Best selling Relays from Siemens
This page always stays fresh and updates automatically.
1. Siemens Power contactor 4kW 2S 2Ö 24-0VAC 9A 3RT2516-2AB00
Power contactor, AC-3, 9 A, 4 kW / 400 V, 4-pole, AC 24 V, 50/60 Hz, main contacts: 2 NO + 2 NC, spring terminal connection, size: S00. Contactor SIRIUS 3RT25 for pole switching in hoisting motors or for switching two separate loads. The 3RT25 contactors are part of the SIRIUS modular system with optimally coordinated products. They impress with high performance while maintaining a compact design and high contact reliability. They can be combined in various ways with other components in the consumer branch. Many of the device combinations are factory tested. The contactors provide the optimal connection to the control system for every application (parallel, via ASi or IO-Link). Integrated auxiliary contacts reduce the complexity of your setup. The front connections allow for easy wiring. The 3RT25 contactors are climate-resistant and globally approved (e.g., IEC and UL/CSA). They are available in various sizes and a wide range of power ratings for AC and DC operation. In addition to screw connection technology, the devices are also fully available with spring terminal connections for quick, maintenance-free, and vibration-resistant connections. The comprehensive accessories, such as auxiliary contacts, auxiliary relays, etc., are standardized across all sizes. Simple, efficient, always up to date - the SIRIUS modular system.
2. Siemens Auxiliary contactor DC 3S/auxiliary 1NC/auxiliary 24V 3A 3RH2131-2SB40
Coupling auxiliary relay, 3 NO + 1 NC, DC 24 V, 0.85 ... 1.85 US, with integrated suppression diode, size S00, spring-loaded connection. The SIRIUS 3RH2 coupling auxiliary relay is designed for switching control signals in the control circuit with direct connection options to electronic controls. The SIRIUS 3RH2 coupling auxiliary relays feature standardized connection designations and a reliable, time-saving connection technology. Output multiplication allows for the simultaneous switching of multiple auxiliary circuits. The contacts are available with forced guidance for safety applications, also as SUVA variants. The coupling auxiliary relays are climate-resistant, offer high contact reliability, and are suitable for worldwide use due to corresponding approvals (e.g., IEC and UL/CSA). They are available in AC or DC operation and come with screw or spring-loaded technology. The extensive accessories of the 3RT2 relays for sizes S00 to S3 can also be used for the 3RH2 coupling auxiliary relays. The 3RH2 coupling auxiliary relays replace the proven 3RH1 series. Simple, efficient, always up to date - the SIRIUS modular system.
3. Siemens SIEM 5TT3405 Voltage relay T5570 AC230/400V 2W 0,85 /0,95
T5570 AC 230/400V 2W 0.85/0.95 asymmetry relay with transparent cover. Siemens switching devices for applications in residential, commercial, and industrial settings. Siemens' innovative switching devices are a key component of the SENTRON range for electrical installations. With remote switches, switching relays, Insta-contactors, and timers, they offer numerous options for implementing various switching functions. Whether for residential construction, infrastructure, or industrial applications, Siemens provides the right portfolio for all switching functions. This way, you have the right device for every requirement! Siemens switching devices are characterized by: 1. Convenient and easy mounting and connection technology. 2. Reliable safety during installation thanks to standard touch protection. 3. Extensive and easily mountable accessories. 4. Optimal technology for your safety - only from Siemens.
4. Siemens Auxiliary contactor DC 8S/Aux 24V 6A 3TH4280-5KB4
Siemens Digital Industry Auxiliary Relay 3TH4280-5KB4
Manufacturer: Siemens Digital Industry
Designation: Auxiliary Relay 8NO
Type: 3TH4280-5KB4
Rated control supply voltage Us at AC 50 Hz: 0 V
Rated control supply voltage Us at AC 60 Hz: 0 V
Rated control supply voltage Us at DC: 24 V
Type of voltage for actuation: DC
Rated operational current Ie, 400 V: 6 A
Connection type for auxiliary circuit: Screw connection
Interface: no
Number of auxiliary contacts as normally open: 8
With LED indicator: no
Suitable for manual operation: no
Further details: Auxiliary relay, 80E, DIN EN 50011, 8 NO, screw connection, DC magnetic system with integrated varistor DC 24V. Auxiliary relay 3TH4 for switching control signals in the control circuit. The 3TH4 auxiliary relays have standardized connection designations and a reliable connection technology. Through output multiplication, simultaneous switching of up to 10 auxiliary circuits is possible. The contacts are designed with forced guidance for safety applications and are also available as SUVA variants. The devices are climate-resistant, have high contact reliability, and are suitable for worldwide use due to corresponding approvals (e.g., IEC and UL/CSA). The 3TH4 auxiliary relays are available in AC or DC actuation in various versions with 8 or 10 poles. Accessories include surge protectors, timers, and coupling elements. EAN: 4011209114449.
5. Siemens 3RT2024-1BF44
Power contactor, AC-3e/AC-3, 12 A, 5.5 kW / 400 V, 3-pole, DC 110 V, auxiliary contacts: 2 NO + 2 NC, screw connection, size: S0, removable auxiliary switch. SIRIUS 3RT2 power contactor for switching motors. The 3RT2 contactors are part of the SIRIUS modular system with optimally coordinated products. They impress with high performance while maintaining a compact design and high contact reliability. They can be combined in various ways with other components in the load branch. Many of the device combinations are factory tested. The contactors provide the optimal connection to the control system for every application (parallel, via ASI or IO-Link). Integrated auxiliary switches reduce the complexity of your setup. The front connections allow for easy wiring. The 3RT2 contactors are climate-resistant, globally approved (e.g., IEC and UL/CSA), and IE3/IE4 ready. They are available in various sizes and a wide power range in AC and DC operation. In addition to screw connection technology, the devices are also available with spring-loaded terminals for a quick, maintenance-free, and vibration-resistant connection. The comprehensive accessories, such as auxiliary switches, auxiliary relays, etc., are standardized for all sizes. The available connection blocks, function modules, and the SIRIUS 3RV29 power supply system significantly reduce wiring effort. The 3RT2 power contactors replace the proven 3RT1 series (up to 55 kW). Simple, efficient, always up to date - the SIRIUS modular system.
6. Siemens Impulse switch 230VAC 1TE 16A 250V 5TT4142-3
Siemens Digital Industry Remote Switch 5TT4142-3
Manufacturer: Siemens Digital Industry
Designation: Remote Switch 12VAC 16A 2S
Type: 5TT4142-3
Function: Other
Mounting Type: DIN Rail
Width in Division Units: 1
Installation Depth: 70 mm
Number of Contacts as Normally Open: 2
Control Voltage 1: 9.6..13.2 V
Control Voltage Type 1: AC
Frequency of Control Voltage 1: 50 Hz
Control Voltage Type 2: AC/DC
Frequency of Control Voltage 2: 50 Hz
Rated Switching Current: 16 A
Supply Voltage: 250 V
Voltage Type of Supply Voltage: AC
Max. Incandescent Lamp Load: 2000 W
Max. Fluorescent Lamp Load: 500 VA
Max. Fluorescent Lamp Load (Duo Circuit): 900 VA
Max. Fluorescent Lamp Load (Parallel Compensated): 400 VA
Max. Switching Current (cos phi 0.6): 16 A
Suitable for Manual Operation: Yes
Siemens Digital Industry Remote Switch 5TT4142-3: Additional Details
Remote switch with 2 normally open contacts, with shutter control contact for AC 230V, 400V 16A control AC 12V. Siemens switching devices for applications in residential, commercial, and industrial settings. The innovative switching devices from Siemens are an essential part of the SENTRON components for electrical installation. With remote switches, switching relays, Insta contactors, and timers, they offer numerous possibilities for implementing various switching functions. Whether for residential construction, infrastructure, or industrial applications, Siemens provides the right portfolio for all switching functions. This way, you have the right device for every requirement!
Siemens switching devices are characterized by:
1. Comfortable and easy mounting and connection technology.
2. Reliable safety during installation thanks to standard touch protection.
3. Extensive and easily mountable accessories.
4. Optimal technology for your safety - only from Siemens.
EAN: 4001869312651.
7. Siemens Auxiliary switch block 2S+2Ö,Bgr.S00,S0 3RH2911
Siemens Digital Industry Auxiliary Switch Block 3RH2911-2GA22
Manufacturer: Siemens Digital Industry
Designation: Auxiliary Switch Block 2S+2Ö, Bgr.S00, S0
Type: 3RH2911-2GA22
Number of contacts as normally closed: 2
Number of contacts as normally open: 2
Rated operational current Ie at AC-15, 230 V: 6 A
Type of electrical connection: Spring clamp connection
Design: Plug-on
Mounting type: Other
Base: Without
Additional details:
Auxiliary switch, front-mounted, 2 S + 2 Ö, 53/54, 61/62, 71/72, 83/84, circuit: 1 S, 1 Ö, 1 Ö, 1 S, spring clamp connection, physically coded, can only be combined with auxiliary relays 3RH2140 and 3RH2440 (according to EN 50011). SIRIUS 3RH29 auxiliary switch for expanding auxiliary contacts in the control circuit. The front-mounted auxiliary switches 3RH29 can be installed without tools, regardless of size, on the contactors 3RT2 and auxiliary relays 3RH2. The auxiliary switches 3RH19/3RH29 are available as front-mounted or side-mounted variants, with up to four instant switching normally closed or up to two pre-energized normally open contacts. The auxiliary switches can be designed as forcibly guided contact elements in auxiliary relays 3RH or as mirror contacts in power relays 3RT. They are available with screw connection and spring clamp connection. Simple, efficient, always up to date - the SIRIUS system modular concept.
EAN: 4011209829473.
8. Siemens SIEM circuit breaker
Circuit breaker 3VA6 UL Frame 150 Switching capacity class H 65kA @ 480V, 4-pole, system protection ETU330, LIG, In=100A overload protection, 100% rated Ir=40A...100A short-circuit protection Ii=1.5...12 x In, adjustable neutral conductor protection (OFF, 50%, 100%), earth fault protection Ig=0.2...1 x In= tg=0.1/0.3s without connection.
The SENTRON 3VA6 compact circuit breaker with UL approval provides effective system protection through safe disconnection in the event of overload and short circuit. The compact circuit breakers 3VA5 and 3VA6 set standards in flexibility and modular variety while requiring minimal space. In addition to the IEC standard, both series also comply with the UL standard. Therefore, all functionalities can be used globally for systems.
The compact circuit breakers 3VA6 are available in 3- and 4-pole versions with various rated continuous currents for installation in fixed mounting as well as in plug-in technology. The modular and easy-to-install accessories with a wide range of functions are consistent and uniform across all sizes and series of the 3VA compact circuit breakers. SENTRON compact circuit breakers 3VA - a system for all applications.
9. Siemens Overload Relay 0.55-0.80A S00
FLC motor power: 0.8 A
Nominal contact current: 3 A
Contact configuration: 3P
Range: Sirius Innovation
Rated contact voltage: 690 V
Mounting type: Stand-alone
Series: 3RU2
Contact configuration: Normally open/Normally closed
Number of auxiliary contacts: 2
Reset type: Automatic, Manual
Width: 79.5 mm
Operating temperature range: -40 to +70 °C
CE, UL, CSA. Screw terminal blocks can only be used with screw terminal block overload relays, and spring terminal blocks can only be used with spring terminal block overload relays. Overload relays - 3RU series. Switch position indication and test function, stop button, manual/automatic reset selector switch, screw terminal or spring terminal versions. Impulse withstand voltage: 6 kV, insulation voltage: 690 V. Brackets available for surface or DIN rail mounting. 3RU21 thermal overload relays up to 80 A are designed to protect current-sensitive loads with normal starting. These thermal overload relays are intended for use with Sirius contactors of sizes S0 and S00.
10. Siemens Indus.Sector Overload Relay 3RU2126-1JC0
Siemens digital industrial overload relay 3RU2126-1JC0
Manufacturer: Siemens Digital Industries
Designation: Overload relay 7.0-10A S0 Class 10
Type: 3RU2126-1JC0
Adjustable current range: 7-10 A
Max. rated operational voltage: 690 V
Mounting type: Direct mounting
Connection type main circuit: Spring-cage connection
Number of auxiliary contacts as NC contacts: 1
Number of auxiliary contacts as NO contacts: 1
Tripping class: Class 10
Reset function input: No
Reset function automatic: Yes
Reset function push-button: Yes
Further details:
This overload relay provides thermal protection for motors with a current range of 7.0 to 10 A, designed for size S0 and Class 10 contactor mounting. The main circuit features spring-loaded terminals, and the auxiliary circuit also utilizes spring-loaded terminals. It offers manual and automatic reset options. The SIRIUS 3RU2 thermal overload relay protects against excessive heating due to overload or phase failure, making it particularly flexible and cost-effective. It has worldwide approvals, including IEC and UL/CSA, and is suitable for applications in potentially explosive atmospheres (ATEX or IEC Ex). Available with various setting ranges for the overload release, it features screw or spring-cage connections for quick, maintenance-free, and vibration-proof installation. Accessories are compatible with all sizes from S00 to S3. The SIRIUS modular system is simple, efficient, and always up-to-date.
Product order
See all products