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Siemens 5SY4313-8 Miniature Circuit Breaker — 3-Pole, 13A, D Curve

Siemens 5SY4313-8 Miniature Circuit Breaker, 3-Pole, 13A, D Curve

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ManufacturerSiemens

Part number5SY4313-8

Voltage 400V AC

Current 13A

Poles 3

Breaking Capacity 10kA

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3-pole design D trip curve for high inrush 13A rating 10kA short-circuit rating 400V operational voltage

Product description

The Siemens 5SY4313-8 is a 3-pole miniature circuit breaker designed for high-demand applications. It features a D trip curve, a 13A nominal current, and a 10kA breaking capacity at 400V. The unit measures 70mm in width for standard mounting.

This circuit breaker is ideal for circuits with high inrush currents, such as those powering large motors, transformers, or capacitor banks. The D curve ensures protection without nuisance tripping during normal equipment start-up sequences.

Stanlo Automation, a veteran-owned surplus distributor, provides reliable access to industrial automation parts like the Siemens 5SY4313-8. We focus on delivering quality components and exceptional value to our customers.

Technical specifications

Voltage	400V AC
Current	13A
Poles	3
Breaking Capacity	10kA
Trip Curve	D
Width	70mm

Common applications

Heavy Motor Loads

Industrial Machinery

Large Transformers

Capacitor Banks

High Inrush Circuits

Compatible systems

Industrial motor control Heavy equipment power High inrush current applications

Also known as

Siemens 5SY43138 Siemens 13A D curve breaker

Replaces / compatible with

The 5SY4313-8 is a Siemens 5SY series breaker. It is suitable for direct replacement of older or existing 13A, 3-pole circuit breakers with a D trip curve in industrial settings.

Technical note

Expert tip

The 70mm width ensures standard DIN rail mounting, facilitating easy integration into existing electrical panels.

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Frequently asked questions

What is the tripping characteristic of the Siemens 5SY4313-8?

The Siemens 5SY4313-8 features a Type D trip curve. This means it is designed to withstand higher inrush currents, typically between 10 to 20 times the rated current, making it suitable for protecting circuits with inductive loads like motors and transformers.