3RV2742-5QD10

The 3RV2742-5QD10 is a SIRIUS 3RV27 series S3 model three-pole circuit breaker with a rated operating current of 70A and an instantaneous tripping current of approximately 910A. It has obtained UL 489 and CSA C22.2 No.5-02 certifications and is suitable for high-power system protection applications.

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Siemens SIRIUS 3RV2742-5QD10 S3 System Protection Circuit Breaker 70A

Product Positioning

The 3RV2742-5QD10 is a Siemens SIRIUS 3RV27 series S3 model system protection circuit breaker with a rated current of 70A, suitable for overload and short circuit protection of high-power equipment and power distribution systems.

Core Product Advantages and Features

High current system protection

With a rated operating current of 70A and a magnetic instantaneous trip current of approximately 910A, it is suitable for high-power load circuits.

High breaking capacity

With an Icu of 100kA at 240V/400V and a breaking capacity of 65kA at 480V (UL), the protection capability is sufficient.

M8 terminal screw connection

It adopts an M8 screw terminal design, which can support large cross-section wires and is suitable for high current wiring requirements.

project	Specification
Product Type	S3 model system protection circuit breaker
Extreme number	3 poles
Rated operating current (A-release)	70 A
Instantaneous trip value (N-release)	Approximately 910 A
Rated operating voltage	20~600 V
Rated frequency	50/60 Hz
Rated short-circuit breaking capacity Icu (240/400V)	100 kA
Rated short-circuit breaking capacity Ics (400V)	50 kA
Breaking capacity (480V, UL)	65 kA
External dimensions (height x width x depth)	170 x 70 x 176 mm
Terminal type	M8 screw terminal
Certification	UL 489, CSA C22.2 No.5-02

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