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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RT2025-1AP04 |
| Alternative Part Number | 3RT20251AP04 |
| Manufacturer | Siemens |
| Product Type | Contactor |
| Size of Contactor | S0 |
| Rated Insulation Voltage | 690 V |
| Rated Operational Current | AC-3: 7.5 kW at 400 V |
| Control Supply Voltage | AC 230V 50Hz |
| Number of Poles | 3-pole |
| Auxiliary Contacts | 2NO+2NC |
| Terminal Type | Screw-type terminals |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022 |
| Protection Class | IP20 |
| Ambient Operating Temperature | -25 … +60 °C |
| Shock Resistance | At AC: 7,5g / 5 ms, 4,7g / 10 ms |
| Surge Voltage Resistance | Rated value 6 kV |
| Degree of Pollution | 3 |
| Installation Altitude | Up to 2,000 meters above sea level |
| Storage Temperature Range | -55 … +80 °C |
| Mechanical Lifespan | High demand rate acc. to SN 31920: 1,000,000 operations |
| Electrical Lifespan | AC-3 at 400 V: 1,000 operations/hour |
| Dimensions (H x W x D) | 85 mm x 45 mm x 141 mm |
| Required Spacing | Side-by-side mounting: 0 mm; For live parts: 6 mm at the side |
| Contact Rating | According to UL: A600 / Q600 |
| Short-Circuit Protection | gL/gG LV HRC 3NA, DIAZED 5SB, NEOZED 5SE: 63 A (Type 1 coordination) |
The Siemens 3RT2025-1AP04 is a robust and versatile contactor engineered to facilitate the control of motor loads or power circuits in a wide array of industrial applications. This contactor is part of the SIRIUS product family, renowned for its reliability and efficiency in automating processes.
With a size S0 footprint, the 3RT2025-1AP04 is compact yet powerful, capable of handling AC-3 motor loads up to 7.5 kW at 400V. It features a 3-pole design and is equipped with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts, providing flexibility for various control circuit configurations.
The contactor operates with a control supply voltage of AC 230V at 50Hz and is designed with screw terminals for secure and straightforward wiring. It boasts an insulation voltage rated at 690V and an impulse voltage resistance of 6kV, ensuring robust performance even in demanding electrical environments.
The device is characterised by a mechanical service life of up to 10 million switching cycles, indicating its durability and long-term operational stability. Additionally, it is designed to be finger-safe with a protection class of IP20, providing a degree of protection against touch and foreign objects.
This contactor is suitable for installation at altitudes up to 2000 metres above sea level and can operate within a temperature range of -25 to +60°C, making it a reliable choice for various climatic conditions.
The Siemens 3RT2025-1AP04 is a testament to Siemens' commitment to quality and performance, offering a dependable solution for controlling electrical loads in industrial settings.
Commonly Asked Questions
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Frequently Asked Questions
What type of contactor is this?
This is a power contactor designed for switching an electrical power circuit, typically used in applications with AC-3 17 A, 7.5 kW / 400 V. It's suitable for controlling motors and other electrical loads.
Can this contactor be used for communication functions?
No, this contactor does not have a function module for communication. It is a standalone switching device without communication capabilities.
What is the size of this contactor?
The contactor is of size S0, which is a standard size within the contactor product range, suitable for various industrial applications.
What are the dimensions of this contactor?
The contactor has a height of 85 mm, a width of 45 mm, and a depth of 141 mm, making it compact and suitable for installation in various environments.
What is the rated insulation voltage of this contactor?
The rated insulation voltage for this contactor is 690 V, which indicates the maximum voltage the insulation can withstand.
What is the protection class of the terminals of this contactor?
The terminals of this contactor have a protection class of IP20, which means they are protected against solid objects larger than 12.5 mm but not against water.
What is the mechanical service life of this contactor?
The mechanical service life of the contactor is typically around 10 million switching cycles, indicating its durability and reliability over time.
What type of electrical connection does this contactor support?
This contactor supports screw-type terminals for both the main current circuit and the auxiliary and control current circuit, providing a secure and reliable connection.
What is the operating temperature range for this contactor?
The operating temperature range for this contactor is between -25°C and +60°C, ensuring reliable operation in a wide range of environmental conditions.
Does this contactor have auxiliary contacts?
Yes, this contactor comes with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts, which can be used for various control and indication functions.
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