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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RT1044-1AP00 |
| Alternative Part Number | 3RT10441AP00 |
| Manufacturer | Siemens |
| Product Type | Power Contactor |
| Number of Main Contacts | 3 Normally Open (NO) |
| Operational Current | AC-1: 100 A at 400 V, AC-3: 65 A at 400 V |
| Control Voltage | 230 V AC (Control) |
| Frequency | 50 Hz |
| Contactor Size | S3 |
| Connection Type | Screw Connection |
| Rated Operational Power | AC-3: 30 kW / 400 V |
| Protection Class | IP20; IP00 |
| Ambient Operating Temperature | -25 … +60 °C |
| Mechanical Operating Cycles | Typical 10,000,000 |
| Insulation Voltage | Rated value 1,000 V |
| Surge Voltage Resistance | Rated value 6 kV |
| Installation Altitude | Maximum 2,000 m above sea level |
| Degree of Pollution | 3 |
| Commodity Code | 85364900 |
The Siemens 3RT1044-1AP00 is a robust power contactor designed to handle high current applications with ease. This contactor is part of the SIRIUS product family, renowned for its reliability and performance in industrial environments. With an insulation voltage rated at 1,000 V and a surge voltage resistance of 6 kV, it offers excellent protection for your electrical systems.
This model is engineered to operate at AC-3 65 A, and it can manage motor loads of up to 30 kW at 400 V, making it suitable for a wide range of applications. The contactor is equipped with three normally open (NO) contacts for main operations, ensuring efficient and reliable switching. It is designed for AC control systems and operates at a control supply voltage of 230 V AC with a frequency of 50 Hz.
The 3RT1044-1AP00 is built to last, with a mechanical service life of up to 10 million switching cycles, ensuring long-term durability and reduced maintenance needs. It features a screw terminal connection for secure and straightforward installation. The contactor's size S3 footprint allows for efficient use of space inside control cabinets.
With a protection class of IP20 for the front and IP00 for the terminal, the contactor is designed to be used in controlled environments where it is protected from larger particles and touch. It can be mounted easily using either screw or snap-on mounting on standard 35 mm and 75 mm DIN rails.
The Siemens 3RT1044-1AP00 is a dependable choice for those seeking a high-performance power contactor that delivers consistent operation and integrates seamlessly into a variety of industrial control systems.
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Frequently Asked Questions
What type of contactor is this Siemens product?
This Siemens product is a power contactor designed for switching an electrical power circuit, similar to a relay except with higher current ratings. It is suitable for use in AC-3 applications up to 65 A and 30 kW / 400 V.
Can this contactor be used for heavy-duty industrial applications?
Yes, it is designed for heavy-duty industrial applications, capable of handling high current loads and suitable for controlling motors and other electrical devices.
What is the control voltage rating for this contactor?
The control voltage rating for this contactor is 230 V AC at a frequency of 50 Hz.
What are the main characteristics of the contacts in this contactor?
The contactor has 3 poles with 3 normally open (NO) contacts for the main current circuit, and there are no normally closed (NC) contacts.
What is the insulation voltage of this contactor?
The insulation voltage of the contactor is rated at 1,000 V.
What is the mechanical service life of this contactor?
The mechanical service life of the contactor is typically around 10 million operating cycles.
What is the maximum operating altitude for this contactor?
The maximum operating altitude for the contactor is 2,000 meters above sea level.
What are the ambient temperature limits for operating this contactor?
The contactor can operate within an ambient temperature range of -25 to +60 degrees Celsius.
What is the degree of protection provided by the enclosure of this contactor?
The degree of protection provided by the front of the enclosure is IP20, and the terminal has a protection class of IP00.
How can this contactor be mounted?
This contactor can be mounted using screw and snap fitting on 35 mm and 75 mm DIN rails, allowing for easy installation in various settings.
