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Siemens 5SJ4316-8HG42 3-Pole 16A D-Curve Circuit Breaker UL 489

Siemens 5SJ4316-8HG42 3-pole 16A D-curve circuit breaker, 10kA, UL 489.

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ManufacturerSiemens

Part number5SJ4316-8HG42

Voltage 480Y/277V AC

Current 16A

Poles 3

Tripping Curve D

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3-pole protection D-curve for high inrush 10kA breaking capacity UL 489 listed Suitable for 480Y/277V Motor protection focused

Product description

The Siemens 5SJ4316-8HG42 is a 3-pole circuit breaker designed for high-inrush applications within 480Y/277V systems. It features a D-curve tripping characteristic, ideal for motor protection and other inductive loads, with a 16A rated current and a 10kA breaking capacity. This breaker is UL 489 listed, ensuring it meets stringent safety and performance standards for North American electrical installations.

This circuit breaker is a robust choice for industrial settings, especially in applications involving motors, transformers, and equipment that experience significant temporary current surges during startup. Its D-curve protection is crucial for preventing nuisance tripping while still providing essential overcurrent protection.

Stanlo Automation, a veteran-owned source for surplus industrial automation parts, offers the Siemens 5SJ4316-8HG42. Partner with us for reliable access to quality components and efficient service, ensuring your critical systems remain operational and protected.

Technical specifications

Voltage	480Y/277V AC
Current	16A
Poles	3
Tripping Curve	D
Breaking Capacity	10kA
Standard	UL 489

Common applications

Industrial motor control

Machinery protection

Transformer circuits

High inrush current applications

480V electrical systems

Control panels

Compatible systems

Standard DIN rail mounting systems

Also known as

Siemens 5SJ4316-8HG42 breaker Siemens 480V D-curve breaker 3-pole 16A motor circuit breaker

Replaces / compatible with

This breaker is suitable as a replacement for other Siemens 5SJ4 series models with similar voltage, current, and D-curve specifications. Always confirm compatibility.

Technical note

Expert tip

Ensure that the connected load's starting current characteristics are within the limits defined by the D-curve for reliable operation.

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Frequently asked questions

What applications are best suited for the Siemens 5SJ4316-8HG42 circuit breaker?

The Siemens 5SJ4316-8HG42 is ideal for applications with high inrush currents, such as starting motors or energizing transformers, due to its D-curve tripping characteristic. It is rated for 480Y/277V systems and has a 10kA breaking capacity.