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Siemens
3RT2025-1FB48-0ME1
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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RT2025-1FB48-0ME1 |
| Alternative Part Number | 3RT20251FB480ME1 |
| Manufacturer | Siemens |
| Contactor Size | S0 |
| Number of Poles | 3 |
| Number of Main Contacts | 3 NO (Normally Open) |
| Number of Auxiliary Contacts | 2 NC (Normally Closed) + 3 NO (Normally Open) with 3RH2911-1HA21 |
| Control Supply Voltage | 24 V DC with integrated diode |
| Operating Voltage (at AC-3) | Max 690 V |
| Operating Current (at AC-1, 400 V) | 40 A at 40 °C ambient temperature, 35 A at 60 °C ambient temperature |
| Operating Current (at AC-3, 400 V) | 17 A |
| Rated Operational Power (at AC-3) | 7.5 kW / 400 V |
| Rated Insulation Voltage | 690 V |
| Mechanical Operating Cycles | Typical 10,000,000 |
| Protection Class IP | IP20 |
| Ambient Temperature Operating Range | -25 … +60 °C |
| Ambient Temperature Storage Range | -55 … +80 °C |
| Installation Altitude | Up to 2,000 m above sea level |
| Shock Resistance | 10g / 5 ms, 7.5g / 10 ms at DC rectangular impulse; 15g / 5 ms, 10g / 10 ms at DC sine pulse |
| Mounting Position | +/-180° rotation possible on vertical mounting surface; can be tilted +/- 22.5° |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 60715 |
| Dimensions (W x H x D) | 45 mm x 85 mm x 151 mm |
| Connection Type | Screw-type terminals for main, auxiliary, and control circuit |
| Conductor Cross-Section | Main contacts: 1 … 10 mm² solid/stranded; Auxiliary contacts: 0.5 … 2.5 mm² solid/stranded |
| Safety-Related Features | Mirror contact according to IEC 60947-4-1, B10 value with high demand rate according to SN 31920 |
| Certificates/Approvals | General Product Approval, EMC, KC |
The Siemens 3RT2025-1FB48-0ME1 is a robust power contactor designed to handle a variety of applications within industrial environments. This contactor is part of the SIRIUS product family, renowned for its reliability and efficiency. With a size S0 footprint, it is compact enough for space-saving installations yet powerful enough to manage AC-3 loads up to 17 A and motor control tasks for motors with a power rating of 7.5 kW at 400 V.
This model features three normally open (NO) main contacts and two normally closed (NC) auxiliary contacts, integrated with a 3RH2911-1HA21. It operates with a 24 V DC control voltage and includes a plugged-in diode combination, ensuring compatibility with various DC control systems. The contactor is engineered with a 3-pole design and is equipped with screw terminals for secure and reliable connections.
The 3RT2025-1FB48-0ME1 is designed with safety in mind, boasting an IP20 protection class on the front, which provides a degree of protection against solid objects and ensures finger-safe operation. It is also capable of withstanding significant environmental challenges, with an operational temperature range of -25 to +60 °C and storage temperature capabilities from -55 to +80 °C. The contactor can be installed at altitudes up to 2000 metres above sea level without derating.
With a mechanical service life of up to 10 million switching cycles, this contactor is built for endurance and is suitable for frequent switching tasks. Its shock resistance and impulse voltage resistance are in line with stringent industry standards, ensuring it can withstand the rigours of industrial applications.
The Siemens 3RT2025-1FB48-0ME1 is a testament to Siemens' commitment to quality and performance, offering a dependable solution for controlling motors and loads in a wide range of industrial settings.
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Frequently Asked Questions
What type of contactor is this?
This is a power contactor designed for switching electric motors and other loads. It's part of the SIRIUS product family and is suitable for AC-3 applications, capable of handling 7.5 kW at 400 V with a 3-pole design and screw terminal connections.
Can this contactor be mounted on a DIN rail?
Yes, it can be mounted on a 35 mm standard mounting rail according to DIN EN 60715, with both screw and snap-on mounting options available.
What is the rated operational current for this contactor?
The rated operational current at AC-3 for this contactor is 17 A at 400 V.
What is the coil voltage for this contactor?
The coil voltage for this contactor is DC 24 V, and it comes with an integrated diode.
What is the size of this contactor?
The contactor is of size S0, with dimensions of 45 mm in width, 85 mm in height, and 151 mm in depth.
What is the IP rating of this contactor?
The contactor has an IP20 protection rating on the front, ensuring protection against solid objects larger than 12.5 mm but not against liquids.
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.
Is this contactor suitable for safety-related switching off?
Yes, this contactor is suitable for safety-related switching off, making it a reliable choice for various applications.
What type of terminals does this contactor have for the main circuit?
This contactor is equipped with screw-type terminals for the main current circuit.
How many auxiliary contacts does this contactor have?
This contactor comes with 2 normally open (NO) and 1 normally closed (NC) auxiliary contacts.
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