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Environmental conditions

The pushbuttons and indicator lights are climate-proof (KTW 24) and suitable for standard industrial applications and operation in marine applications.

"Intrinsic safety" type of protection EEx i according to ATEX directive 94/9/EC

The pushbuttons and indicator lights can also be used in hazardous areas.
Special versions of the 3SU1400 contact modules and 3SU1401 LED modules (only with screw terminals) can be used.

Explosion protection category for dust II 2D Ex tb IIIC T120°C Db

Safety EMERGENCY STOP according to ISO 13850

For controls according to IEC 60204-1 or EN 60204-1, the SIRIUS ACT mushroom pushbuttons are suitable for use as safety EMERGENCY STOP pushbuttons.

Safety circuits

IEC 60947-5-1 and EN 60947-5-1 require positive opening, i.e. for the purpose of personal safety, the assured opening of NC contacts is expressly stipulated for the electrical equipment of machines in all safety circuits and marked according to IEC 60947-5-1 with the symbol (->).

Category 4 according to EN ISO 13849-1 can be attained with the EMERGENCY-STOP mushroom pushbuttons if the corresponding fail-safe evaluation units are selected and correctly installed, e.g. the 3SK11 safety relays, the 3RK3 Modular Safety System (see Catalog IC 10, Chapter 11, "Safety Technology") or matching units from the ASIsafe, SIMATIC or SINUMERIK product ranges.


The SIRIUS ACT pushbuttons and indicator lights can be connected to the AS-Interface communication system quickly and safely.

The following solutions are available:

  • AS-Interface module
  • AS-Interface module in safety-related version for EMERGENCY STOP mushroom pushbutton
  • Ready-fitted AS-Interface enclosures with 1 to 6 command points

The SIRIUS ACT pushbuttons and indicator lights can be connected to IO-Link quickly and safely. The connection is made via a special IO-Link-module.


SIRIUS ACT Pushbuttons and Indicator Lights

Further information


SIRIUS ACT - commanding and signaling

SIRIUS ACT is a modular system of pushbuttons and indicator lights for front plate mounting and rear-mounted electrical modules.

Extensive portfolio

  • Customized variants, e.g. special tumbler arrangements, labeling, equipped enclosures
  • Communication-enabled thanks to direct interfacing to AS-Interface, IO-Link or PROFINET

Diverse possible applications

  • National and international approvals
  • Many trade approvals
  • Short delivery times thanks to global availability


  • IEC 60947-1, EN 60947-1
  • IEC 60947-5-1, EN 60947-5-1
  • IEC 60947-5-5, EN 60947-5-5 for EMERGENCY STOP device


  • Fast, simple selection by intuitive navigation through clearly-organized menus using drag & drop
  • Image preview of selected components
  • Inscription of pushbuttons und labeling plates using the interactive inscription tool
  • Once created, a configuration can be ordered as often as required using the customer-specific article number and the CIN (Configuration Identification Number)
  • Everything at a glance: Product data sheets, certificates, dimensional drawings, list prices, inscription tool

SIRIUS ACT is a modular system of pushbuttons and indicator lights with which customized variants can be configured flexibly.

One command point comprises:

  • An actuating or signaling element in front of the control panel
  • A holder for securing behind the control panel
  • Up to six contact modules and/or one LED module (mounted onto the holder), single-pole contacts can be stacked
  • A comprehensive range of accessories for inscription/marking
Complete units

Complete units made up of an actuating or signaling element and contact modules and/or LED modules are offered for the most frequent application cases. The electrical parts are integrated and only have to be wired.

Design of a compact unit

Compact units

Signaling devices, sensor switches, and pushbuttons with extended stroke are available as compact units. The electronics are already integrated here, or it is no longer necessary to snap on a contact or LED module.

Design of a complete unit

Actuating and signaling elements

System overview of SIRIUS ACT pushbuttons and indicator lights from the plastic design line. Pushbuttons and indicator lights available in 4 design lines.

ID key-operated switches

The ID key-operated switch is electronic and has 4 switch positions that are selected by keys with different codes. Using the 4 ID keys with different codes, it is possible to select 1 of 4 positions. The ID keys are color-coded (yellow, blue, red, green, white) so that they can be clearly differentiated at a glance.

Different versions of ID key-operated switches are available depending on the following features:

  • Front ring material
  • Conventional variant: 1 + 4 non-isolated outputs
  • Variant with IO-Link: Option of individual coding

Insert ID key, turn key to select the position. Standard keys can also be used in conjunction with the electronic module for ID key-operated switches with IO-Link function. The white ID key is supplied without coding


3SU1000-4WS10-0AA0 plastic, black

3SU1030-4WS10-0AA0 plastic with metal front ring, matte


ID key-operated switches


Number of switching positions




Operating angle




Operating principle




Switch position for key removal












Electronic modules for ID key-operated switches

Type of power supply


via IO-Link master


Protocol is supported IO-Link protocol


IO-Link protocol


Number of NO contacts




IO-Link transfer rate


COM2 (38.4 kBaud)



SIRIUS ACT accessory, key, ID, individual ID group

SIRIUS ACT accessory, key, ID, ID group 1

SIRIUS ACT accessory, key, ID, ID group 2

SIRIUS ACT accessory, key, ID, ID group 3

SIRIUS ACT accessory, key, ID, ID group 4








ID keys ID group individual

ID keys


ID keys






RFID coding version

Individually coded, programmable several times

ID group 1

ID group 2

ID group 3

ID group 4











SIRIUS ACT is available in four design lines.

  • Direct connection of the enclosure to AS-Interface or IO-Link
  • Direct connection in the control cabinet to PROFINET, IO-Link or AS-Interface
  • Can be integrated easily via the TIA Portal


Easy handling

  • Degree of protection IP66, IP67, IP69 (IP69K)
  • Self-holding function of the actuator when mounting
  • Twist prevention integrated into patented holder design
  • Stackable contact modules
  • Self-explanatory and fast installation using one hand
  • Components can be mounted with holder removed
  • No special tools required, simple size 2 screwdriver (cross-tip DIN ISO 87641PZD1, flat-head DIN ISO 2380-1 A/B 1x4.5) is sufficient



6 = Protection against the ingress of dust

6 = Protection against powerful splashwater




6 = Protection against the ingress of dust

7 = Protection against temporary immersion


IP69 (IP69K)


6 = Protection against the ingress of dust

6 = Protection against the ingress of dust

  • Service life of 100 000 hours thanks to use of LEDs
  • Media resistance (chemicals) thanks to solid stainless steel and high-grade plastics
  • Mechanical service life of 10 x 106 switching cycles
  • Suitable for use in extreme environments
  • Reliable, friction-locked fixing with just one screw
  • Design stability according to use
  • Simple geometry for mounting holes

Advantages through energy efficiency

Energy management in industry

Overview of the energy management process

We offer you a unique portfolio for industrial energy management, using an energy management system that helps to optimally define your energy needs.
We divide operational energy management into the three phases: identification, evaluation and implementation, and support you with suitable hardware and software solutions in each phase of the process.

The new SIRIUS industrial controls can also make a major contribution to the energy efficiency of a plant (see

3SU1 pushbuttons and indicator lights contribute to energy efficiency throughout the plant as follows:

  • Lower power consumption by means of LED technology
  • Long service life