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Siemens 5SJ4311-7HG42 3-Pole C-Curve Circuit Breaker 5A 10kA

Siemens 5SJ4311-7HG42 3-pole C-curve miniature circuit breaker.

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ManufacturerSiemens

Part number5SJ4311-7HG42

Poles 3

Current Rating 5A

Tripping Characteristic C

Interrupting Capacity 10kA

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3-pole design C-curve for moderate inrush 10kA interrupting capacity UL 489 listed Precise 5A current rating

Product description

The Siemens 5SJ4311-7HG42 is a high-quality 3-pole miniature circuit breaker designed for reliable electrical protection. It features a C-curve tripping characteristic, a 5A rated current, and a 10kA interrupting capacity, ensuring safety in electrical installations. This breaker is UL 489 listed for 480Y/277V applications.

This circuit breaker is suitable for general-purpose branch circuit protection, especially in areas requiring lower current ratings. Its C-curve makes it appropriate for loads with moderate inrush currents, such as lighting, electronics, and some control circuits.

Stanlo Automation, a veteran-owned business specializing in surplus industrial automation parts, offers the Siemens 5SJ4311-7HG42. We provide cost-effective solutions and a wide selection of components to keep your systems operational. Choose Stanlo Automation for your essential Siemens circuit breaker needs.

Technical specifications

Poles	3
Current Rating	5A
Tripping Characteristic	C
Interrupting Capacity	10kA
Voltage Rating	480Y/277V AC
Standard	UL 489

Common applications

Low current circuits

Lighting protection

Control circuits

Electronics protection

General purpose circuits

Compatible systems

UL 489 rated electrical panels 480Y/277V AC power systems Control panel wiring Low power distribution

Also known as

Siemens 5SJ4 5A breaker 5SJ4 Series 3-pole C-curve Siemens 480V 5A MCB

Replaces / compatible with

This UL 489 listed breaker can replace older Siemens 3RV series or equivalent 3-pole, 5A, C-curve circuit breakers.

Technical note

Expert tip

For circuits with very low inrush current, the C-curve offers a good balance between sensitivity and preventing false trips.

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Frequently asked questions

What is the main purpose of the C-curve tripping characteristic in the Siemens 5SJ4311-7HG42?

The C-curve tripping characteristic of the Siemens 5SJ4311-7HG42 is designed to handle moderate inrush currents typically found in lighting, receptacle, and some control circuits without causing nuisance tripping. It provides effective protection against overloads and short circuits.