3RT1076-6AB36

The 3RT1076-6AB36 is a Siemens SIRIUS large contactor with an S12 frame, rated at 500A (AC-3), with a power of approximately 250kW at 400V. The coil uses 23-26V low-voltage AC/DC, and it comes standard with 2NO+2NC auxiliary contacts, suitable for heavy-duty motor switching control.

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Siemens 3RT1076-6AB36 SIRIUS S12 Large Contactor Product Image

Product Positioning

The 3RT1076-6AB36 is the low-voltage coil version of the Siemens SIRIUS 3RT10 large contactor. Its 500A AC-3 rated current is sufficient for the frequent start-stop of large motors and electrical equipment. The 23-26V low-voltage coil design allows for direct use with PLCs or low-voltage control power supplies, and its robust and durable construction makes it ideal for applications such as PLCs and low-voltage control power supplies.

Core Product Advantages and Features

S12 Large Stand

The main circuit terminals are connected via busbars/bolts, suitable for high-current applications.

AC-3 rated 500A

With a power output of approximately 250kW at 400V, it is capable of handling the starting load of large motors.

23-26V low voltage coil

Suitable for driving with low-voltage AC/DC signals, simplifying control power supply design.

2NO+2NC auxiliary contacts

Built-in instantaneous auxiliary contact facilitates linkage control and status display.

Long mechanical life

With a switching life of 10 million cycles, it complies with IEC 60947-4-1 specifications.

Can be equipped with overload protection

3RB20 series electronic overload relays can be directly installed to enhance motor protection.

project	Specification
series	SIRIUS 3RT10
Base size	S12
Extreme number	3 poles
AC-3 rated current	500A (400V)
AC-3 rated power	Approximately 250kW (400V)
Coil/Operating Voltage	23-26V AC/DC
auxiliary contacts	2NO+2NC Instantaneous Type
Mechanical life	10,000,000 times
Protection level	IP00 (with IP20 cap)
External dimensions (height x width x depth)	Approximately 214 x 160 x 225 mm
weight	Approximately 10.5 kg
Major Certifications	IEC 60947-4-1, UL, CSA, CE

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3RT1076-6AB36-WH

The 3RT1076-6AB36-WH belongs to the Siemens SIRIUS large contactor family. It has an S12 frame, AC-3 rated current of 500A, and a power output of approximately 250kW at 400V. The coil is a 23-26V low-voltage AC/DC coil. It features 2NO+2NC auxiliary contacts and is suitable for low-voltage control applications.

3RT1076-0LA06

The 3RT1076-0LA06 is based on the Siemens SIRIUS 3RT10 large contactor with an S12 frame. It has an AC-3 rated current of 500A and an output power of approximately 250kW at 400V. The main circuit uses a 3-pole design. Due to limited information regarding the model suffix, it is recommended to confirm the actual specifications with a specialist before placing an order.

3RT1076-0AP36

3RT1076-0AP36 is a Siemens SIRIUS 3RT10 large contactor with an S12 frame, rated current of 500A (AC-3), and power of approximately 250kW at 400V. It features a 3-pole design in the main circuit. Publicly available technical information for this part number is limited; it is recommended to confirm the actual coil voltage and other details with a specialist before placing an order.