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Siemens 5SJ4216-8HG42 2-Pole Circuit Breaker — 16A, D-Curve

Siemens 5SJ4216-8HG42 Circuit Breaker

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ManufacturerSiemens

Part number5SJ4216-8HG42

Poles 2

Current Rating 16 A

Voltage Rating 480Y/277 V

Breaking Capacity 10 kA

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2-pole protection D-curve tripping for high inrush 16A rated current 10kA breaking capacity UL 489-480Y/277V listed

Product description

The Siemens 5SJ4216-8HG42 is a 2-pole circuit breaker featuring a D-curve tripping characteristic, designed for circuits with high inrush currents. It has a rated current of 16A and a 10kA breaking capacity, compliant with UL 489 standards for 480Y/277V systems.

This breaker is particularly suited for protecting equipment such as motors, transformers, and other inductive loads that experience significant starting surges. It is a reliable choice for industrial applications within 480Y/277V electrical systems where such loads are common.

Stanlo Automation, a veteran-owned surplus distributor, offers the Siemens 5SJ4216-8HG42 as a high-quality, cost-effective solution. We are committed to providing reliable surplus automation components and excellent customer service, ensuring your projects are completed efficiently.

Technical specifications

Poles	2
Current Rating	16 A
Voltage Rating	480Y/277 V
Breaking Capacity	10 kA
Curve Type	D
Standard	UL 489

Common applications

Motor protection

Transformer circuits

Industrial machinery

480V systems

High inductive loads

Compatible systems

480Y/277V electrical systems High inrush current applications UL 489 compliant industrial settings

Also known as

Siemens 5SJ4216-8HG42 breaker 5SJ4 D-curve 16A 480V Siemens 10kA D-curve breaker

Replaces / compatible with

This part is designed for 480Y/277V systems requiring a 16A, D-curve breaker under UL 489. It is ideal for applications with significant motor starting currents.

Technical note

Expert tip

The 5SJ4216-8HG42 is engineered for applications with high starting currents, such as large motors or transformer banks, providing robust protection without premature tripping.

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Frequently asked questions

Why is the D-curve on the Siemens 5SJ4216-8HG42 important for certain industrial applications?

The D-curve tripping characteristic of the Siemens 5SJ4216-8HG42 is designed to tolerate high inrush currents, which are common when starting motors or energizing transformers. This prevents nuisance tripping, ensuring reliable operation of equipment with high inductive loads.