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SIRIUS

Siemens SIRIUS

The Siems SIRIUS line is a complete set of control and protection devices for industrial applications. Available SIRIUS devices include contactors, circuit breakers, motor starters, overload relays, and safety relays with a full set of performance ratings: from 0.1 kW all the way up to 250 kW. The entire SIRIUS range is characterized by modular constructions that make them easy to install in control panels and support highly efficient and reliable operation. SIRIUS high-performance devices with PROFIBUS, PROFINET, IO-Link, and Modbus features develop seamless communication within the industrial automation systems in terms of monitoring and control.

Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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Browse SIRIUS

Browse available units in our catalog of SIRIUS.

3RH1921-1FE22

The 3RH1921-1FE22 auxiliary switch features a dual-contact configuration: an encapsulated 1 NO + 1 NC and an additional non-encapsulated 1 NO + 1 NC. With a current rating of 6A, it is suitable for us

In Stock Ships Today
5.0

3RT2025-1BB40

This SIRIUS power contactor is designed for high performance, accommodating an ambient temperature range from -25°C to +60°C. It includes auxiliary contacts configured as 1 normally open and 1 normall

In Stock Ships Today
5.0

3RV1011-1FA10

This circuit breaker supports surge voltage resistance of up to 6 kV and can handle operational currents rated at 5 A. It operates effectively with a frequency of 50/60 Hz. The unit is engineered with

In Stock Ships Today
4.7

3RV1021-0JA10

Classified under the SIRIUS series, this motor protection circuit breaker operates at a rated voltage of 690 V. Its rated operational current in AC-3 applications is 1 A at 400 V, while the breaking c

In Stock Ships Today
4.3

3RT1016-1AK61

This non-reversing power contactor includes three poles with a rating for 9 to 22 amperes. It is equipped with 3 normally open (NO) main contacts, along with 1 normally open (NO) auxiliary contact. Ra

In Stock Ships Today
5.0

3RT1035-1AK60

This SIRIUS 3-pole power contactor operates effectively within a power output capacity of 18.5 kW at frequencies of 50 or 60 Hz. It utilizes screw terminals for connections and falls under size class

Available
4.5

3RV2011-0EA10

Designed in the S00 size category, the 3RV2011-0EA10 circuit breaker features a thermal overload release adjustment range from 0.28 A to 0.4 A and a short-circuit trip current of 5.2 A. It maintains a

In Stock Ships Today
5.0

3RV2021-4BA10

This circuit breaker module operates at a current rating of 260 amperes and is classified in size class S0. It includes three poles and is designed for three-phase systems. Its dimensions are 49 mm in

In Stock Ships Today
5.0

3RT2028-1FB40

This power contactor functions at a control supply voltage of 24V DC, providing 1 normally closed (NC) contact and 1 normally open (NO) contact. Rated at IP20, it operates effectively within a tempera

In Stock Ships Today
4.5

3ZX1012-0RT03-1AA1

This contactor is rated for a maximum current of 32 Amps and can handle horsepower requirements ranging from 3 to 5 HP. It features a three-pole design and is suitable for operating altitudes of up to

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4.7
Showing 31-40 of 419 results