Siemens S00 Guardamotor 3,5-5A clase 10 tripolar 3RV20111FA25

Protect motors from overload and short circuits with the Siemens 3RV20111FA25 motor starter protector. This compact S00 device offers reliable thermal-magnetic protection for motors with a current setting range of 3.5 to 5 A, ensuring safe operation in industrial environments.

Who is it for

Electrical engineers, panel builders, and maintenance technicians who need dependable motor protection in motor control centers, industrial machinery, and automation systems.

Main features

• Thermal-magnetic trip unit with adjustable current setting from 3.5 to 5 A
• Class 10 overload release for standard motor starting conditions
• Short-circuit instantaneous setting at 65 A
• 3-pole design for three-phase motor protection
• Screw terminals for secure wiring
• DIN rail or screw mounting for flexible installation
• Rated operational voltage up to 690 V AC
• High breaking capacity of 100 kA at 400 V

Specifications

• Frame size: S00
• Current setting range: 3.5 - 5 A
• Overload release class: CLASS 10
• Short-circuit instantaneous setting: 65 A
• Number of poles: 3
• Rated operational voltage (Ue): up to 690 V AC
• Rated insulation voltage (Ui): 690 V
• Rated impulse withstand voltage (Uimp): 6 kV
• Connection type: screw terminal
• Mounting type: DIN rail / screw mounting
• Rated operational current (Ie): 5 A
• Rated ultimate short-circuit breaking capacity (Icu) at 400V: 100 kA
• Degree of protection: IP20 (front), IP00 (terminals)
• Ambient operating temperature: -20 to +60 °C
• Type of release: thermal-magnetic
• Electrical endurance: 100,000 switching cycles
• Mechanical endurance: 100,000 switching cycles
• Rated frequency: 50/60 Hz
• Standards: IEC 60947-2, IEC 60947-4-1

Tips

Set the current adjustment dial to match the motor's full-load current. For motors with high inrush currents, verify that the instantaneous trip setting does not cause nuisance tripping during startup.