3RV2021-4FA10

SIRIUS 3RV2021-4FA10, S0 frame motor protection circuit breaker, adjustable current 34-40A, screw terminals, rated current 40A, instantaneous trip 480A, short circuit breaking capacity up to 100kA at 240V, suitable for medium and large motors.

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Siemens SIRIUS 3RV2021-4FA10 Motor Protection Circuit Breaker Product Image

Product Positioning

The SIRIUS 3RV2021-4FA10 is a Siemens S0 frame motor protection circuit breaker with an adjustable current range of 34 to 40A. It is one of the highest current rating models in the 3RV2021 series and is suitable for the protection of medium and large three-phase motors.

Core Product Advantages and Features

High current adjustable range

The overload current is adjustable from 34 to 40A, and the rated operating current reaches 40A, meeting the protection requirements of high-power motors.

Multi-voltage breaking capacity

The maximum short-circuit breaking capacity is 100kA at 240V, and there are also corresponding breaking capacity levels from 400V to 690V.

Secure screw terminals

The main circuit uses M4 screw terminals with a locking torque of 2 to 2.5 N·m, ensuring reliable wiring.

Standard rail installation

It can be fixed to a 35mm standard guide rail by screws or clips, making installation and maintenance convenient.

project	Specification
model	3RV2021-4FA10
Frame size	S0
Overload current adjustable range	34...40 A
Rated operating current (AC-3)	40 A
Instantaneous short-circuit release value (N-release)	480 A
Break away from level	CLASS 10
Terminal type	Screw terminal (M4)
Maximum short-circuit breaking capacity Icu	240V:100kA／400V:20kA／500V:6kA／690V:3kA
Extreme number	3P
External dimensions (height x width x depth)	97 x 45 x 97 mm
Installation method	35mm standard guide rail

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