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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RT1025-1AP00 |
| Alternative Part Number | 3RT10251AP00 |
| Manufacturer | Siemens |
| Product Type | Power Contactor |
| Contact Configuration | 3NO (3 Normally Open contacts) |
| Rated Operational Current | 40 A |
| Rated Control Voltage | 230 V ac |
| Utilisation Category | AC-3 |
| Rated Operational Power | 23 kW (at 400 V in AC-3 usage) |
| Control Circuit Voltage Type | AC |
| Control Circuit Frequency | 50 Hz |
| Protection Class | IP20; IP00 |
| Size | S0 |
| Mounting Type | Screw Connection |
| Ambient Temperature Range | -25 … +60 °C |
| Mechanical Life | 10,000,000 operations |
| Installation Altitude | Up to 2,000 m above sea level |
| Degree of Pollution | 3 |
| Dimensions | Width: 45 mm, Height: 85 mm, Depth: 91 mm |
| Conductor Cross-Section | Main contacts: max. 2x 10 mm², Auxiliary contacts: max. 2x (0.75 ... 4 mm²) |
| Short-Circuit Protection | Required fuse gL/gG: 63 A for type of coordination 1, 25 A for type of coordination 2 |
The Siemens 3RT1025-1AP00 is a robust power contactor designed to handle high switching capacities with ease. This contactor is part of the SIRIUS product family, renowned for its reliability and efficiency in various industrial applications. With a control voltage of 230 V AC and a frequency of 50 Hz, it is well-suited for the UK market and its electrical standards.
This model features three normally open (NO) contacts, making it an excellent choice for applications requiring a high number of operating cycles. It is capable of switching motors with a power of up to 7.5 kW at 400 V in AC-3 usage categories, which covers a wide range of industrial motors. The contactor is designed with a screw connection, allowing for secure and straightforward installation.
The 3RT1025-1AP00 is engineered to withstand challenging industrial environments, with an operational temperature range of -25 to +60 degrees Celsius and an installation altitude of up to 2000 meters above sea level. It also boasts an impressive mechanical service life, with up to 10 million operating cycles for the contactor and 5 million for units with added electronics-compatible auxiliary switch blocks.
With a size S0 footprint, the contactor is compact and space-efficient, making it suitable for integration into various control systems without occupying excessive space. The protection class of IP20 ensures that the contactor is protected against solid objects larger than 12mm, although care should be taken to prevent direct contact with the device's internal components.
The Siemens 3RT1025-1AP00 is a dependable and high-performing solution for those in need of a power contactor that can deliver consistent performance and withstand the rigours of industrial use.
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Frequently Asked Questions
What type of contactor is this Siemens power contactor?
This Siemens power contactor is a 3-pole contactor designed for AC-3 applications, capable of handling 7.5 kW at 400 V, with a control voltage of 230 V AC at 50 Hz.
Can this contactor be mounted in any position?
The contactor is designed for vertical mounting and should be installed in this orientation to ensure proper operation and safety.
What is the IP rating of this contactor?
The contactor has an IP20 protection rating on the front, indicating that it is protected against solid objects larger than 12.5 mm but not against water.
What is the rated operating current of this contactor?
The rated operating current for this contactor at AC-1 is 40 A at 400 V, and at AC-3 it is 17 A at 400 V.
What is the mechanical service life of this contactor?
The mechanical service life of the contactor is typically 10 million operating cycles, ensuring long-term reliability in various applications.
What type of connections does this contactor support?
The contactor supports screw-type terminal connections for both the main and auxiliary circuits, accommodating various conductor cross-sections.
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, making it suitable for a wide range of environmental conditions.
How many auxiliary contacts does this contactor have?
This contactor does not have built-in auxiliary contacts; however, it can be expanded with additional auxiliary switch blocks if required.
What is the size classification of this contactor?
The contactor is classified as size S0, which is a standard size classification within the Siemens SIRIUS range.
Is there a specific fuse size recommended for short-circuit protection with this contactor?
For short-circuit protection of the main circuit, a fuse with a gL/gG type of assignment 1 is required, with a recommended size of 63 A for type of coordination 1 and 25 A for type of coordination 2.
