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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RT1025-1AP04 |
| Alternative Part Number | 3RT10251AP04 |
| Manufacturer | Siemens |
| Product Type | Power Contactor |
| Rated Operational Current | 40 A |
| Control Supply Voltage | 230 V ac |
| Frequency | 50 Hz |
| Number of Poles | 3-Pole |
| Number of Main Contacts | 3 Normally Open (NO) |
| Protection Class | IP20 |
| Size | S0 |
| Connection Type | Screw Connection |
| Mounting Position | Vertical |
| Operating Temperature Range | -25 … +60 °C |
| Installation Altitude | Up to 2,000 metres above sea level |
| Mechanical Operating Cycles | 10,000,000 typical for contactor, 5,000,000 typical with electronics-compatible auxiliary block |
| Rated Control Circuit Voltage | AC 230 V at 50 Hz |
| Operating Power at AC-3 | 7.5 kW at 400 V |
| Short-Circuit Protection | Fuse gL/gG: 63 A for coordination type 1, 25 A for coordination type 2 |
| Dimensions (H x W x D) | 85 mm x 45 mm x 140 mm |
| Compliance | General Product Approval, Declaration of Conformity, Test Certificates |
The Siemens 3RT1025-1AP04 is a robust power contactor designed to handle a variety of applications within industrial environments. With a current rating of 40 A and an operating voltage of 230 V ac, this contactor is well-suited for managing moderate power loads. It features three normally open (NO) contacts, ensuring reliable connection and disconnection of circuits under load.
Constructed to fit into size S0, the contactor is compact and can be easily integrated into existing setups. The screw connection terminals provide a secure and durable means of installation, while the IP20 protection class indicates that the device is protected against solid objects larger than 12mm, making it suitable for general-purpose industrial applications.
The contactor is capable of operating within a wide ambient temperature range from -25°C to +60°C, and at installation altitudes up to 2,000 meters above sea level, ensuring consistent performance across diverse environmental conditions. With a mechanical operating life of 10 million cycles, the Siemens 3RT1025-1AP04 is a reliable choice for long-term operation.
This power contactor is an essential component for professionals looking to control motors, manage heating loads, or operate lighting systems within commercial and industrial settings. Its design and construction are aligned with the high standards of Siemens' SIRIUS contactor range, making it a dependable solution for a wide range of power switching applications.
Commonly Asked Questions
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Frequently Asked Questions
What is the current rating for this Siemens Power Contactor?
The Siemens Power Contactor is rated for 40 A at AC-1, 400 V.
Can this contactor be used in vertical mounting positions?
Yes, the contactor is designed for vertical mounting positions.
What is the protection class of this contactor?
The protection class for the front of the contactor is IP20.
What are the ambient temperature limits for operating this contactor?
The contactor can operate within an ambient temperature range of -25°C to +60°C.
How many mechanical operating cycles can this contactor withstand?
The contactor is typically rated for 10,000,000 mechanical operating cycles.
What is the rated control supply voltage for this contactor?
The rated control supply voltage for the contactor's magnet coil at 50 Hz is AC 230 V.
What are the dimensions of this contactor?
The dimensions of the contactor are 45 mm in width, 85 mm in height, and 140 mm in depth.
How many auxiliary contacts does this contactor have?
The contactor has 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts.
What type of terminal connections does this contactor have?
This contactor features screw-type terminals for both the main and auxiliary circuits.
What is the required fuse size for short-circuit protection of this contactor?
For short-circuit protection of the main circuit with type of coordination 1, a fuse gL/gG of 63 A is required, and for type of coordination 2, a fuse gL/gG of 25 A is required.
