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Siemens 5SJ4130-7HG40 Miniature Circuit Breaker - 1-Pole, C-Curve, 30A

Siemens 5SJ4130-7HG40 1-pole Miniature Circuit Breaker, 30A

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ManufacturerSiemens

Part number5SJ4130-7HG40

Poles 1

Current Rating 30A

Voltage Rating 240V

Breaking Capacity 14kA

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1-pole protection C-curve tripping 14kA breaking capacity UL 489 certified Equal polarity Handles moderate inrush

Product description

The Siemens 5SJ4130-7HG40 is a 1-pole miniature circuit breaker with a C-curve tripping characteristic, designed for circuits with moderate inrush currents. It operates at 240V and offers a breaking capacity of 14kA, complying with UL 489 standards. This breaker is rated for 30A and features a 70mm width.

This circuit breaker is widely applied in industrial and commercial settings for protecting circuits that include motors, transformers, and lighting systems. The C-curve is suitable for applications where temporary overcurrents are expected during equipment startup.

Stanlo Automation, a veteran-owned distributor of surplus industrial automation parts, offers the Siemens 5SJ4130-7HG40. We provide reliable components to support your operational needs and ensure system integrity.

Technical specifications

Poles	1
Current Rating	30A
Voltage Rating	240V
Breaking Capacity	14kA
Curve Type	C
Standard	UL 489
Width	70 mm

Common applications

Industrial automation

Motor control

Lighting circuits

Power distribution

Commercial buildings

Control panels

Compatible systems

Compatible with Siemens 5SJ series accessories and standard DIN rail mounting systems.

Also known as

Siemens 5SJ4130-7HG40 Siemens 30A C-curve breaker

Replaces / compatible with

This breaker can serve as a replacement for Siemens 5SJ series miniature circuit breakers with equivalent specifications and UL 489 certification.

Technical note

Expert tip

Always ensure the selected circuit breaker's breaking capacity (14kA in this case) exceeds the maximum prospective fault current at the point of installation.

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Frequently asked questions

What is the function of the 70mm width on the Siemens 5SJ4130-7HG40?

The 70mm width dimension of the Siemens 5SJ4130-7HG40 refers to its physical size, which is standard for many miniature circuit breakers. This dimension is crucial for ensuring proper spacing within electrical panels and compatibility with standard DIN rail mounting hardware.