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Siemens 3RV2742-5QD10 S3 Circuit Breaker for System Protection

Siemens 3RV2742-5QD10 Size S3 circuit breaker for system protection.

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ManufacturerSiemens

Part number3RV2742-5QD10

Size S3

A-release 70 A

N-release 910 A

Terminals Screw

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Veteran-owned

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Size S3 System protection UL 489 and CSA C22.2 No.5-02 approved 70 A A-release 910 A N-release Screw terminal

Product description

The Siemens 3RV2742-5QD10 is a high-performance Size S3 circuit breaker designed for demanding system protection applications. It offers an A-release of 70 A and an N-release of 910 A, with the convenience of screw terminals. This breaker meets stringent UL 489 and CSA C22.2 No.5-02 standards for safety and reliability.

This circuit breaker is engineered to provide reliable protection for electrical systems in heavy-duty industrial environments, including manufacturing, automation, and energy distribution. Its robust design ensures consistent performance against overloads and short circuits.

Stanlo Automation, a veteran-owned surplus parts distributor, is your go-to source for the Siemens 3RV2742-5QD10. We are committed to providing quality components and exceptional customer service to keep your operations running smoothly and efficiently.

Technical specifications

Size	S3
A-release	70 A
N-release	910 A
Terminals	Screw
Approvals	UL 489, CSA C22.2 No.5-02
Type	System Protection Circuit Breaker
Series	3RV2

Common applications

Industrial automation

Motor control

Power distribution

Machine safety

Control panels

Electrical systems

Compatible systems

Industrial control panels Motor starters Power distribution units Siemens industrial systems

Also known as

Siemens 3RV2742-5QD10 breaker 3RV2 Series S3 breaker Siemens S3 system protection

Replaces / compatible with

This circuit breaker is designed for system protection and can be used as a direct replacement for other Siemens 3RV2 Series breakers with similar ratings and frame sizes.

Technical note

Expert tip

This Size S3 breaker provides enhanced protection for higher current loads, ensuring system integrity in demanding industrial applications.

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Frequently asked questions

What is the maximum A-release for the Siemens 3RV2742-5QD10 circuit breaker?

The Siemens 3RV2742-5QD10 circuit breaker has a maximum A-release (overload) rating of 70 A. Its N-release (short-circuit) is rated at 910 A, and it is approved under UL 489 and CSA C22.2 No.5-02.