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Siemens 3RV2742-5DD10 S3 Circuit Breaker, 25A

Siemens 3RV2742-5DD10 S3 circuit breaker for system protection.

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ManufacturerSiemens

Part number3RV2742-5DD10

Frame Size S3

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

Thermal Release (A-release) 25 A

Short-Circuit Release (N-release) 325 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 3RV2742-5DD10 is an S3 frame size circuit breaker built for comprehensive system protection. It incorporates a thermal overload release of 25 A and a short-circuit release of 325 A, ensuring dependable protection against electrical faults. This component is certified under UL 489 and CSA C22.2 No. 5-02, featuring a screw terminal for secure connections.

This circuit breaker is ideal for protecting motors, generators, and power circuits in demanding industrial environments such as manufacturing plants, chemical processing facilities, and large-scale infrastructure projects. Its robust design provides critical safety for equipment operating under significant loads.

Stanlo Automation, your trusted veteran-owned surplus industrial parts distributor, offers the Siemens 3RV2742-5DD10. We specialize in providing high-quality surplus automation components, competitive pricing, and reliable service to keep your operations efficient.

Technical specifications

Frame Size	S3
Approval	UL 489, CSA C22.2 No. 5-02
Thermal Release (A-release)	25 A
Short-Circuit Release (N-release)	325 A
Terminal Type	Screw Terminal

Common applications

Motor protection

Generator protection

Power circuits

Industrial manufacturing

Process industries

Compatible systems

Designed for integration into Siemens industrial control panels and systems requiring UL 489 and CSA certification for S3 frame size applications.

Also known as

Siemens S3 25A breaker 3RV2742-5DD10 circuit breaker system protection 325A

Replaces / compatible with

This Siemens circuit breaker serves as a replacement or compatible component for systems requiring an S3 frame size with specific 25A thermal and 325A short-circuit protection within the 3RV2 series.

Technical note

Expert tip

The 325A N-release ensures rapid disconnection during significant short circuits, minimizing damage and downtime.

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Frequently asked questions

What are the thermal and short-circuit ratings for the Siemens 3RV2742-5DD10?

The Siemens 3RV2742-5DD10 is equipped with a thermal overload (A-release) of 25 A and a short-circuit (N-release) of 325 A, providing robust protection for industrial applications.