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SIEMENS

Siemens Contactor

Siemens contactors are a diverse range of electrical devices designed for controlling power circuits in industrial applications. These contactors are essential for managing the flow of electricity to motors, machinery, and other electrical loads. Below are key features and benefits of Siemens SIRIUS contactors:

1. High-quality construction: Built with durable materials, Siemens contactors ensure reliability and long service life, even in demanding industrial environments.

2. Wide range of sizes and ratings: Available in various sizes and current ratings, the Siemens SIRIUS contactor range allows users to select the right model for their specific applications, including Siemens 3 pole contactor and 3RT Siemens contactor options.

3. Advanced auxiliary functions: Featuring auxiliary contacts for control and signaling, these contactors enable users to monitor and manage the operation of connected devices effectively.

4. Easy installation and maintenance: Designed with user-friendly features, Siemens SIRIUS contactors offer straightforward terminal connections and clear labeling for fast, efficient setup and upkeep.

5. Compatibility with Siemens products: These contactors seamlessly integrate with other Siemens products like overload relays and motor starters, providing a complete control and protection solution.

Siemens has built a global reputation for high-quality electrical equipment, and their SIRIUS contactors are trusted by industries worldwide for their reliability and performance.

Power contactors for motors

Power Contactors for Switching Motors

Siemens contactors include a range of power contactors specifically designed for efficient and reliable motor switching. Part of the SIRIUS product line, these contactors are ideal for industrial and commercial applications, providing precise control over motor loads.

Key Features of Siemens Power Contactors for Motors:

1. Motor protection and control: Designed for effective switching and control, Siemens power contactors ensure smooth starting, stopping, and regulation of motor operations, contributing to efficient motor performance.

2. High current ratings: Available in various current ratings, these contactors can handle high-current motor applications, making them suitable for motors of different sizes and types. Models such as Siemens 3 pole contactor and SIRIUS contactors are capable of managing demanding motor loads.

3. Built-in overload protection: Many Siemens SIRIUS power contactors feature integrated overload protection, safeguarding motors against excessive current and preventing damage due to overload conditions.

4. Auxiliary contacts for control and signaling: Equipped with auxiliary contacts, these power contactors allow users to monitor the Siemens contactor status and provide necessary feedback to the control system.

5. Compatibility with other Siemens products: Designed for seamless integration, Siemens power contactors are compatible with motor starters, overload relays, and other control system components, ensuring a comprehensive motor management solution.

Siemens is renowned for producing reliable and high-quality electrical components, and their power contactors for motor switching are trusted by professionals across various industries.

SIRIUS 3RT contactors, 3-pole, up to 250 kW

SIRIUS 3RT12 and 3TF6 vacuum contactors

SIRIUS 3RT25 contactors, 4-pole, 2 NO + 2 NC

siemens sirius contactor - siemens contactors

Siemens SIRIUS 3RT Contactor

Siemens contactors proudly introduce the SIRIUS 3RT contactors, a reliable and versatile solution designed for a wide range of applications. Featuring a robust 3-pole configuration, these contactors can efficiently manage motor loads of up to 250 kW, making them suitable for use in demanding industrial settings.

The Siemens SIRIUS 3RT series is known for its durability and high performance, providing reliable motor control even under challenging conditions.

SIRIUS 3RT12 & 3TF6 Vacuum Contactors

Siemens SIRIUS 3RT12 and 3TF6 vacuum contactors provide efficient and reliable performance, making them ideal for a range of industrial applications that require robust motor control.

siemens sirius contactor - siemens contactors

siemens sirius contactor - siemens contactors

SIRIUS 3RT25 Contactors

Enhance performance and control with Siemens SIRIUS 3RT25 contactors. These 4-pole contactors feature 2 normally open (NO) and 2 normally closed (NC) contacts, offering reliable power activation and added safety. Ideal for automating industrial processes and managing complex electrical systems, they provide flexibility and efficiency.

Catalog

Siemens Contactor Catalogue Pdf

Use The Link Below To Download The Contactor Siemens Catalog

Siemens Contactors with certified

Siemens SIRIUS Contactor with certified F-PLC input are available for your application for triggering from failsafe controllers, standard controllers and safety switchgear from 18.5kW up to and including 250kW.

The fail-safe inputs make it possible to achieve SIL 2 (IEC 62061) or PL c (ISO 13849-1) with only one contactor. SIL 3 or PL e can be achieved by using two contactors in series.

Power range 18.5 kW to 55 kW (screw type or spring type technology)

Power range 55 kW to 250 kW

SIEMENS

Siemens Sirius Contactor

Contactors with certified F-PLC input

Siemens offers a wide range of contactors with certified F-PLC input, designed to meet different power requirements. These contactors are available in two power ranges. The first range covers 18.5 kW to 55 kW and can be equipped with either screw type or spring type technology. The second range covers power requirements from 55 kW to 250 kW.

These contactors are specifically designed to provide reliable and efficient control over high-power applications. Whether you need to activate heavy machinery or manage complex electrical systems, Siemens contactors offer a robust and trustworthy solution.

Power range 18.5 kW to 55 kW

Siemens offers a range of products with a power range of 18.5 kW to 55 kW, utilizing either screw type or spring type technology. These products are commonly used in various industrial applications, such as compressors, pumps, and fans.

The screw type technology employed in Siemens products ensures high efficiency and reliability. These screw-type compressors or pumps are known for their smooth operation, minimal pulsation, and reduced energy consumption. They are designed to provide consistent performance under varying load conditions, making them suitable for a wide range of industrial applications.

Power Range 55kW To 250 kW

Siemens offers a range of products with a power range of 55 kW to 250 kW, catering to various industrial applications. These products are designed to provide reliable and efficient performance, meeting the demands of high-power applications.

Siemens products within this power range are equipped with advanced features and technologies to ensure optimal performance. They are commonly used in industrial sectors such as manufacturing, oil and gas, chemical processing, and power generation.

These products encompass a wide range of equipment, including motors, drives, and generators. Siemens motors within this power range are high-performance electric motors designed to deliver excellent torque and speed control. They are engineered to withstand demanding operating conditions and provide energy-efficient operation.

Contactors for other loads

Contactors can not only switch motors.

We also have specialists for other switching tasks, developed for your special needs.

SIRIUS 3RT.3 contactors, 4-pole, up to 525 A

Power range 55 kW to 250 kW

SIRIUS 3RT26 contactors for capacitive loads (AC-6b), 3-pole

siemens sirius contactor

siemens contactor

SIRIUS 3RT.3 Contactors

SIRIUS 3RT.3 Contactor:

4-Pole, Up to 525 A

SIRIUS 3RT.3 contactors are reliable and robust 4-pole devices designed to handle high currents, with a maximum capacity of up to 525 A. They provide excellent performance and are suited for a wide range of industrial applications.

siemens sirius contactor - siemens contactors

Power range 55 kW to 250 kW

Siemens Contactor: Power range 55 kW to 250 kW

Siemens offers a range of contactors designed for high power applications, with power capacities ranging from 55 kW to 250 kW. These contactors are reliable and efficient, ensuring smooth operation and optimal performance in industrial settings.

siemens sirius contactor - siemens contactors

SIRIUS 3RT26 contactors for capacitive loads

SIRIUS 3RT26 Contactors: SIRIUS 3RT26 Contactors for Capacitive Loads (AC-6b), 3-Pole

The SIRIUS 3RT26 contactors from Siemens are specifically designed to handle capacitive loads, such as motors with long cable lengths or loads with high inrush currents, with their AC-6b utilization category and 3-pole configuration.

siemens sirius contactor - siemens contactors

Siemens Contactor

The Ultimate Choice for Dependable and Efficient Electrical Control

Siemens Contactor stands as the ultimate choice when it comes to unparalleled dependability and remarkable efficiency in electrical control, guaranteeing seamless switching and exceptional protection for a diverse range of industrial applications.

Contactor relays and miniature contactors

Contactor relays and miniature contactors

Auxiliary contactors for control and auxiliary circuits.

SIRIUS 3RH2 contactor relays, 4- and 8-pole

3TG10 power relays/miniature contactors

SIEMENS

Contactor relays and miniature contactors

Contactor relays and miniature contactors are electrical devices manufactured by Siemens.

Contactor relays are typically used in control circuits to control the operation of electric motors or other electrical loads. They are designed to handle high currents and voltages and provide a reliable switching mechanism.

Contactors consist of a coil, contacts, and an arc extinguishing system. When the coil is energized, it creates a magnetic field that attracts the contacts, closing the circuit and allowing the current to flow to the load. When the coil is de-energized, the contacts open, interrupting the current flow.

Siemens produces a wide range of contactor relays that are suitable for various industrial applications. These relays are known for their durability, high performance, and advanced features such as overload and short-circuit protection.

SIRIUS 3RH2 contactor relays, 4- and 8-pole

Siemens offers the SIRIUS 3RH2 series of contactor relays, available in 4- and 8-pole configurations. These contactor relays are designed to provide reliable and efficient control in various industrial applications.

The SIRIUS 3RH2 contactor relays are known for their high-quality construction and advanced features. They are built to withstand demanding environments and deliver consistent performance. The series offers both standard and compact designs, making them suitable for a wide range of installation requirements.

3TG10 power relays/miniature contactors

Siemens offers the 3TG10 series of power relays and miniature contactors, providing reliable and compact solutions for various industrial and commercial applications.

The 3TG10 power relays/miniature contactors are designed to handle a wide range of electrical loads with efficiency and precision. They are built with high-quality materials and advanced engineering, ensuring durability and long-term performance.

These relays and contactors are compact in size, making them ideal for installation in space-constrained environments. Despite their small footprint, they are capable of handling high currents and voltages, making them suitable for controlling motors, pumps, fans, and lighting systems.

Contactor combinations

Contactor combinations

Star-delta combinations

Star-delta combinations are the reliable solution for the staged startup of asynchronous machines. The starting current is reduced by one third compared to a delta startup. The required ramp-up time up to the rated speed in star startup can be set via a timing relay.

Reversing contactor assemblies

For safe and reliable changes in the direction of rotation of asynchronous motors, the pre-assembled SIRIUS reversing combinations from 3 kW to 55 kW (self-assembly kit from 3 kW to 250 kW) are available. They consist of two contactors of the same rating with an NC contact from 3 kW to 7.5 kW or an NO contact and an NC contact from 5.5 kW to 55 kW in the basic unit.

Contactor assemblies for star-delta (wye-delta) starting

Reversing contactor assemblies

SIEMENS

Contactor relays and miniature contactors

Contactor combinations offered by Siemens are pre-assembled configurations of contactors and auxiliary components. These combinations are designed to simplify installation and reduce wiring efforts. They provide a convenient solution for controlling and protecting motors or other electrical loads. Siemens offers a wide range of contactor combinations with different sizes, ratings, and features to meet various application requirements.

Contactor assemblies for star-delta (wye-delta) starting

Siemens offers contactor assemblies specifically designed for star-delta (wye-delta) starting applications. These assemblies are used to reduce the inrush current and torque when starting induction motors connected in a star-delta configuration.

The contactor assemblies for star-delta starting consist of multiple contactors, typically three or six, and auxiliary components like timers and control relays. During the starting sequence, the motor is initially connected in a star configuration, which reduces the voltage applied to the windings and limits the current. After a specified time delay, the contactors switch the motor connections to a delta configuration, enabling full voltage and maximum torque for normal operation.

Reversing Contactor Assemblies

A Reversing contactor assembly, provided by Siemens, is an electrical control device used in various applications to control the direction of rotational motion of motors. It is specifically designed for reversing the direction of motor rotation, allowing for forward and reverse operation.

Siemens offers a range of reversing contactor assemblies with different specifications and features to meet the specific requirements of different industries. These assemblies typically consist of contactors, overload relays, and interlocking mechanisms.

The contactors are responsible for switching the motor currents on and off, while the overload relays protect the motor against overcurrent and overheating conditions. The interlocking mechanisms ensure that the motor cannot operate in both forward and reverse directions simultaneously, preventing any potential damage.

Siemens Contactor

Siemens Sirius Contactor : Sirius HowTO | Vol. 1

SIRIUS spring loaded connection - strong, flexible, safe, fast!

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