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Siemens 5SJ4140-7HG41 1-Pole C 40A Miniature Circuit Breaker 240V

Siemens 5SJ4140-7HG41 miniature circuit breaker - 1-pole, 40A, 240V, UL 489.

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ManufacturerSiemens

Part number5SJ4140-7HG41

Voltage 240V

Current 40A

Poles 1

Breaking Capacity 14kA

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UL 489 Listed 14kA Interrupting Capacity Type C Trip Curve Compact 70mm Width Robust Siemens Quality

Product description

The Siemens 5SJ4140-7HG41 is a 1-pole, Type C miniature circuit breaker designed for reliable overcurrent protection. It operates at 240V with a breaking capacity of 14kA and is rated for 40A. This model features a 70mm diameter and complies with UL 489 standards.

This circuit breaker is suitable for a wide range of industrial and commercial applications, including protecting electrical installations in control panels, machinery, and building systems from short circuits and overloads. It is commonly used in environments requiring robust and code-compliant circuit protection.

As a veteran-owned surplus parts distributor, Stanlo Automation offers the Siemens 5SJ4140-7HG41 at competitive prices. We ensure genuine parts and reliable service for your industrial automation needs.

Technical specifications

Voltage	240V
Current	40A
Poles	1
Breaking Capacity	14kA
Curve	C
Standard	UL 489
Width	70 mm

Common applications

Industrial Control Panels

Machinery Protection

Building Electrical Systems

Load Shedding

Overload Protection

Compatible systems

Siemens S200, S2000, and 5SJ4 series accessories

Also known as

Siemens 5SJ4140 5SJ4140 C40 Siemens UL 489 breaker

Replaces / compatible with

Compatible with Siemens 5SJ4 series accessories and related legacy circuit breakers.

Technical note

Expert tip

The 14kA interrupting capacity ensures safety in fault conditions for standard industrial applications.

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Frequently asked questions

What is the tripping characteristic of the Siemens 5SJ4140-7HG41?

The Siemens 5SJ4140-7HG41 features a Type C trip curve. This means it will trip between 5 to 10 times the rated current, making it suitable for loads with moderate inrush currents like fluorescent lighting or small motors.