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Siemens 5SJ4330-7HG42 3-Pole C-Curve Circuit Breaker

Siemens 5SJ4330-7HG42 3-pole C-curve Circuit Breaker

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ManufacturerSiemens

Part number5SJ4330-7HG42

Type Circuit Breaker

Poles 3

Rated Current 30A

Tripping Characteristic C

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3-pole protection C-curve tripping 10kA interrupting rating UL 489 listed Suitable for general loads

Product description

The Siemens 5SJ4330-7HG42 is a 3-pole circuit breaker featuring a C-curve tripping characteristic, suitable for circuits with moderate inrush currents. It has a rated current of 30A and a breaking capacity of 10kA at 480Y/277V, manufactured to UL 489 standards for reliable protection.

This circuit breaker is commonly used in power distribution systems, control panels, and for protecting equipment like lighting, heating elements, and general loads. Its application spans across various industrial and commercial sectors.

Stanlo Automation, a veteran-owned surplus industrial parts distributor, offers the Siemens 5SJ4330-7HG42. We aim to provide cost-effective solutions for your automation needs, ensuring you can maintain your systems with quality surplus components. Choose Stanlo for reliable service and parts.

Technical specifications

Type	Circuit Breaker
Poles	3
Rated Current	30A
Tripping Characteristic	C
Breaking Capacity	10kA @ 480Y/277V
Standard	UL 489

Common applications

Power distribution

Control panels

Lighting circuits

Heating elements

Industrial automation

Commercial buildings

Compatible systems

Standard DIN rail mounting.

Also known as

Siemens 5SJ4330-7HG42

Replaces / compatible with

This circuit breaker can replace Siemens or other manufacturers' 3-pole, 30A, C-curve breakers that meet UL 489 specifications.

Technical note

Expert tip

The C-curve is appropriate for circuits where the prospective short-circuit current is not expected to exceed 10kA.

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Frequently asked questions

What is the rated current and breaking capacity of the Siemens 5SJ4330-7HG42?

The Siemens 5SJ4330-7HG42 is a 30A circuit breaker with a 10kA breaking capacity at 480Y/277V. It's designed to safely interrupt fault currents up to this level.