Siemens 3RV1742-5HD10 S3 Circuit Breaker - 45A Approval

Siemens 3RV1742-5HD10 S3 system protection circuit breaker.

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ManufacturerSiemens

Part number3RV1742-5HD10

Size S3

A-release 45 A

Short-circuit release 585 A

Connection type Screw terminal

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System protection Size S3 UL 489 and CSA approval Screw terminal connection Standard switching capacity

Product description

The Siemens 3RV1742-5HD10 is a Size S3 circuit breaker designed for system protection. It is approved under UL 489 and CSA C22.2 No.5-02, featuring a 45A A-release and a 585A short-circuit release. This unit utilizes screw terminals and offers standard switching capacity.

This circuit breaker is well-suited for protecting electrical systems and motors in demanding industrial environments. Its compliance with UL and CSA standards makes it a reliable choice for applications in North America.

Stanlo Automation, a veteran-owned surplus parts supplier, specializes in providing access to discontinued and hard-to-find industrial automation components such as the Siemens 3RV1742-5HD10. Trust us to be your source for quality surplus parts to keep your operations running smoothly.

Technical specifications

Size	S3
A-release	45 A
Short-circuit release	585 A
Connection type	Screw terminal
Switching capacity	Standard
Approvals	UL 489, CSA C22.2 No.5-02

Common applications

Motor protection

System protection

Industrial automation

Control panels

Manufacturing equipment

Compatible systems

Industrial control panels Motor control circuits Automation systems

Also known as

Siemens 3RV1742-5HD10 SIRIUS 3RV1

Replaces / compatible with

This is a phased-out product. The preferred successor is the Siemens SIRIUS 3RV2742-5HD10.

Technical note

Expert tip

Ensure proper wire termination torque is applied to the screw terminals for reliable connection and to prevent overheating, especially in high-current applications.

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Frequently asked questions

What is the short-circuit release rating for the Siemens 3RV1742-5HD10?

The Siemens 3RV1742-5HD10 circuit breaker has a short-circuit release rating of 585 Amperes. It also features a 45A A-release for system protection.