Siemens 3RV2411-1AA20 Motor Protection Circuit Breaker, 1.1-1.6 A, 3-Pole, S00

The Siemens 3RV2411-1AA20 is a high-performance motor protection circuit breaker (motor starter protector) designed for reliable overload and short-circuit protection of motors and electrical systems. With an adjustable thermal overload range of 1.1 to 1.6 A and a fixed magnetic short-circuit release of 20.8 A, this 3-pole device ensures precise protection for small to medium motors. Its compact S00 size and DIN rail mounting make it ideal for control panels and distribution boards.

Advantages

• Reliable thermal-magnetic protection with adjustable current range
• High breaking capacity up to 100 kA at 400 V AC
• Long electrical and mechanical service life (100,000 and 10,000,000 cycles)
• Compact S00 design saves space in panels
• Complies with international standards IEC 60947-2, IEC 60947-4-1, UL 60947-4-1, CSA C22.2

Suitable for

• Motor protection in industrial automation
• Control cabinets and switchgear
• Pump, fan, and conveyor systems
• HVAC and building services

Key specifications

• Product type: Motor Protection Circuit Breaker
• Size: S00
• Poles: 3
• Adjustable current range (thermal): 1.1 - 1.6 A
• Short-circuit release (magnetic): 20.8 A fixed
• Rated operational voltage: up to 690 V AC
• Rated breaking capacity (400 V AC): 100 kA
• Rated breaking capacity (690 V AC): 2 kA
• Mounting: DIN rail 35 mm / screw fixing
• Connection: Screw terminals
• Protection degree: IP20 (front), IP00 (terminals)
• Ambient temperature: -20 to +60 °C
• Trip class: CLASS 10
• Standards: IEC 60947-2, IEC 60947-4-1, UL 60947-4-1, CSA C22.2

Recommendations

For optimal motor protection, select the current range according to the motor's full load current. Ensure proper mounting and wiring as per the installation manual. This device is a reliable choice for demanding industrial environments.