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Siemens 5SY5225-6 2-Pole Miniature Circuit Breaker — 25A

Siemens 5SY5225-6 2-pole Miniature Circuit Breaker

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ManufacturerSiemens

Part number5SY5225-6

Rated Current 25A

Poles 2

Tripping Characteristic B

Rated Voltage AC 400V

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Veteran-owned

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2-pole protection B-curve tripping 10kA breaking capacity 400V AC / 440V DC rated Sensitive overload protection

Product description

The Siemens 5SY5225-6 is a 2-pole miniature circuit breaker designed for universal current applications, featuring a B-curve tripping characteristic. With a rated current of 25A, it is suitable for circuits requiring prompt tripping for overcurrents. It operates at 400V AC or 440V DC and offers a breaking capacity of 10kA, providing reliable protection.

This breaker is typically used for protecting circuits that feed equipment with low inrush current, such as lighting and socket circuits, where fast response to overloads is desired. The B-curve ensures sensitive protection against low levels of overcurrent.

Stanlo Automation, a veteran-owned surplus parts distributor, proudly offers the Siemens 5SY5225-6. We specialize in providing high-quality surplus automation components to help you complete your projects cost-effectively and efficiently.

Technical specifications

Rated Current	25A
Poles	2
Tripping Characteristic	B
Rated Voltage AC	400V
Rated Voltage DC	440V
Breaking Capacity	10kA
Series	5SY5

Common applications

Lighting circuits

Socket outlets

Residential distribution boards

Small commercial installations

Protection of sensitive loads

Compatible systems

Standard DIN rail mounting systems

Also known as

Siemens 5SY5225-6 MCB Siemens 25A 2 Pole B Curve Breaker Siemens 5SY Miniature Circuit Breaker

Replaces / compatible with

The Siemens 5SY5225-6 is a standard replacement for similar Siemens breakers and is designed for easy installation on standard DIN rails.

Technical note

Expert tip

For circuits with higher inrush currents, a C-curve breaker is generally recommended.

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Frequently asked questions

What type of loads is the Siemens 5SY5225-6 with a B-curve best suited for?

The Siemens 5SY5225-6 with a B-curve tripping characteristic is ideal for protecting circuits with resistive loads or loads with very low inrush currents, such as lighting circuits and socket outlets. It provides sensitive protection against overloads.