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Siemens 3RV2742-5AD10 S3 Circuit Breaker, 10A

Siemens 3RV2742-5AD10 S3 circuit breaker for system protection.

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ManufacturerSiemens

Part number3RV2742-5AD10

Frame Size S3

Approval UL 489, CSA C22.2 No. 5-02

Thermal Release (A-release) 10 A

Short-Circuit Release (N-release) 150 A

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System protection UL 489 & CSA approved S3 frame size Thermal and short-circuit release Screw terminal connections

Product description

The Siemens 3RV2742-5AD10 is a robust circuit breaker designed for system protection, featuring frame size S3. It is equipped with a thermal overload release set at 10 A and a short-circuit release rated at 150 A, offering reliable protection for demanding applications. This breaker complies with UL 489 and CSA C22.2 No. 5-02 standards and utilizes a screw terminal for secure and stable electrical connections.

This S3-sized circuit breaker is ideal for protecting larger motors, power distribution circuits, and heavy-duty industrial equipment. Its high breaking capacity and adherence to stringent safety standards make it a crucial component in sectors such as manufacturing, process control, and heavy industry.

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Technical specifications

Frame Size	S3
Approval	UL 489, CSA C22.2 No. 5-02
Thermal Release (A-release)	10 A
Short-Circuit Release (N-release)	150 A
Terminal Type	Screw Terminal

Common applications

Motor protection

Industrial machinery

Power distribution

Heavy-duty equipment

Manufacturing facilities

Compatible systems

Compatible with Siemens control panels and industrial systems requiring UL 489 and CSA certified protection for S3 frame size applications.

Also known as

Siemens S3 circuit breaker 3RV2742 series breaker 10A system protection breaker

Replaces / compatible with

This circuit breaker is designed for applications requiring a Siemens S3 frame size with specific thermal and short-circuit ratings as part of the 3RV2 series.

Technical note

Expert tip

The A-release is typically set for thermal overload protection, while the N-release provides instantaneous magnetic protection against short circuits.

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Frequently asked questions

What is the short-circuit breaking capacity of the Siemens 3RV2742-5AD10?

The Siemens 3RV2742-5AD10 circuit breaker has a short-circuit release (N-release) of 150 A, ensuring it can safely interrupt fault currents up to this level.