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Siemens 5SJ4215-8HG42 2-Pole Circuit Breaker — 1.6A, D-Curve

Siemens 5SJ4215-8HG42 Circuit Breaker

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ManufacturerSiemens

Part number5SJ4215-8HG42

Poles 2

Current Rating 1.6 A

Voltage Rating 480Y/277 V

Breaking Capacity 10 kA

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2-pole protection D-curve tripping 1.6A rating 10kA breaking capacity UL 489-480Y/277V listed

Product description

The Siemens 5SJ4215-8HG42 is a 2-pole circuit breaker featuring a D-curve tripping characteristic and a 1.6A current rating. It offers a 10kA breaking capacity at 480Y/277V, compliant with UL 489 standards, suitable for higher inrush currents.

This breaker is designed for applications within 480Y/277V systems that require protection for loads with significant starting currents, such as small motors or transformers. Its D-curve makes it a robust choice for industrial environments where equipment may experience momentary overloads during startup.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 5SJ4215-8HG42 as a cost-effective solution. We ensure that our surplus inventory is reliable and ready for deployment, providing you with dependable components for your automation projects.

Technical specifications

Poles	2
Current Rating	1.6 A
Voltage Rating	480Y/277 V
Breaking Capacity	10 kA
Curve Type	D
Standard	UL 489

Common applications

Small motor protection

Transformer circuits

Industrial machinery

480V systems

High inrush applications

Compatible systems

480Y/277V electrical systems Circuits with high inrush current UL 489 compliant industrial applications

Also known as

Siemens 5SJ4215-8HG42 breaker 5SJ4 D-curve 1.6A breaker Siemens 480V D-curve breaker

Replaces / compatible with

This part is designed for 480Y/277V systems requiring a 1.6A, D-curve breaker under UL 489. It is ideal for applications with higher starting currents.

Technical note

Expert tip

The D-curve characteristic of the 5SJ4215-8HG42 allows it to tolerate momentary overcurrents during the startup of inductive loads without nuisance tripping.

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Frequently asked questions

When should the Siemens 5SJ4215-8HG42 D-curve circuit breaker be used instead of a C-curve breaker?

The Siemens 5SJ4215-8HG42, with its D-curve, is recommended for circuits with high inrush currents, such as those powering motors, transformers, or solenoid banks. A C-curve breaker might trip prematurely under these conditions.