SIEMENS SIRIUS 3RV2011-1HA25 Motor Starter Protector, 5.5-8 A, 3-Pole, Screw Terminal

Protect motors from overload, short-circuit, and phase failure with the SIEMENS SIRIUS 3RV2011-1HA25 motor starter protector. This compact device ensures reliable operation of three-phase motors up to 8 A, preventing costly downtime and equipment damage.

Who is it for

Ideal for industrial control panels, machine builders, and maintenance technicians who need a robust and precise motor protection solution in a space-saving S00 size.

Main features

• Overload release adjustable from 5.5 A to 8 A
• Fixed short-circuit release at 8 A
• 3-pole design with screw terminals
• High breaking capacity: 100 kA at 400 V AC
• Tripping class 10 for standard motor protection
• Phase failure sensitivity for added safety
• DIN rail or screw mounting
• Wide operating temperature range: -20°C to +60°C

Specifications

• Product type: Motor starter protector
• Series: SIRIUS 3RV2
• Size: S00
• Rated operational current (AC-3): 8 A
• Overload release setting range: 5.5 - 8 A
• Short-circuit release: 8 A fixed
• Number of poles: 3
• Connection type: Screw terminal
• Rated insulation voltage: 690 V
• Rated impulse withstand voltage: 6 kV
• Rated operational voltage: up to 690 V AC
• Rated ultimate short-circuit breaking capacity at 400 V: 100 kA
• Tripping class: CLASS 10
• Mounting: DIN rail / screw mounting
• Degree of protection: IP20 (terminals)
• Ambient operating temperature: -20 to +60 °C
• Electrical service life: 100,000 cycles
• Mechanical service life: 10,000,000 cycles
• Protection functions: overload, short-circuit, phase failure

Tips

Always set the overload release to the motor's rated current. For motors with high inrush currents, consider a higher tripping class or a different device. Ensure proper ventilation around the device to maintain operating temperature limits.