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Siemens 5SJ4118-7HG41 1-Pole C-Curve Miniature Circuit Breaker - 240V 15kA

Siemens 5SJ4118-7HG41 15A Miniature Circuit Breaker

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ManufacturerSiemens

Part number5SJ4118-7HG41

Voltage 240V AC

Current 15A

Poles 1

Breaking Capacity 15kA

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12-month warranty

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Veteran-owned

CAGE: 9NK75

1-pole protection C-curve tripping 15kA interrupting rating UL 489 listed Robust construction

Product description

The Siemens 5SJ4118-7HG41 is a 1-pole miniature circuit breaker designed for robust overcurrent protection. It features a C-curve tripping characteristic, a 15A rated current, and a high breaking capacity of 15kA at 240V AC, fully compliant with UL 489 standards. This breaker is built for reliable performance and durability in demanding electrical applications.

This circuit breaker is ideal for protecting branch circuits in residential, commercial, and light industrial environments. Its C-curve is suitable for circuits with moderate inductive loads, such as lighting, outlets, and small motors. The increased breaking capacity of 15kA offers enhanced safety in higher fault current scenarios.

Stanlo Automation, a veteran-owned supplier of surplus industrial automation components, offers the Siemens 5SJ4118-7HG41. We are committed to providing quality, tested parts to ensure the integrity and efficiency of your electrical systems. Choose Stanlo Automation for dependable components and exceptional customer service.

Technical specifications

Voltage	240V AC
Current	15A
Poles	1
Breaking Capacity	15kA
Tripping Curve	C
Standard	UL 489

Common applications

Residential distribution boards

Commercial power panels

Light industrial branch circuits

General purpose circuits

Appliances and small motors

Compatible systems

UL 489 compliant electrical panels Residential distribution Commercial power distribution Industrial branch circuits

Also known as

Siemens 5SJ4 15A 240V breaker 1-pole C-curve Siemens Siemens UL 489 15kA breaker

Replaces / compatible with

This part is designed to replace older Siemens 5SJ4 series miniature circuit breakers with similar 15A, 1-pole, C-curve, 240V, and UL 489 ratings. It ensures compatibility within UL 489 compliant electrical distribution systems.

Technical note

Expert tip

The enhanced 15kA interrupting rating makes this breaker a suitable choice for installations where fault levels may exceed standard residential or light commercial limits.

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Frequently asked questions

What is the advantage of the 15kA breaking capacity on the Siemens 5SJ4118-7HG41?

The 15kA breaking capacity indicates the maximum fault current the circuit breaker can safely interrupt. A higher rating like 15kA provides superior protection in environments where higher short-circuit currents are possible, ensuring greater safety and preventing damage to electrical infrastructure.