3RV2021-4EA25

SIRIUS 3RV2021-4EA25, S0 frame motor protection circuit breaker, adjustable current 27-32A, rated continuous current 32A, instantaneous trip 400A, rated operating voltage 690V, with phase sequence loss sensing, suitable for three-phase motor circuit protection.

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Siemens SIRIUS 3RV2021-4EA25 Motor Protection Circuit Breaker Product Image

Product Positioning

The SIRIUS 3RV2021-4EA25 is a Siemens S0 frame motor protection circuit breaker with an adjustable current range of 27 to 32A. It features thermal overload and phase sequence loss sensing functions and is suitable for three-phase motor circuits below 690V.

Core Product Advantages and Features

Precise overload current setting

The current is adjustable from 27 to 32A, and can be set according to the motor's rated current to avoid overheating or accidental tripping.

Phase sequence loss sensing

It has phase sequence and phase loss sensing capabilities, and can detect and trip the motor protection motor in time when the power supply is abnormal.

Transient short circuit protection

With an instantaneous trip response value of 400A, it can quickly disconnect in the event of a short circuit, ensuring the safety of circuit components.

High rated operating voltage

With a rated operating voltage of up to 690V, it is applicable to a wide range of medium and high voltage power distribution system motor circuits.

project	Specification
model	3RV2021-4EA25
Frame size	S0
Overload current adjustable range	27...32 A
Rated continuous current Iu	32 A
Instantaneous short-circuit release value (N-release)	400 A
Circuit breaking method	Electromagnetic
Additional features	Thermal overload protection, phase sequence loss sensing
Rated operating voltage	690 V AC
Extreme number	3P

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