SIRIUS range of electrical components for the railway industry

Whether for rolling stock or infrastructure applications, we offer a comprehensive portfolio of electrical components for countless applications. One of our portfolio highlights is SIRIUS, the complete range for industrial controls. SIRIUS offers everything required for the switching, protection, or starting of loads, as well as for their monitoring, control, detection, commanding, signaling, or supply. Our portfolio is rounded out by numerous products specifically developed and tested for the railway industry

  • Spring-loaded or screw-type connection system on the terminals (also ring cable lug connection on request)
  • For screw and snap-on mounting on DIN rail
  • Short-circuit breaking capacity up to 100 kA
  • Trip class 10 (sizes S00-S3)
  • Integrated motor protection up to 100 A at +70 °C
  • Comprehensive accessories / infeed systems

Rated current:

  • Up to +60 ℃ 100 %
  • Up to +70 ℃ 87 %

Mechanical service life:

  • 250 to 500 switching cycles
  • Spring-loaded or screw-type connection system on the terminals (also ring cable lug connection on request)
  • Coil with suppressor diode or varistor circuit
  • For screw and snap-on mounting on DIN rail
  • Extended operating range: 0.7 – 1.25 × Us
  • Communication via IO-Link for stationary applications

Mounting:

  • Electronic coil: clearance up to ambient temperatures of 70 °C is not required

Contacts:

  • Electronic coil: auxiliary switches expandable in the same way as standard contactors
  • Screw-type connection system via busbar connection or box terminal
  • Optional control via a separate control signal input of 24 to 110 V DC (operating range from 0.7 to 1.25 × Us)
  • Can be used at ambient temperatures up to 70 °C
Contacts:
  • Two NO contacts and two NC contacts as standard
  • Auxiliary switches expandable in the same way as standard contactors
  • Solid-state switching devices for the switching of 1- and 3-phase resistive and 3-phase motor loads
  • Spring-loaded, screw-type and ring cable lug connection system
  • Extremely durable, low-maintenance, rugged, and reliable thanks to long switching service life
  • Wear- and noise-free switching, also for noise-sensitive areas
  • Expandable functionality through plug-on function modules
  • Vibration resistance in accordance with DIN EN 61373 Category 1, Class B
  • 3TC44 for screw and snap-on mounting on DIN rail
  • 3TC48 to 3TC78 for screw mounting
  • Solenoid coil fitted with varistor
  • Extended operating range: 0.7 – 1.25 × Us
  • Contactors for switching DC voltages up to 1500 V

Version with series resistor:

  • Mounting: clearance up to ambient temperatures of 70 °C is not required
  • Mounting: with size 2 (3TC44) a clearance of 10 mm is required
  • Contacts: auxiliary switches not expandable; two NO contacts and one NC contact as standard
  • Spring-loaded and screw-type connection system on all terminals (also ring cable lug connection on request)
  • Coil with suppressor diode or varistor circuit
  • For screw and snap-on mounting on DIN rail
  • Extended operating range: 0.7 to 1.25 × Us
  • Electronic coil with very low switch-on and holding power

With electronic coil:

  • Ambient temperature up to 70 °C
  • Mounting without clearance
  • A 4-pole auxiliary switch block can be mounted

Standard coil (coupling contactors):

  • Ambient temperature > 60 °C
  • Mounting with a clearance of 10 mm
  • It is not possible to mount an auxiliary switch block
  • Screw-type connection system
  • Solenoid coil fitted with varistor
  • For screw and snap-on mounting on DIN rail
  • Extended operating range: 0.7 – 1.25 × Us
  • Electronic coil with very low switch-on and holding power

With electronic coil:

  • Ambient temperature up to 70 °C
  • Mounting without clearance
  • A 4-pole auxiliary switch block can be mounted
  • Screw-type connection system
  • Solenoid coil fitted with varistor
  • For screw and snap-on mounting on DIN rail
  • Extended operating range: 0.7 – 1.25 × Us
  • The contacts are not expandable

Mounting:

  • At ambient temperatures between 55 °C and 70 °C a clearance of 10 mm is required for side-by-side mounting
Modern design and flexible concept
  • 4 design lines in plastic, shiny metal, and matte metal in 22 / 30 mm
  • Actuators, holders, contact module and LED modules can be ordered individually and combined freely

Broad product range

  • State-of-the-art functions, such as ID key-operated switches on RFID basis
  • Customized variants, e.g. special tumbler arrangements, labeling, pre-assembled enclosures

Communication

  • Communication-enabled due to optional connection to AS-Interface, IO-Link or PROFINET

Ruggedness

  • Degree of protection IP69K is our stan
  • Monitoring relays for electrical parameters, thermistor motor protection, temperature, filling level, speed
  • All versions with removable terminals, featuring either spring-loaded or screw-type connection system
  • Applicability in all networks thanks to wide voltage range
  • Variable adjustability
  • 3-phase current monitoring integrated in the main circuit
  • Communication via IO-Link for stationary applications
  • SIRIUS 3RQ2 coupling relays in robust industrial housing (22.5 mm width) and 3RQ3 coupling relays in slim design (6.2 mm)
  • Coupling technology with power, plug-in and coupling relays in accordance with the railway standard
  • Coupling links with two-tier design and connections on two levels
  • Versions with removable terminals, featuring either spring-loaded or screw-type connection system
  • Versions with very slim design of only 6.2 mm (3RQ3)
  • Versions with up to 3 changeover contacts in width of only 22.5 mm (3RQ2), also available with hard gold-plated contacts for switching of small currents
  • Low power consumption
  • Applicability in all networks thanks to wide voltage range
  • Version with solid-state compatible outputs (hard gold-plating)
  • Electronic timing relays (multifunction) with up to 15 time ranges
  • Electronic timing relays with two changeover contacts and positively-driven relay contacts
  • Individual or selectable time ranges
  • Switch position and voltage indication via LED
  • With removable terminals, featuring either spring-loaded or screw-type connection system
  • For screw and snap-on mounting on DIN rail

Electronic timing relays with positively-driven relay contacts:

  • 2 changeover contacts
  • Vibration resistance in accordance with DIN EN 61373 Category 1, Class B
  • Interference immunity in accordance with EN 50121-3-2
  • Suitable for all safety applications up to SIL 3 / PL e
  • Modular hardware configuration
  • Simple commissioning using DIP switches and software parameter assignment
  • Simple selection thanks to a small number of multifunctional devices
  • SIRIUS safety relays can be integrated into systems simply and independently of the automation solution
  • More functionality and flexibility through freely configurable safety logic
  • Vibration resistance in accordance with DIN EN 61373 Category 1, Class B
  • Interference immunity in accordance with EN 50121-3-2 Table 1
  • Modular device design with easy plug-in connection system
  • Four different enclosure versions in plastic and metal
  • Optional LED display for all enclosures
  • Positive opening of NC contacts
  • Area of application up to SIL 3 in accordance with IEC 62061
  • High contact reliability, also with 5 V DC / 1 mA
  • Safety position switches with separate actuator with / without tumbler
  • High degree of protection up to IP66 / IP67
  • Extended temperature range: –40 °C to +85 °C
  • Versions with increased corrosion protection

All SIRIUS products