Siemens SIRIUS 3RV2011-1AA25 Motor Starter Protector, 3-Pole, 0.7-1.1 A, S00, Screw Terminals

In industrial control panels, the Siemens 3RV2011-1AA25 motor starter protector safeguards 3-phase motors up to 1.1 A against overload and short-circuit. This 3-pole circuit breaker combines thermal overload and magnetic short-circuit protection in a compact S00 frame, making it a reliable choice for motor branch circuits.

Key specifications

• Product type: Motor Starter Protector / Circuit Breaker
• Number of poles: 3
• Frame size: S00
• Setting range (thermal overload): 0.7 - 1.1 A
• Rated operational current (Ie): 1.1 A
• Rated operational voltage (Ue): 690 V AC
• Tripping characteristic: Thermal (overload) and magnetic (short-circuit)
• Short-circuit breaking capacity (Icu) at 400 V AC: 100 kA
• Short-circuit breaking capacity (Icu) at 690 V AC: 2 kA
• Rated insulation voltage (Ui): 690 V
• Rated impulse withstand voltage (Uimp): 6 kV
• Mounting type: DIN rail / Screw fixing
• Connection type: Screw terminals
• Degree of protection: IP20
• Ambient operating temperature: -20 to +60 °C
• Overload release class: CLASS 10
• Standards: IEC 60947-2, IEC 60947-4-1

Why choose it

This motor starter protector offers precise overload protection with a Class 10 tripping characteristic, ensuring motors are disconnected quickly under fault conditions. Its high short-circuit breaking capacity of 100 kA at 400 V AC provides robust protection in demanding industrial environments.

Ideal use cases

• Protecting small 3-phase motors in industrial machinery
• Motor branch circuit protection in control panels
• Applications requiring DIN rail or screw mounting

Good to know

The S00 frame size allows for compact panel design, and the screw terminals provide secure wiring connections. The device meets IEC 60947-2 and IEC 60947-4-1 standards.