SIRIUS Enclosed Motor Controls

SIRIUS Motor Controls for industrial and construction applications

Siemens has developed an innovative enclosed line using our SIRIUS product family.  By placing the most advanced motor control technology “in a box,” you get a readily available package to meet all your application needs for motor protection and control. Protecting the performance of motors is a critical priority and one of the best ways to do so is with UL listed and cUL certified SIRIUS Enclosed Motor Controllers.

Choose the type of controller

Product Selector

Choose the Type of Controller

Non-Combination (No Disconnect)

Discover the features of our non-combination type controllers


● UL motor horsepower rated

● From fractional up to 60 Hp at 575 V

● Starters and contactors

● Reversing and non-reversing controllers

● Single phase and 3-phase loads

● Thermal and solid-state overload relays

● NEMA Type enclosures 1, 3/3R/4/12, 4X 304 stainless steel

● Standard size and large enclosures

● RoHS compliant

● Standards: UL 60947-4-1

● Certifications: cULus


● Horsepower rated per UL

● High contact reliability

● NO and NC auxiliary contacts included as standard

● Permanently secured with screws on mounting panel

● Screw type terminal connections

Thermal Overload Relays

● Single and Three Phase

● Auxiliary contacts: 1 NO + 1 NC

● Manual/automatic RESET

● Switching position indication

● Trip Class 10

● TEST function

● STOP button

● Phase failure sensitivity

● Sealable cover (optional)

● Screw terminal type

Solid-State Overload Relays

● Selectable Class 5, 10, 20 and 30

● Overload, phase failure and unbalance protection

● Internal ground fault detection (selectable)

● Internal power supply

● Auxiliary contacts 1 NO + 1 NC

● Manual and automatic RESET

● Electrical remote RESET integrated

● Switch position indicator

● TEST function and self-monitoring

● Screw terminal type


Factory Modifications and Accessories