3RT1046-1B

3RT1046-1B is the basic part number for Siemens SIRIUS S3 frame three-pole contactors. It only indicates the frame and contact configuration. The complete model number needs to be followed by a voltage suffix, such as BB40 for 24VDC and BF40 for 110VDC. The basic specifications are AC-3 rated 95A and power 45kW. It is recommended that customers provide the complete model number for quotation purposes.

Share To

Product image of Siemens SIRIUS 3RT1046-1B contactor (voltage code to be added).

Product Positioning

Upon investigation, "3RT1046-1B" is the basic code for a Siemens SIRIUS S3 frame contactor, indicating only the frame size and main contact configuration. It is not a complete, orderable original part number. The complete model number must include the coil voltage suffix after "1B," for example, 24V DC is 3RT1046-1BB40, and 110V DC is 3RT1046-1BF40. The basic AC-3 model has a rated current of 95A and a power of 45kW. Please confirm the complete part number and coil voltage before ordering.

Core Product Advantages and Features

S3 Standard Framework

Basic Specifications of Medium-Sized Independent Contactors

Voltage suffix needs to be added.

Such as BB40 (24VDC), BF40 (110VDC), etc.

AC-3 95A/45kW

Basic main contact current and power specifications

Three-pole main circuit

Applicable to three-phase power system switching control

It is recommended to confirm the model first.

Avoid purchasing coils with incorrect voltage.

project	Specification
series	SIRIUS 3RT10
Frame size	S3
AC-3 rated current	95 A
AC-1 rated current	120 A
AC-3 Rated Power (400V)	45 kW
Extreme number	3 poles
Common voltage suffixes	BB40=24VDC, BF40=110VDC, BG40=125VDC, BP40=230VDC, BW40=48VDC

Recommend

3RT1046-1BB40

The 3RT1046-1BB40 is a Siemens SIRIUS S3 frame standard three-pole contactor with a rated current of 95A for AC-3 (up to 120A for AC-1), a power of 45kW, a coil voltage of 24V DC, a threaded terminal design, and a weight of approximately 2.8 kg. It is suitable for the on/off control circuits of medium to large motor control panels.

3RT1046-1AN20

The Siemens SIRIUS 3RT1046-1AN20 power contactor features a 3-pole design, AC-3 rated current of 95A, 45kW output at 400V, 220V AC coil drive, screw terminal connection, and a robust S3-size mechanism. It is suitable for direct starting of medium and large motors and various power control applications, ensuring stable and reliable operation.

3RT1036-1BD40

The Siemens SIRIUS 3RT1036-1BD40 power contactor features a 3-pole design, AC-3 rated current of 50A, 22kW output at 400V, 42V DC coil drive, screw terminal connection, S2 size, no built-in auxiliary contacts, and is suitable for direct starting of medium-sized motors and integration into industrial control systems.