Page 2 - SIRIUS Relays – a complete range to cover every; The wide range of SIRIUS Relays:; The highlights at a glance:
In our assortment of SIRIUS Relays, you can find everything you need for motor feeders. Simple and easy. From a single source. Whether you need timing or reliable monitoring relays, narrow coupling relays, plug-in relays, low-noise power relays or interface converters – it would be difficult to find...
Page 3 - iming R
Timing relays 3RP15/3RP20 for rail mounting 4/5 Monitoring relays 3UG monitoring relays for voltage, for line monitoring line and insulation 6/7 Monitoring relays 3UG4 monitoring relays for single-phase current, for load monitoring power factor and active current monitoring 8/9 Monitoring relays 3UG...
Page 4 - Engineering information:; for rail mounting
Your advantages: • All versions have removable terminals • All versions with screw terminals or with the innovative spring-loaded terminal system • Labels are used to document the function that has been set at multi-functional timing relays • Transparent range for every application: Only seven basic...
Page 5 - Timing R
1) Positively-driven and hard-gold-plated relay contacts2) This device is only available with screw terminals Screw terminal 1 Spring-loaded terminal 2 5 Electronic 3RP15 timing relays in an industrial enclosure, 22.5 mm 8 functions 8 functions 8 functions 8 functions 8 functions 16 functions 16 fun...
Page 6 - UG Monitoring Relays
Configuration of a 3-phasemonitoring function Phasefailure Phaseimbalance,voltage Directionof rotation L1L2L3 M contactor 3UG4monitoringrelay 3UG Monitoring Relays for line, single-phase voltageand insulation monitoring The new 3UG4 monitoring relays provide a maximum degree of protection for machin...
Page 7 - Monitoring R
15 Screw terminal 1 Spring-loaded terminal 2 Screw terminal 1 Spring-loaded terminal 2 Return voltage due to coupling between the individual phases The 3UG4511 device can not dectect phase failures reliably. Loads connected to the three-phase line supply – such as motor windings,lamps, transformers ...
Page 8 - Power factor and active current monitoring:; UG4 Monitoring Relays
Current monitoring: • Only two versions from 2 mA to 10 A • Real effective value measurement • Applicable for frequencies with 40 – 500 Hz AC and DC Power factor and active current monitoring: • Global application thanks to wide-range voltage between 90 and 690 V AC • Capable of monitoring even smal...
Page 12 - Level monitoring
3UG4 Monitoring Relays for level and speed 3UG4 monitoring relays also detect non-electricalparameters. Our 3UG4501 level monitoring relays offer relia-ble 1- or 2-point regulations and alarm messagesin case of over flow or dr y running on the basisof a simple principle: Almost all liquids are con-d...
Page 16 - Analog adjustable relays
Your advantages: • All versions have removable terminals • Many versions are available with innovative spring-loaded terminals • All devices have electrical isolation Exception: 24 V AC/DC • Simple handling using a rotary potentiometer • Selectable hysteresis • For devices with two threshold values,...
Page 18 - Digitally adjustable relays
Your advantages: • Simple to operate without complex menu prompting • Certified according to DIN 3440 • 2- or 3-conductor resistance sensors can be connected • Versions available in °Fahrenheit • All versions have removable terminals • All versions with either screw terminals or with spring-loaded t...
Page 20 - Coupling Relays – Narrow Design; Coupling relays as input or output coupler
3TX70 relay couplers are available in two basic versions. The 3TX7004/05 is only 6.2 mm wide: taking up a lot less space in the electrical cabi- n e t . T h e n t h e r e i s t h e 3 T X 7 0 0 2 / 0 3 s e r i e s : T h e s e d ev i c e s a r e s u i t a b l e f o r m o u n t i n g i n small electric...
Page 22 - Use of semiconductor couplers
Coupling modules are available either with relays or semiconductors. Semiconductor couplers offer some significant advantages: The electronic components are extremely reliable and have a ver y long ser vice life (refer to the diagram below). The input coupler combines the best of both worlds – impro...
Page 23 - Coupling R
23 3TX70 Semiconductor Couplers Control supply Width Max. switch- Switching Min. load Short-time M-0-A Order No. voltage ing current voltage current load capacity switch 24 V DC 6.2 mm 0.5 A ≤ 48 V DC – 1.5 A/20 ms – 3TX700 -3AB04 6.2 mm 1.5 A ≤ 30 V DC – Short-circuit-proof – 3TX700 -3PB54 6.2 mm 3...
Page 25 - Complete devices and single modules; LZX/LZS plug-in relays are available either as
LZX/LZS Plug-In Relays Complete devices and single modules Engineering information: The lever of the LZX:PT relays does not feature a latching mechanism. If the level is pressed further until a move- ment of 90° is reached, two small lugs break off and the test lever can be set to latching. When usi...
Page 26 - Relay couplers – single modules for self-assembly
Complete device with plug-in socket(screw terminal, standard) for snapping onto 35 mm mounting rail, consistingof: print relay, plug-in socket standard with screwterminal, LED module (24 V DC LED module withfree-wheeling diode, AC without free-wheelingdiode), hold/eject clip and inscription plate Co...
Page 27 - PT range; MT Range
Accessories, suitable for 1 and 2 CO Plug-in socket with screw terminal for snapping onto mounting rail no logical separation (standard) LZS:RT78725 with logical separation LZS:RT78726 Plug-in socket with spring-loaded terminal for snapping onto mounting rail with logical separation LZS:RT7872P Hold...
Page 32 - SIRIUS
www.siemens.com/lowvoltage/technical-assistancewww.siemens.com/relays Siemens AG Automation and Drives Low-Voltage Controls and Distribution P.O. Box 48 48, 90327 NUREMBERG, GERMANY Please send the selectedinformation to the followingaddress: SIRIUS AND MORE ENGINEERING SUPPL YING C OMMANDING AND SI...