SIRIUS 3RF4 Solid-State Switching Devices

Siemens SIRIUS 3RF4 Solid-State Switching Devices provide wear-free and noiseless switching of motors. The series is designed for frequently switching on/off AC drives up to 7.5kW and for reversing up to 3.0kW. These Siemens solid-state switching devices are fully insulated and can be mounted directly onto motor starter protectors, overload relays, and SIRIUS current monitoring relays. 3RF4 three-phase solid-state contactors are equipped with a two-phase control suitable for typical motor circuits without a connection to the neutral conductor. Siemens SIRIUS 3RF4 switching devices with a width of 45mm cover motors up to 2.2kW, and those with a width of 90mm cover motors up to 3kW.

Results: 42
Select Image Part # Mfr. Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Mounting Style Load Current Rating Load Voltage Rating Control Voltage Range Minimum Operating Temperature Maximum Operating Temperature Length Width Height Series
Siemens Contactors - Solid State SS CONT,50A,48-600V,3P,4-30VDC,ZP,SCREW 2In Stock
555,04 €
494,12 €
Min.: 1
Mult.: 1
Chassis Mount 50 A 48 VAC to 600 VAC 4 VDC to 30 VDC - 25 C + 60 C 119.5 mm 130 mm 95 mm 3RF4
Siemens Contactors - Solid State SS CONT,10A,48-600V,3P,4-30VDC,ZP,SCREW 5In Stock
437,08 €
389,80 €
Min.: 1
Mult.: 1
Chassis Mount 10.5 A 48 VAC to 600 VAC 4 VDC to 30 VDC - 25 C + 60 C 45 mm 96.5 mm 95 mm 3RF4
Siemens Contactors - Solid State SS CONT,30A,48-600V,3P,4-30VDC,ZP,SCREW 3In Stock
521,90 €
464,62 €
Min.: 1
Mult.: 1
Chassis Mount 30 A 48 VAC to 600 VAC 4 VDC to 30 VDC - 25 C + 60 C 89.5 mm 128 mm 100 mm 3RF4
Siemens Contactors - Solid State SS CONT,50A,48-600V,3P,4-30VDC,ZP,SCREW 2In Stock
1Expected 20/11/2026
680,92 €
606,13 €
Min.: 1
Mult.: 1
Chassis Mount 50 A 48 VAC to 600 VAC 4 VDC to 30 VDC - 25 C + 60 C 119.5 mm 130 mm 150 mm 3RF4
Siemens Contactors - Solid State SS CONT,20A,48-600V,3P,4-30VDC,ZP,SCREW 3In Stock
391,84 €
348,84 €
333,06 €
Min.: 1
Mult.: 1
Chassis Mount 22 A 48 VAC to 600 VAC 4 VDC to 30 VDC - 25 C + 60 C 45 mm 117 mm 100 mm 3RF4
Siemens Contactors - Solid State SS CONT,20A,48-600V,3P,4-30VDC,ZP,SCREW 2In Stock
1Expected 22/10/2026
486,91 €
432,89 €
Min.: 1
Mult.: 1
Chassis Mount 22 A 48 VAC to 600 VAC 4 VDC to 30 VDC - 25 C + 60 C 74.5 mm 119.5 mm 100 mm 3RF4
Siemens Contactors - Solid State SS CONT,40A,48-600V,3P,4-30VDC,ZP,SCREW 1In Stock
2Expected 19/10/2026
591,64 €
526,68 €
Min.: 1
Mult.: 1
Chassis Mount 40 A 48 VAC to 600 VAC 4 VDC to 30 VDC - 25 C + 60 C 119.5 mm 130 mm 95 mm 3RF4
Siemens Contactors - Solid State SOLID-STATE CONTACTOR 3-PHASE 3RF2 Non-Stocked Lead-Time 2 Weeks
396,63 €
353,16 €
337,18 €
Min.: 1
Mult.: 1
Chassis Mount 10.5 A 48 VAC to 600 VAC 90 VAC to 125 VAC - 25 C + 60 C 45 mm 96.5 mm 95 mm 3RF4
Siemens Contactors - Solid State SS CONT,10A,48-600V,3P,4-30VDC,ZP,SCREW Non-Stocked Lead-Time 4 Weeks
337,42 €
324,96 €
320,38 €
Min.: 1
Mult.: 1
Chassis Mount 10.5 A 48 VAC to 600 VAC 4 VDC to 30 VDC - 25 C + 60 C 45 mm 96.5 mm 95 mm 3RF4
Siemens Contactors - Solid State SS CONT,10A,48-600V,3P,230VAC,ZP,SCREW Non-Stocked Lead-Time 2 Weeks
396,63 €
353,16 €
337,18 €
Min.: 1
Mult.: 1
Chassis Mount 10.5 A 48 VAC to 600 VAC 230 VAC to 480 VAC - 25 C + 60 C 45 mm 96.5 mm 95 mm 3RF4
Siemens Contactors - Solid State SOLID-STATE CONTACTOR 3-PHASE 3RF2 Non-Stocked Lead-Time 2 Weeks
464,26 €
413,29 €
Min.: 1
Mult.: 1
Chassis Mount 10.5 A 48 VAC to 600 VAC 90 VAC to 125 VAC - 25 C + 60 C 45 mm 96.5 mm 95 mm 3RF4
Siemens Contactors - Solid State SS CONT,10A,48-600V,3P,230VAC,ZP,SCREW Non-Stocked Lead-Time 2 Weeks
464,26 €
413,29 €
Min.: 1
Mult.: 1
Chassis Mount 10.5 A 48 VAC to 600 VAC 180 VAC to 230 VAC - 25 C + 60 C 45 mm 96.5 mm 95 mm 3RF4
Siemens Contactors - Solid State SS CONT,10A,48-600V,3P,4-30VDC,ZP,SPRING Non-Stocked Lead-Time 4 Weeks
383,47 €
341,44 €
325,98 €
Min.: 1
Mult.: 1
Chassis Mount 10.5 A 48 VAC to 600 VAC 4 VDC to 30 VDC - 25 C + 60 C 45 mm 96.5 mm 95 mm 3RF4
Siemens Contactors - Solid State SS CONT,10A,48-600V,3P,230VAC,ZP,SPRING Non-Stocked Lead-Time 2 Weeks
412,12 €
366,95 €
350,35 €
Min.: 1
Mult.: 1
Chassis Mount 10.5 A 48 VAC to 600 VAC 180 VAC to 230 VAC - 25 C + 60 C 45 mm 96.5 mm 95 mm 3RF4
Siemens Contactors - Solid State SS CONT,10A,48-600V,3P,4-30VDC,ZP,SPRING Non-Stocked Lead-Time 3 Weeks
458,97 €
408,58 €
Min.: 1
Mult.: 1
Chassis Mount 10.5 A 48 VAC to 600 VAC 4 VDC to 30 VDC - 25 C + 60 C 45 mm 96.5 mm 95 mm 3RF4
Siemens Contactors - Solid State SS CONT,10A,48-600V,3P,230VAC,ZP,SPRING Non-Stocked Lead-Time 2 Weeks
489,18 €
435,47 €
Min.: 1
Mult.: 1
Chassis Mount 10.5 A 48 VAC to 600 VAC 180 VAC to 230 VAC - 25 C + 60 C 45 mm 96.5 mm 95 mm 3RF4
Siemens Contactors - Solid State SOLID-STATE CONTACTOR 3-PHASE 3RF2 Non-Stocked Lead-Time 2 Weeks
425,75 €
379,01 €
Min.: 1
Mult.: 1
Chassis Mount 22 A 48 VAC to 600 VAC 90 VAC to 125 VAC - 25 C + 60 C 45 mm 117 mm 100 mm 3RF4
Siemens Contactors - Solid State SS CONT,20A,48-600V,3P,230VAC,ZP,SCREW Non-Stocked Lead-Time 2 Weeks
425,75 €
379,01 €
Min.: 1
Mult.: 1
Chassis Mount 22 A 48 VAC to 600 VAC 180 VAC to 230 VAC - 25 C + 60 C 45 mm 117 mm 100 mm 3RF4
Siemens Contactors - Solid State SOLID-STATE CONTACTOR 3-PHASE 3RF2 Non-Stocked Lead-Time 3 Weeks
509,55 €
453,60 €
Min.: 1
Mult.: 1
Chassis Mount 22 A 48 VAC to 600 VAC 90 VAC to 125 VAC - 25 C + 60 C 74.5 mm 119.5 mm 100 mm 3RF4
Siemens Contactors - Solid State SS CONT,20A,48-600V,3P,230VAC,ZP,SCREW Non-Stocked Lead-Time 2 Weeks
509,55 €
453,60 €
Min.: 1
Mult.: 1
Chassis Mount 22 A 48 VAC to 600 VAC 180 VAC to 230 VAC - 25 C + 60 C 74.5 mm 119.5 mm 100 mm 3RF4
Siemens Contactors - Solid State SS CONT,20A,48-600V,3P,4-30VDC,ZP,SPRING Non-Stocked Lead-Time 2 Weeks
423,75 €
377,30 €
360,23 €
Min.: 1
Mult.: 1
Chassis Mount 22 A 48 VAC to 600 VAC 4 VDC to 30 VDC - 25 C + 60 C 45 mm 117 mm 100 mm 3RF4
Siemens Contactors - Solid State SS CONT,20A,48-600V,3P,230VAC,ZP,SPRING Non-Stocked Lead-Time 2 Weeks
437,08 €
389,09 €
Min.: 1
Mult.: 1
Chassis Mount 22 A 48 VAC to 600 VAC 180 VAC to 230 VAC - 25 C + 60 C 45 mm 117 mm 100 mm 3RF4
Siemens Contactors - Solid State SS CONT,20A,48-600V,3P,4-30VDC,ZP,SPRING Non-Stocked Lead-Time 2 Weeks
510,31 €
454,28 €
Min.: 1
Mult.: 1
Chassis Mount 22 A 48 VAC to 600 VAC 4 VDC to 30 VDC - 25 C + 60 C 74.5 mm 119.5 mm 100 mm 3RF4
Siemens Contactors - Solid State SS CONT,20A,48-600V,3P,230VAC,ZP,SPRING Non-Stocked Lead-Time 2 Weeks
537,48 €
478,47 €
Min.: 1
Mult.: 1
Chassis Mount 22 A 48 VAC to 600 VAC 180 VAC to 230 VAC - 25 C + 60 C 74.5 mm 119.5 mm 100 mm 3RF4
Siemens Contactors - Solid State SOLID-STATE CONTACTOR 3-PHASE 3RF2 Non-Stocked Lead-Time 2 Weeks
458,97 €
408,58 €
Min.: 1
Mult.: 1
Chassis Mount 30 A 48 VAC to 600 VAC 90 VAC to 125 VAC - 25 C + 60 C 74.5 mm 119.5 mm 100 mm 3RF4