Siemens Power contactor, 3-pole, screw, size S3, 45kW, 95A Part number 3RT2046-1AF00

Product Overview

The Siemens SIRIUS 3RT2046-1AF00 is a 3-pole power contactor designed for switching three-phase motors and industrial loads. As part of the SIRIUS 3RT2 contactor family, it provides reliable control of motors and other inductive loads with an AC-3 rated capacity. This contactor features a conventional screw terminal main circuit, an AC coil rated for 110 V AC control voltage, and one normally open (NO) plus one normally closed (NC) auxiliary contact for control and signalling functions. It is suitable for use in industrial automation, motor control centres, and general power distribution applications where dependable switching performance is required.

Key Features

• SIRIUS 3RT2 3-pole power contactor
• Main circuit rated for up to 95 A AC-3 duty
• Motor control rating up to 45 kW at 400 V AC
• Control coil voltage 110 V AC, 50 Hz
• Auxiliary contacts: 1 normally open (NO) + 1 normally closed (NC)
• Screw terminal connections for main and auxiliary circuits
• Compact size S3 for space-efficient panel installation
• Suitable for motor switching and general industrial loads

Technical Specifications

• Article Number: 3RT2046-1AF00
• Product Family: SIRIUS 3RT contactors
• Device Type: Power contactor
• Contact Configuration: 3 main contacts (3 NO)
• Rated Operational Current (AC-3): 95 A
• Rated Motor Power (AC-3): 45 kW at 400 V AC
• Control Coil Voltage: 110 V AC, 50 Hz
• Auxiliary Contacts: 1 NO + 1 NC
• Terminal Type: Screw terminals
• Contactor Size: S3
• Mounting Type: Panel or DIN-rail with appropriate adapter
• Rated Insulation Voltage: 1000 V
• Surge Withstand Voltage: Main circuit 8 kV; auxiliary circuit 6 kV
• Mechanical Endurance: Approx. 10,000,000 switching cycles
• Electrical Endurance: High switching duty capability
• Operating Temperature Range: Standard industrial range
• Protection Class: IP20 when installed

Compliance & Standards

• Designed according to IEC 60947-4-1 for contactors and motor starters
• Suitable for use in industrial automation and motor control systems
• Meets Siemens quality and performance criteria for power switching devices

Applications

The Siemens 3RT2046-1AF00 contactor is used for switching and controlling three-phase motors, compressors, pumps, and other industrial loads in control panels and motor control centres. Its reliable contact system and auxiliary signalling contacts make it suitable for use in automation, power distribution, and machine control applications where safe and dependable switching performance is required.