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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RT2015-1FB42 |
| Alternative Part Number | 3RT20151FB42 |
| Manufacturer | Siemens |
| Poles | 3 Poles |
| Contacts | 1NC (Normally Closed) |
| Rated Operational Current | 7 A at AC-3, 18 A at AC-1 |
| Power Rating at 400 V | 3 kW |
| Maximum Operating Voltage | 690 V ac |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 60715 |
| Electrical Connection | Screw-type terminals for main, auxiliary, and control current circuit |
| Conductor Cross-section Range | Solid: 0.5 - 4 mm², Stranded: 0.5 - 4 mm², Finely stranded with core end processing: 0.5 - 2.5 mm² |
| Ambient Operating Temperature | -25 ... +60 °C |
| Mechanical Service Life | Typical 30 million switching cycles |
| Protection Class | IP20 on the front and terminals |
| Installation Altitude | Maximum 2,000 m above sea level |
| Dimensions (H x W x D) | 58 mm x 45 mm x 73 mm |
| Required Spacing | For side-by-side mounting: 0 mm at the side, 10 mm forwards/upwards/downwards |
| Shock Resistance | At DC: 6.7g / 5 ms, 4.2g / 10 ms (rectangular impulse), 10.5g / 5 ms, 6.6g / 10 ms (sine pulse) |
| Reference Code | According to DIN EN 81346-2: Q |
| Commodity Code | 853649 |
The Siemens 3RT2015-1FB42 Power Contactor is a robust and reliable switching solution designed for a wide range of industrial applications. This contactor is part of the SIRIUS product family, known for its high-quality performance and durability. With a compact size S00 footprint, it is ideal for space-saving installations and can be easily integrated into existing systems.
Featuring three poles and one normally closed (NC) contact, this power contactor is capable of handling AC-3 loads up to 7 A and motor control tasks up to 3 kW at 400 V. It is also suitable for use with operating voltages up to 690 V AC, making it versatile for various electrical setups. The integrated 24 V DC coil with a diode ensures efficient operation and reduces electrical noise, which is particularly beneficial in environments with sensitive electronics.
The contactor is engineered with screw-type terminals for secure and reliable connections, both for the main current circuit and auxiliary and control current circuits. It boasts a mechanical service life of up to 30 million switching cycles, indicating its longevity and ability to withstand the demands of frequent operation.
Designed with safety in mind, the Siemens 3RT2015-1FB42 has a protection class of IP20, providing a degree of protection against solid objects and ensuring safe operation for personnel. Its shock resistance and surge voltage resistance are in compliance with industry standards, further attesting to its robustness.
This power contactor is suitable for a variety of applications, including motor control, switching heating loads, capacitors, lighting, and more. Its reliable performance and Siemens' reputation for quality make it a preferred choice for professionals seeking a dependable solution for their automation and control needs.
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Frequently Asked Questions
What are the main characteristics of this power contactor?
This power contactor is a 3-pole device with 1 normally closed (NC) contact, rated for 7 A and 3 kW at 400 V in an AC-3 utilisation category. It can handle operating voltages up to 690 V ac and is designed with a screw terminal connection. The contactor is part of the S00 size category.
Can this contactor be mounted on a DIN rail?
Yes, the contactor is designed for screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 60715.
What is the rated control supply voltage of the contactor?
The rated control supply voltage for the contactor is 24 V DC with an integrated diode.
What is the mechanical service life of the contactor?
The mechanical service life of the contactor is typically 30 million switching cycles.
What type of electrical connections does the contactor support?
The contactor supports screw-type terminals for the main current circuit, auxiliary and control current circuit, auxiliary contacts, and magnet coil.
What is the protection class of the contactor?
The protection class of the contactor is IP20 for both the front and terminal areas.
What are the dimensions of the contactor?
The contactor has a height of 58 mm, a width of 45 mm, and a depth of 73 mm.
What is the ambient temperature range for the operation of the contactor?
The contactor can operate within an ambient temperature range of -25 to +60 degrees Celsius.
Is the contactor finger-safe?
Yes, the contactor is designed to be finger-safe, providing protection against electrical shock.
What is the installation altitude limit for the contactor?
The contactor can be installed at altitudes up to 2000 meters above sea level without derating.
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