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Siemens 5SJ4110-7HG40 1-Pole Miniature Circuit Breaker

Siemens 5SJ4110-7HG40 1-pole, C-curve, 10A Miniature Circuit Breaker.

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ManufacturerSiemens

Part number5SJ4110-7HG40

Poles 1

Current Rating 10A

Trip Curve C

Breaking Capacity 14kA

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Veteran-owned

CAGE: 9NK75

14kA interrupting capacity C-curve tripping UL 489 listed 70mm depth Equal polarity Balanced protection

Product description

The Siemens 5SJ4110-7HG40 is a versatile single-pole miniature circuit breaker offering reliable protection for a variety of electrical circuits. It features a C-curve tripping characteristic, a 10A current rating, and a 14kA breaking capacity. Rated for 240V AC, this breaker meets UL 489 standards and includes a 70mm depth and equal polarity design for convenient installation.

This circuit breaker is well-suited for circuits that may experience moderate inrush currents, such as lighting, socket outlets, and control circuits. Its C-curve provides a balance between overload protection and immunity to transient surges, making it a popular choice for general commercial and industrial use.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 5SJ4110-7HG40. We provide access to tested, high-quality industrial components to ensure your systems run efficiently and reliably, at competitive prices.

Technical specifications

Poles	1
Current Rating	10A
Trip Curve	C
Breaking Capacity	14kA
Voltage Rating	240V AC
Standard	UL 489
Depth	70mm
Polarity	Equal

Common applications

Lighting circuits

Socket outlets

Control systems

Small motor protection

Distribution boards

Commercial buildings

Compatible systems

General purpose distribution panels Industrial control cabinets Machinery enclosures

Also known as

Siemens 5SJ4 C10 Miniature Breaker 5SJ4110 C10 UL 489 Siemens 240V 10A breaker

Replaces / compatible with

This unit serves as a direct replacement for other Siemens 5SJ4 series breakers with similar specifications. It is also compatible with other UL 489 listed miniature circuit breakers of equivalent rating and trip curve.

Technical note

Expert tip

The 70mm depth and equal polarity of the Siemens 5SJ4110-7HG40 are designed to simplify installation and wiring in standard electrical enclosures and distribution panels.

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Frequently asked questions

What are the advantages of using a C-curve breaker like the Siemens 5SJ4110-7HG40?

The C-curve characteristic of the Siemens 5SJ4110-7HG40 provides effective protection against short circuits while being less prone to nuisance tripping from moderate inrush currents, common in loads like fluorescent lighting ballasts or socket outlets.