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Siemens 5SY Series 5SY5203-7 2-Pole Circuit Breaker β€” 3A, C-Curve

Siemens 5SY Series 2-pole Miniature Circuit Breaker

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ManufacturerSiemens
Part number5SY5203-7
Manufacturer Siemens
Part Number 5SY5203-7
Poles 2
Current Rating 3A
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2-Pole Design 10kA Breaking Capacity C-Curve Tripping Universal Current DIN Rail Mountable Siemens Reliability

The Siemens 5SY5203-7 is a 2-pole miniature circuit breaker engineered for universal current protection. It boasts a 10kA breaking capacity and a C-curve trip characteristic, effectively safeguarding circuits against overloads and short circuits. Operating at a rated voltage of 440 V DC and 400 V AC, this breaker is rated for 3 Ampere.

This versatile circuit breaker is designed for a wide array of applications, from residential wiring to complex industrial control systems. Its C-curve makes it suitable for circuits with moderate inrush currents, such as those found in lighting systems, general-purpose outlets, and some motor applications.

Stanlo Automation, a proud veteran-owned surplus parts distributor, offers the Siemens 5SY5203-7 at an excellent value. We specialize in providing high-quality, refurbished, and surplus automation components to keep your operations running smoothly and cost-effectively.

ManufacturerSiemens
Part Number5SY5203-7
Poles2
Current Rating3A
Tripping CurveC
Breaking Capacity10kA
Voltage Rating (DC)440V
Voltage Rating (AC)400V
Residential Electrical Panels
Commercial Building Distribution
Industrial Control Panels
Machine Tool Manufacturing
HVAC Systems
Lighting and Outlet Circuits
Control Panels Distribution Boards Building Automation Systems
Siemens 5SY5203-7 MCB Siemens 3A C-Curve Breaker 5SY Series 3 Amp Breaker
This circuit breaker is part of the Siemens 5SY series and is designed to replace or be compatible with other breakers in the same series with similar ratings.
Expert tip
The 5SY5203-7 is designed for easy installation on standard 35mm DIN rails, facilitating quick replacement or integration into existing panel systems.
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What is the function of the C-curve on the Siemens 5SY5203-7 circuit breaker?
The C-curve on the Siemens 5SY5203-7 circuit breaker provides protection for circuits with moderate inrush currents. It trips at 5 to 10 times the rated current, making it suitable for loads like lighting, socket outlets, and small motors that have a higher starting current than their operating current.