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 374.57
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 1In Stock
CHF 519.52
CHF 452.61
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,20A,48-600V,3P,4-30VDC,ZP,SCREW 3In Stock
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,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 11/16/2026
CHF 619.89
CHF 551.84
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,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 315.08
CHF 314.31
CHF 309.70
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 315.08
CHF 314.31
CHF 309.70
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 378.76
CHF 374.48
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 378.76
CHF 374.48
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 304.90
CHF 303.96
CHF 299.51
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 327.27
CHF 326.53
CHF 321.77
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 374.02
CHF 370.09
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 399.09
CHF 394.22
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 346.91
CHF 343.29
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 346.91
CHF 343.29
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 415.36
CHF 410.52
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 415.36
CHF 410.52
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 336.75
CHF 335.83
CHF 330.92
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 356.40
CHF 352.51
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 416.02
CHF 411.15
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 438.38
CHF 433.12
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 374.02
CHF 370.09
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