3RV2142-4JA10

Siemens 3RV2142-4JA10 SIRIUS S3 Motor Protection Circuit Breaker
Siemens 3RV2142-4JA10 SIRIUS S3 Motor Protection Circuit Breaker

SIRIUS 3RV2142-4JA10, S3 housing motor protection circuit breaker, current setting range 45-63A, with phase loss detection and CLASS 10 overload protection, suitable for medium and large three-phase motor circuits.

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Siemens 3RV2142-4JA10 SIRIUS S3 Motor Protection Circuit Breaker
Product Positioning

The 3RV2142-4JA10 is a SIRIUS 3RV2 series S3 enclosure motor protection circuit breaker with a current setting range of 45-63A and phase loss detection function. It is suitable for the protection of medium and large three-phase motor circuits.

Core Product Advantages and Features
45-63A Setting Range
The S3 housing current setting range is 45-63A, which can cover the rated current requirements of various medium and large motors.
High short-circuit breaking capacity
The rated short-circuit breaking capacity Icu reaches 100kA at 400V and still has 7.5kA at 690V, to accommodate different voltage environments.
Phase loss protection function
Built-in phase failure detection allows for immediate tripping when a single phase of the motor is disconnected, reducing the risk of motor burnout.
DIN rail mounting
It supports both 35mm DIN rail clips and screws for easy installation and maintenance.
project Specification
series SIRIUS 3RV2
Casing size S3
Current setting range 45–63 A
Rated current 63 A
Instantaneous short-circuit trip current 819 A
Rated short-circuit breaking capacity Icu (400V) 100 kA
Rated short-circuit breaking capacity Icu (690V) 7.5 kA
Operating short-circuit breaking capacity Ics (400V) 50 kA
Extreme number 3P
Break away from level CLASS 10
Phase loss protection have
Enclosure protection rating IP20
External dimensions (height × width × depth) 165 × 90 × 176 mm

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