Siemens 3RV2011-1KA10 SIRIUS Motor Protection Circuit Breaker

Q1: What is the Siemens 3RV2011-1KA10?

It is a SIRIUS 3RV2 motor protection circuit breaker with an adjustable overload range of 9–12.5 A, a 163 A magnetic short-circuit release, and Class 10 tripping. It uses screw terminals in the compact S00 frame .

Q2: Is this product still in production?

Yes. It is classified under Siemens PLM status PM300: Active Product, ensuring ongoing availability and support .

Q3: What is the overload adjustment range?

The A-release is adjustable from 9 to 12.5 A .

Q4: What is the short-circuit release rating?

The N-release is fixed at 163 A (magnetic) .

Q5: What is the motor power rating?

The breaker is rated for 5.5 kW at 400 V AC in AC-3 duty (12.5 A), and 3 kW at 230 V AC .

Q6: Does this breaker include auxiliary contacts?

No. The basic unit has 0 NO + 0 NC auxiliary contacts. Auxiliary switch blocks can be added as accessories .

Q7: What type of terminals does it use?

It uses screw terminals. For spring terminals, the 3RV2011-1KA20 variant is available .

Q8: What is the short-circuit breaking capacity?

The Icu is 100 kA at 240 V and 400 V AC .

Q9: What are the dimensions and weight?

Approximately 45 × 97 × 97 mm (W × H × D) and 0.350 kg .

Q10: What is the country of origin?

Germany .

Q11: What should I verify before ordering?

Always verify the exact part number (3RV2011-1KA10 for screw terminal vs. 1KA20 for spring terminal vs. 1KA40 for ring lug), confirm your motor full-load current falls within the 9–12.5 A range, check that the 163 A short-circuit release is appropriate for your application, and ensure your contactor is compatible (S00 or S0 frame) .