

Kenxin Motors is an authorized distributor of Siemens, providing genuine products, warranty, and technical support.

project	Specification
series	SIRIUS 3RT10 Large Electric Contactor
Base size	S12
Extreme number	3 poles
Main contact type	3 sets of normally open (NO)
Auxiliary contact	2NO + 2NC instantaneous contact
Operating coil voltage	220...240V AC/DC (UC wide range)
Coil operating range	0.8...1.1 times the rated voltage
Applicable Standards	IEC 60947-4-1
Main circuit wiring method	Connector bus (busbar)
Auxiliary/control circuit terminals	Screw terminals
Mechanical life	Approximately 10 million operation cycles (announced value for the S12 model in the same series)

Recommend

3RT1075-0A

The Siemens SIRIUS S12 large contactor series 3RT1075-0A has a main circuit rated current of 400A and an AC-3 rated current of approximately 200kW. It features a 3-pole main contact with 2 normally open and 2 normally closed auxiliary contacts. Actual shipments are subject to part number subdivision based on coil voltage. Kenxin Motor can assist in confirming the required specifications and procure the corresponding complete part number on your behalf.

3RT1070-6AP30

The Siemens SIRIUS 3RT10 series S12 large-frame power contactor has a coil voltage rating of 220-240V AC/DC. It belongs to the same voltage category as the 6AP36 contactor and inherits the S12 frame design. It comes standard with 2NO+2NC auxiliary contacts and is suitable for use with large motor control panels and high-power power distribution systems. It is of stable original quality.

3RT1070-6AF36

The Siemens SIRIUS 3RT10 series S12 large-frame power contactor has an operating coil voltage of 110-127V AC/DC. Its structure inherits the S12 frame design and comes standard with 2NO+2NC auxiliary contacts and bus main circuit terminals. It is suitable for use with large switchboards and motor starting systems with older 110V control circuits or US standard control power supplies.