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Siemens 5SY5104-7 Miniature Circuit Breaker — 1-Pole, 4A, C-Curve

Siemens 5SY5104-7 Miniature Circuit Breaker: 1-pole, C-curve, 4A.

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ManufacturerSiemens

Part number5SY5104-7

Manufacturer Siemens

Part Number 5SY5104-7

Type Miniature Circuit Breaker

Poles 1

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1-pole configuration C-curve tripping 10kA breaking capacity Suitable for AC and DC Protects against overloads and short circuits DIN rail mounting

Product description

The Siemens 5SY5104-7 is a 1-pole miniature circuit breaker featuring a C-curve tripping characteristic, designed for circuits with moderate inrush currents. It boasts a 10kA breaking capacity and is rated for universal current applications across 230/400V AC and 220V DC.

This breaker is a versatile choice for protecting circuits that power devices such as fluorescent lighting, small motors, and transformers, where temporary overcurrents are common. It ensures reliable protection against overloads and short circuits in various industrial and commercial settings.

Stanlo Automation, a proud veteran-owned supplier of surplus industrial automation components, offers the Siemens 5SY5104-7. We provide cost-effective and dependable solutions for your automation and MRO needs, backed by our commitment to quality and customer service.

Technical specifications

Manufacturer	Siemens
Part Number	5SY5104-7
Type	Miniature Circuit Breaker
Poles	1
Tripping Curve	C
Rated Current	4A
Rated Voltage AC	230/400V
Rated Voltage DC	220V
Breaking Capacity	10kA

Common applications

Industrial control panels

Commercial building electrical systems

Motor branch circuits

Lighting circuits with inductive loads

Distribution panels

Compatible systems

General purpose use in AC and DC distribution systems

Also known as

Siemens 5SY series 4A C-curve 5SY5104-7 MCB Siemens circuit breaker 4 Amp Siemens 10kA breaker

Replaces / compatible with

This circuit breaker is part of the Siemens 5SY series and is designed to replace older or equivalent Siemens circuit breakers with similar specifications.

Technical note

Expert tip

This breaker's tripping range for short circuits is 5-10 times the rated current, offering robust protection for inductive loads.

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Frequently asked questions

Why would I choose a C-curve breaker like the Siemens 5SY5104-7 for my application?

A C-curve breaker, such as the Siemens 5SY5104-7, is chosen for applications with moderate inductive loads. It allows for inrush currents typically encountered when starting motors or powering transformers without immediate tripping, while still providing fast protection against short circuits.