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 (CHF) 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,10A,48-600V,3P,4-30VDC,ZP,SCREW 5In Stock
CHF 409.11
CHF 364.85
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,50A,48-600V,3P,4-30VDC,ZP,SCREW 2In Stock
CHF 519.52
CHF 462.50
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,30A,48-600V,3P,4-30VDC,ZP,SCREW 3In Stock
CHF 488.50
CHF 434.88
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 11/20/2026
CHF 637.34
CHF 567.34
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
CHF 366.76
CHF 326.51
CHF 311.74
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
1On Order
CHF 455.75
CHF 405.19
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
2On Order
CHF 553.78
CHF 492.97
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
CHF 371.25
CHF 330.56
CHF 315.60
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
CHF 315.83
CHF 304.16
CHF 299.88
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
CHF 371.25
CHF 330.56
CHF 315.60
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
CHF 434.55
CHF 386.84
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
CHF 434.55
CHF 386.84
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
CHF 358.93
CHF 319.59
CHF 305.12
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
CHF 385.74
CHF 343.47
CHF 327.93
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
CHF 429.60
CHF 382.43
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
CHF 457.87
CHF 407.60
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
CHF 398.50
CHF 354.75
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
CHF 398.50
CHF 354.75
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
CHF 476.94
CHF 424.57
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
CHF 476.94
CHF 424.57
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
CHF 396.63
CHF 353.15
CHF 337.18
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
CHF 409.11
CHF 364.19
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
CHF 477.65
CHF 425.21
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
CHF 503.08
CHF 447.85
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
CHF 429.60
CHF 382.43
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