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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RT1024-1AP04 |
| Alternative Part Number | 3RT10241AP04 |
| Manufacturer | Siemens |
| Product Type | Power Contactor |
| Rated Operational Current | 40 A |
| Control Supply Voltage | 230 V ac |
| Frequency | 50 Hz |
| Number of Poles | 3NO |
| Size | S0 |
| Terminal Type | Screw Terminal |
| Degree of Protection | IP20 |
| Mechanical Service Life | 10 million cycles for contactor, 5 million cycles for contactor with electronics-compatible auxiliary switch block |
| Ambient Operating Temperature | -25 ... +60 °C |
| Installation Altitude | Up to 2000 m above sea level |
| Degree of Pollution | 3 |
| Main Circuit Contact Type | 3 NO contacts for main contacts |
| Auxiliary Circuit Contact Type | 2 NC + 2 NO instantaneous contacts |
| Operating Power at AC-3 | 5.5 kW at 400 V |
| Short-Circuit Protection | Required fuse gL/gG: 63 A for main circuit, 10 A for auxiliary switch |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail |
| Dimensions (H x W x D) | 85 mm x 45 mm x 140 mm |
The Siemens 3RT1024-1AP04 Power Contactor is a robust and reliable switching device designed for a wide range of industrial applications. This contactor is engineered to control electric motors and loads efficiently, with a rated operational current of 40 A at 400 V in AC-1 usage and 12 A at 400 V in AC-3 usage. It operates with a control supply voltage of 230 V AC at 50 Hz, making it suitable for integration into numerous power management systems.
Crafted with precision, the 3RT1024-1AP04 features a 3-pole configuration with 3 normally open (NO) main contacts, ensuring secure and stable connections. Additionally, it is equipped with 2 normally open and 2 normally closed auxiliary contacts for added flexibility in circuit control.
The contactor boasts a size S0 footprint, which allows for efficient use of space within electrical enclosures. Its screw terminal connections provide a secure and reliable means of installing wiring, ensuring a solid electrical connection for both the main and auxiliary circuits.
With an IP20 protection rating, the contactor is safeguarded against solid objects larger than 12.5 mm, offering a degree of protection for the front and terminal areas. The mechanical service life of the contactor is impressive, with up to 10 million operating cycles, highlighting its durability and longevity in demanding industrial environments.
The Siemens 3RT1024-1AP04 is designed for vertical mounting and can be easily installed onto a 35 mm standard mounting rail according to DIN EN 50022. Its compact dimensions, with a height of 85 mm, a width of 45 mm, and a depth of 140 mm, make it an excellent choice for applications where space is at a premium.
This power contactor is a testament to Siemens' commitment to quality and performance, offering a reliable solution for controlling electrical loads in a variety of industrial settings.
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Frequently Asked Questions
What are the main specifications of this power contactor?
This power contactor is a 3-pole device with a control voltage of 230 V AC at 50 Hz. It has a rated operating current of 40 A at AC-1 and 12 A at AC-3, suitable for controlling motors up to 5.5 kW at 400 V. It also features 3 normally open (NO) main contacts and an IP20 protection rating.
Can this contactor be used in a vertical mounting position?
Yes, the contactor is designed to allow for vertical mounting, ensuring flexibility in installation.
What is the degree of protection provided by this contactor?
The contactor provides a protection class of IP20, which means it is protected against solid objects larger than 12.5 mm but not against water.
What is the mechanical service life of the contactor?
The mechanical service life of the contactor is typically 10 million operating cycles, ensuring long-term reliability in your applications.
What type of terminals does this contactor have for electrical connection?
This contactor is equipped with screw-type terminals for both the main and auxiliary circuits, facilitating secure and reliable connections.
What is the ambient temperature range for operating this contactor?
The contactor can operate within an ambient temperature range of -25 to +60 degrees Celsius, accommodating a variety of environmental conditions.
How many auxiliary contacts does this contactor have?
The contactor comes with 2 normally closed (NC) and 2 normally open (NO) auxiliary contacts for instantaneous switching.
What is the maximum installation altitude for this contactor?
The contactor can be installed at altitudes up to 2000 metres above sea level without derating.
Is this contactor suitable for AC-4 applications?
Yes, the contactor has a rated operating current of 12.5 A at AC-4, making it suitable for applications such as starting and stopping motors with high switching frequencies.
What is the power loss per conductor at AC-3 400 V?
The power loss at AC-3 400 V for the rated value of the operating current per conductor is 0.5 W, indicating high efficiency in operation.
