The Siemens 3RT2344-1AV00 is a robust SIRIUS 3RT2 Series power contactor engineered for reliable switching of industrial loads and power circuits. Designed as a 4-pole contactor with a 110A AC-1 rating, this device is ideal for switching resistive loads, heating systems, lighting circuits, power distribution applications, and industrial automation systems. It features a 400V AC, 50Hz operating coil, integrated 1 NO + 1 NC auxiliary contacts, and secure screw terminal connections for dependable installation and operation.
Built in Size S3, the 3RT2344-1AV00 delivers high switching performance while maintaining compact dimensions suitable for industrial control panels and motor control centers. The 4-pole configuration provides flexibility for controlling multiple circuits simultaneously, making it suitable for HVAC systems, process automation, manufacturing plants, and power switching applications.
The contactor includes 1 Normally Open (NO) and 1 Normally Closed (NC) auxiliary contact as standard, enabling signaling, interlocking, status monitoring, and control circuit integration without requiring additional accessories. This reduces panel space requirements and simplifies wiring.
Designed according to Siemens SIRIUS quality standards, the 3RT2344-1AV00 offers a rated control voltage of 400V AC, excellent switching durability, and reliable operation in demanding industrial environments. The device supports operating temperatures from -25°C to +60°C, ensuring dependable performance across a wide range of industrial applications.
The screw terminal connection system provides secure conductor termination and simplified maintenance, making installation fast and reliable. With its rugged construction, high operational reliability, and long service life, the 3RT2344-1AV00 is suitable for electrical panels, industrial machinery, OEM equipment, process control systems, and building automation installations.
As part of the trusted Siemens SIRIUS contactor family, the 3RT2344-1AV00 delivers dependable power switching, efficient control performance, and seamless integration with Siemens industrial control and automation components.
| Specification | Details |
|---|---|
| Product Name | Power Contactor |
| Brand | Siemens |
| Series | SIRIUS 3RT2 |
| Model Number | 3RT2344-1AV00 |
| SKU | 3RT2344-1AV00 |
| Product Type | Power Contactor |
| Application Category | AC-1 |
| Rated Operational Current | 110 A |
| Number of Poles | 4 Pole |
| Main Contacts | 4 NO |
| Auxiliary Contacts | 1 NO + 1 NC |
| Rated Control Voltage | 400 V AC |
| Frequency | 50 Hz |
| Coil Variant | AV00 |
| Terminal Type | Screw Terminals |
| Frame Size | S3 |
| Rated Insulation Voltage (Ui) | 1000 V |
| Operating Temperature | -25°C to +60°C |
| Mounting Type | Panel Mount |
| Standards | CE, UL, UKCA |
| Product Family | Siemens SIRIUS Contactors |
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