3RV2042-4JA10

The Siemens SIRIUS 3RV2042-4JA10 is an S3 frame motor protection circuit breaker with 10 trip levels, a current of 45~63A, an instantaneous trip of 819A, and a maximum breaking capacity of 100kA for 400V. It belongs to the category of high breaking capacity products.

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Siemens SIRIUS 3RV2042-4JA10 Motor Protection Circuit Breaker 45-63A

Product Positioning

The 3RV2042-4JA10 is a SIRIUS 3RV2 series S3 frame motor protection circuit breaker. It adopts a 10-level standard tripping characteristic and has an enhanced breaking capacity of 100kA at 400V. It is suitable for general load motor circuits.

Core Product Advantages and Features

S3 frame, 45~63A current setting

The current setting range is 45~63A, and the rated operating current is 63A. It is suitable for overload and short circuit protection of medium-sized three-phase motors.

10-level standard tripping characteristics

It adopts the IEC 60947-4-1 Class 10 tripping curve, which has a faster response speed and is suitable for standard motor applications with general start-up time.

100kA Enhanced Breaking Capacity at 400V

With an instantaneous trip current of 819A and a maximum short-circuit breaking capacity of 100kA at 400V, it has a higher breaking capacity than the standard type, thus improving the system safety margin.

Complete multi-voltage disconnection data

It also provides breaking capacity data for different voltages such as 240V, 500V, and 690V, making it convenient to select according to the voltage of the power grid on site.

project	Specification
model	3RV2042-4JA10
Product Series	Siemens SIRIUS 3RV2
Frame size	S3
Extreme number	3P
Trip-off level	CLASS 10
Current setting range (A-release)	45...63 A
Instantaneous trip current (N-release)	819 A
240V maximum breaking capacity Icu	100 kA
400V maximum/operating breaking capacity	100 kA / 50 kA
500V maximum/operating breaking capacity	15 kA / 7.5 kA
690V maximum/operating breaking capacity	7.5 kA / 4 kA
Rated operating voltage	AC 20...690 V
Terminal type	Screw terminals
Installation method	35mm DIN rail clamping/screw fixing

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