Performance in Action
SIRIUS ACT offers you a unique portfolio of exceptionally designed, push buttons, indicator lights, and switches that deliver...
Quick and easy to install With the new SIRIUS ACT push buttons and indicator lights, easy handling also means easy installation. The innovative snap-on concept makes the task of installing a unit so effortless that it can be done with one hand. (No special tools required.) And because everything is so simple, SIRIUS ACT further reduces the risk of incorrect installation. Robust and Uncompromisingly Industry-compatible The new SIRIUS ACT push buttons and indicator lights meet every requirement. They keep on working even when exposed to dust or high pressure water. Even oils, caustic solutions and extreme environmental influences cannot disrupt reliable operation. With degree of protection IP66, IP67, IP69 (IP69K), SIRIUS ACT is the perfect solution for a host of applications. Flexible communication In addition to standard wiring, SIRIUS ACT can also be connected directly to the controller via AS-Interface, IO-Link or PROFINET. The advantage is a reduction in the wiring overhead, fewer sources of faults and greater flexibility in the event of changes. The TIA Portal engineering framework makes extended diagnostics and parameterization options possible. Modern design The flat, round metal and plastic elements combine functionality with a timelessly esthetic look. The new SIRIUS ACT push buttons and indicator lights offer the right answer for every application, taste and budget.Quick & Easy Installation
Rugged Reliability
Flexible Communication
Modern Design
Diverse combination options are possible. Make your selection from from three design lines:
Powerful machines and plants need powerful push buttons, switches and indicators
Constructed with genuine metal and high-grade plastics, and engineered with smart functions and communication capabilities, these new push buttons, indicator lights and switches have been extreme element tested to ensure reliability for your most mission critical operations.
SIRIUS ACT - commanding and signaling
Download the SIRIUS ACT 3SU1 - Overview and Selection Brochure
SIRIUS ACT is a modular system of pushbuttons and indicator lights for front plate mounting and rear-mounted electrical modules.
Engineering and commissioning are simplified by the TIA Portal.
Explore the SIRIUS ACT portfolio – usa.siemens.com/sirius-act
Take a look at the variety of ID key-operated switches.
The contact modules are fitted with slow-action contacts (NO contacts or NC contacts). These ensure a high switching reliability even with small voltages and currents, such as 5 V/1 mA. They are suitable for use in electronic systems as well as conventional controls. The contact pieces of the NC contacts are positively driven. Only LED modules with permanently integrated LEDs are available for illumination. Contact modules and LED modules bear terminal designations acc. to EN 50013.
Enclosed SIRIUS ACT push buttons, switches and indicators are used as hand-operated control devices for separately allocated control units and cabinets. The devices are suitable for use in any climate and all have IP66, IP67, IP69 (IP69K) degree of protection, including those with cable glands.
The electronic ID key-operated switches from the SIRIUS ACT family of commanding and signaling devices has proven its high flexibility compared to conventional solutions. Unique key IDs are used to correctly assign authorizations. 
Our flat, round metal and plastic elements combine unparalleled functionality with a timelessly esthetic look. Three design lines and diverse options for combining the kind of actuator and indicator, material, color, the type of front ring and lighting make the command and signaling devices look like they have been specially designed for your system.
Available as empty enclosures or with standard fittings
Accessories for the SIRIUS ACT portfolio
Configuration tool - siemens.com/sirius-act/configurator
Variety of communication solutions for maximum flexibility
Communication is one of the strong points of SIRIUS ACT. In addition to the conventional screw and spring-type connections of the command and signaling devices, direct connections to PROFINET can also be implemented in the control cabinet or IO-Link and AS-Interface in the field.
The various communication interfacing options provided enable simple combinations of push buttons and signaling devices, HMI touch screens and industrial PCs, which means that complex input stations can be set up without extensive wiring and engineering time and effort.
Integration into the TIA Portal enables them to be visually displayed for better harmonization with the hardware, thus simplifying and speeding up hardware configuration. Further advantages are uniform data management, time savings thanks to intuitive hardware configuration and lower downtimes resulting from faster fault diagnostics. The option handling feature (especially with PROFINET) enables flexible systems to be designed and individually adapted – even during ongoing operation.
The new direct connection of SIRIUS ACT to PROFINET/PROFIsafe The quick and easy installation with ribbon cable (piercing technology) without special tools saves considerable wiring effort. Put it to the test with a SIRIUS ACT starter kit > PROFINET/PROFIsafe
IO-Link
Connection of SIRIUS ACT to IO-Link via special electronic modules
AS-Interface
Connection of decentralized command and signaling devices to AS-Interface
ATEX-certified products
Use of electrical equipment in gas/dust atmospheres
SIRIUS ACT pushbuttons and indicator lights are suitable for use in intrinsically safe circuits, in accordance with the requirements of IEC 60079-11:2011, Clause 5.7 Simple apparatus. For the illuminated SIRIUS ACT versions, the ATEX-certified intrinsically safe LEDs must be used.
Intrinsically safe LED modules (ATEX-certified) for gas hazardous areas ll2G Ex ¡b llc T4 Gb
The LED modules of type 3SU1401-*BB*0-*AA2 are approved in accordance with IEC EN 60079-11:2012 (Equipment protection by intrinsic safety "i") and are used in gas hazardous zones 1 and 2. They comply with the "ib" type of protection for intrinsic safety. They may only be used in connection with a 3SU1 pushbutton or indicator light, in the enclosure or a control panel. The use of standard (non-ATEX) LED modules in intrinsically safe circuits is not permitted.
Commanding & Signaling Devices Brochure | CONTACT YOUR IES TEAM
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