The Siemens 3RT2046-1AG20 is a robust and reliable SIRIUS 3RT2 Series power contactor designed for demanding motor control and industrial automation applications. Built for AC-3 duty, this 3-pole contactor delivers a rated operational current of 95A and is capable of switching three-phase motors up to 45kW at 400V, making it suitable for pumps, compressors, conveyors, blowers, fans, HVAC systems, and heavy-duty industrial machinery.
Equipped with a 110V AC, 50/60Hz operating coil (Variant AG20), the 3RT2046-1AG20 provides dependable switching performance and long service life in industrial environments. The contactor features 3 Normally Open (3NO) main contacts along with 1 Normally Open (1NO) + 1 Normally Closed (1NC) integrated auxiliary contacts, enabling efficient motor control, signaling, monitoring, and interlocking functions without requiring additional accessories.
Manufactured in the rugged S3 frame size, the contactor utilizes durable screw terminal connections that ensure secure wiring, simplified installation, and easy maintenance. Its compact design allows seamless integration into motor control centers (MCCs), electrical control panels, OEM equipment, process automation systems, and manufacturing facilities.
Designed according to Siemens SIRIUS quality standards, the 3RT2046-1AG20 offers a rated insulation voltage of up to 1000V, high electrical endurance, and a mechanical service life of up to 10 million operating cycles. These features ensure reliable operation and reduced maintenance costs throughout the product lifecycle.
The integrated 1NO + 1NC auxiliary contacts help optimize panel space and reduce wiring complexity, while compatibility with Siemens overload relays, auxiliary contact blocks, surge suppressors, and motor starter accessories provides flexible motor control solutions for industrial applications.
As part of the trusted Siemens SIRIUS 3RT2 contactor family, the 3RT2046-1AG20 delivers dependable motor switching performance, operational efficiency, and seamless integration with modern automation and control systems.
| Specification | Details |
|---|---|
| Product Name | Power Contactor |
| Brand | Siemens |
| Series | SIRIUS 3RT2 |
| Model Number | 3RT2046-1AG20 |
| SKU | 3RT2046-1AG20 |
| Product Type | Power Contactor |
| Utilization Category | AC-3 |
| Rated Operational Current (AC-3) | 95 A |
| Motor Rating at 400V | 45 kW |
| Number of Poles | 3 Pole |
| Main Contacts | 3 NO |
| Auxiliary Contacts | 1 NO + 1 NC |
| Coil Voltage | 110 V AC |
| Coil Frequency | 50/60 Hz |
| Coil Variant | AG20 |
| Frame Size | S3 |
| Terminal Type | Screw Terminals |
| Rated Insulation Voltage (Ui) | 1000 V |
| Protection Class | IP20 |
| Mechanical Life | Up to 10 Million Operations |
| Mounting Type | Panel Mount |
| Operating Temperature | -25°C to +60°C |
| Application | Motor Control & Industrial Switching |
| Product Family | Siemens SIRIUS Contactors |
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