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Siemens 3RV2742-5JD10 S3 Circuit Breaker for System Protection

Siemens 3RV2742-5JD10 Size S3 circuit breaker for system protection.

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ManufacturerSiemens

Part number3RV2742-5JD10

Size S3

A-release 50 A

N-release 650 A

Terminals Screw

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Size S3 System protection UL 489 and CSA C22.2 No.5-02 approved 50 A A-release 650 A N-release Screw terminal

Product description

The Siemens 3RV2742-5JD10 is a Size S3 circuit breaker designed for system protection. It features an A-release of 50 A and an N-release of 650 A, with screw terminals for secure connections. This breaker carries approvals for UL 489 and CSA C22.2 No.5-02, ensuring compliance with rigorous safety standards.

This robust circuit breaker is ideal for safeguarding electrical systems in various industrial applications, including motor control, power distribution, and machine building. It provides reliable protection against overcurrents and short circuits, crucial for maintaining operational integrity in demanding environments.

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Technical specifications

Size	S3
A-release	50 A
N-release	650 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 3RV2742-5JD10 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

Ensure proper torque is applied to the screw terminals during installation to maintain reliable electrical contact and prevent overheating.

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Frequently asked questions

What are the key protection ratings for the Siemens 3RV2742-5JD10?

The Siemens 3RV2742-5JD10 features an A-release (overload) of 50 A and an N-release (short-circuit) of 650 A. It is designed for system protection and approved under UL 489 and CSA C22.2 No.5-02.