Siemens 3RV2021-4AA10 Sirius 3-Pole Motor Circuit Breaker Size S0

The Siemens 3RV2021-4AA10, part of the SIRIUS 3RV2 series, is a compact and robust manual motor starter that has been developed for the protection of motors in the range of 10 to 16 A. Housed in the compact S0 frame, this unit combines thermal overload protection with magnetic short-circuit protection in a single unit that can be mounted on a DIN rail. Equipped with a rotary on/off switch for adjustable current settings and extremely reliable Class 10 tripping characteristics, it ensures a fast response to overload events and trips within 10 seconds. The screw terminal design simplifies installation and integration into automation systems. With high breaking capacity, phase loss detection and extensive compliance with international standards, the 3RV2021-4AA10 offers reliable motor control and protection in industrial environments with confined spaces.

Technical Details:

Brand: Siemens
Model Number: 3RV2021-4AA10
Adjustable Current Range: 10-16 A
Maximum Magnetic Tripping Current (N-Tripping): 208 A
Tripping Class: Class 10 (trips on overload within 10 s)
Insulation Voltage / Surge Voltage Strength: 690 V / 6 kV
Mechanical and Electrical Endurance: 100,000 operations each
Shock Resistance: 25 g / 11 ms
Mounting & Terminals: Screw terminals; DIN rail mounting; compact S0 size
Condition: Comparable to images

Note:

For detailed technical data and processing instructions, we strongly recommend consulting the original data sheets or contacting the manufacturer directly.

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