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Siemens 5SJ4105-7HG42 Circuit Breaker - 1 Pole, C Curve, 0.5A, 277V

Siemens 5SJ4105-7HG42 Circuit Breaker, 1-pole, 0.5A, C Curve, 277V.

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ManufacturerSiemens

Part number5SJ4105-7HG42

Voltage 277V

Current 0.5A

Poles 1

Tripping Characteristic C

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CAGE: 9NK75

UL 489 Listed 10kA Interrupting Rating Type C Tripping Curve Single Pole Design 277V Voltage Rating Reliable Overcurrent Protection

Product description

The Siemens 5SJ4105-7HG42 is a single-pole miniature circuit breaker designed for overcurrent protection in electrical systems operating up to 277V. It features a Type C tripping characteristic, ideal for circuits with moderate inrush currents, and a rated current of 0.5A. This breaker offers a 10kA interrupting rating, complying with UL 489 standards for safety and reliability.

This circuit breaker is suitable for various applications, including branch circuit protection in commercial and industrial facilities. Its design ensures dependable operation for protecting sensitive electronic equipment and preventing damage from overloads or short circuits.

Stanlo Automation, a veteran-owned surplus distributor, is your trusted source for Siemens 5SJ4105-7HG42 circuit breakers. We provide high-quality, tested surplus parts, offering a cost-effective solution for your automation needs and ensuring your systems remain operational.

Technical specifications

Voltage	277V
Current	0.5A
Poles	1
Tripping Characteristic	C
Breaking Capacity	10kA
Standard	UL 489

Common applications

Branch Circuit Protection

Industrial Control

Commercial Electrical Systems

Equipment Protection

Power Distribution

Compatible systems

Electrical systems operating at up to 277V AC requiring UL 489 listed protection.

Also known as

Siemens 5SJ4 Series 5SJ4 Circuit Breaker Siemens 277V breaker

Replaces / compatible with

Compatible with Siemens 5SJ series circuit breakers and accessories. Please verify specific compatibility for direct replacements.

Technical note

Expert tip

This breaker is suitable for circuits where the nominal voltage does not exceed 277V AC.

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Frequently asked questions

What is the intended voltage rating for the Siemens 5SJ4105-7HG42 circuit breaker?

The Siemens 5SJ4105-7HG42 circuit breaker is designed for use in systems with a voltage rating of up to 277V. It meets UL 489 standards for safe operation within this voltage range.