SIEMENS SIRIUS 3RV2 Motor Starter Protector 3.5-5A 3-Pole Screw Terminal 3RV2021-1FA10

Motor starter protector / circuit breaker for reliable protection of motors up to 5 A. The SIRIUS 3RV2 series offers precise overload and short-circuit protection in a compact S0 size, ensuring safe operation of industrial equipment.

Advantages

Thermal overload release adjustable from 3.5 to 5 A and fixed magnetic short-circuit release at 65 A provide tailored protection. High breaking capacity of 100 kA at 400 V AC ensures safety under fault conditions. Screw terminals allow secure wiring, and DIN rail or screw mounting offers flexible installation.

Suitable for

• Motor protection in industrial control panels
• Protection of small motors, pumps, fans, and conveyors
• Applications requiring CLASS 10 tripping characteristics
• Three-phase circuits up to 690 V AC

Key specifications

• Rated operational current: 5 A
• Overload release setting range: 3.5 - 5 A
• Short-circuit release: 65 A
• Tripping class: CLASS 10
• Rated operational voltage: up to 690 V AC
• Rated insulation voltage: 690 V
• Rated impulse withstand voltage: 6 kV
• Breaking capacity at 400 V: 100 kA
• Number of poles: 3
• Connection type: screw terminal
• Mounting: DIN rail 35 mm or screw mounting
• Degree of protection: IP20 (front side)
• Ambient operating temperature: -20 to +60 °C
• Electrical service life: 100,000 switching cycles
• Mechanical service life: 10,000,000 switching cycles

Recommendations

For reliable motor protection in demanding industrial environments, this SIRIUS 3RV2 circuit breaker offers proven performance and easy installation.