SIEMENS 3RV20214AA10 motor protection circuit breaker

Motor protection (including IE3/IE4 motors)

System protection

Short-circuit protection in starter combinations

Transformer protection

Can be used as a main switch and emergency stop switch

Suitable for IT networks

Usable in hazardous areas (ATEX, IECEx certified)

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The SIEMENS 3RV2021-4AA10 is a motor protection circuit breaker from the SIRIUS 3RV2 series. With frame size S0, it is designed to protect motors against overload and short circuits. It features a CLASS 10 tripping characteristic, meaning it disconnects the circuit within approximately 10 seconds under overload conditions.

Thermal setting range (A-release): 10...16 A (adjustable)

Magnetic trip (N-release): 208 A

Trip class: CLASS 10

Breaking capacity (Icu):

240V: 100 kA
400V: 55 kA
500V: 10 kA
690V: 4 kA

Phase failure detection: Yes

Power loss: 9.25 W total, 3.1 W per pole

Rated insulation voltage: 690 V

Impulse withstand voltage: 6 kV

Mechanical/electrical endurance: ~100,000 operations

Mounting type: DIN rail + screw connection

Dimensions: 97 mm (H) × 45 mm (W) × 97 mm (D)

Weight: 0.364 kg

Operating temperature: –20 °C to +60 °C

Storage temperature: –50 °C to +80 °C

Protection class: IP20

Frequency: 50–60 Hz

Approvals: UL/CSA, CE, EAC, UKCA, ATEX, IECEx

Data Sheet