3RV2431-4DA10

The Siemens 3RV2431-4DA10 is an S2 size three-pole circuit breaker with an A-operation overload range of 18...25A, a N-operation short-circuit trip fixed 512A, a rated current of 25A, screw terminal mounting, and is suitable for overload and short-circuit protection of the primary circuit of small transformers.

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Product image of Siemens 3RV2431-4DA10 SIRIUS 3RV2 S2 transformer protection circuit breaker

Product Positioning

The 3RV2431-4DA10 is a SIRIUS 3RV2 series S2 size transformer protection circuit breaker with an A-operation overload range of 18...25A, suitable for protection configurations of small transformer circuits.

Core Product Advantages and Features

Small transformer circuit protection

Action A overload adjustable range 18...25A, rated current 25A, corresponding to the rated current of the primary side of a small transformer.

Fixed short-circuit trip design

The N-operation short-circuit trip value is fixed at 512A, which can withstand the excitation surge at the moment of transformer closing without tripping erroneously.

S2 casing standardization

The external dimensions are 140×55×149mm, and it shares the same installation specifications as the S2 circuit breaker in the same series.

Industrial-grade blocking capacity

With a rated insulation voltage of 690V and a breaking capacity of 30kA at 400V, it meets the short-circuit protection requirements of general low-voltage panels.

project	Specification
model	3RV2431-4DA10
series	SIRIUS 3RV2
Casing size	S2
use	Transformer Protection
A. Action (Overload) Adjustment Range	18...25 A
N-action (short circuit) trip value	512 A
Rated current	25 A
Rated insulation voltage	690 V (Applicable to 20...690V)
Interrupting capacity Icu@240V	100 kA
Interrupting capacity Icu@400V	30 kA
Extreme number	3P
Terminal type	Screw terminals
External dimensions (height × width × depth)	140×55×149 mm
net weight	1.072 kg

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