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Siemens 5SY4211-7 2-Pole Miniature Circuit Breaker — 5A, C-Curve

Siemens 5SY4211-7 2-pole miniature circuit breaker.

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ManufacturerSiemens

Part number5SY4211-7

Poles 2

Rated Voltage 400V AC

Breaking Capacity 10kA

Tripping Curve C

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Veteran-owned

CAGE: 9NK75

2-pole protection 10kA short-circuit rating C-curve tripping characteristic 400V operational voltage 70mm width

Product description

The Siemens 5SY4211-7 is a 2-pole miniature circuit breaker designed for general-purpose overcurrent protection. It operates at a rated voltage of 400V with a 10kA breaking capacity and features a C-curve tripping characteristic, suitable for loads with moderate inrush currents. This model is rated at 5 Amperes and has a width of 70 mm.

This circuit breaker is widely used in various electrical systems, including lighting circuits, power distribution, and protection of electronic equipment where a standard tripping behavior is desired. Its C-curve makes it a versatile choice for circuits with typical inrush from fluorescent lighting or small motor loads.

Stanlo Automation, a veteran-owned business, offers the Siemens 5SY4211-7 as part of our extensive surplus inventory. We provide reliable and affordable automation components to keep your operations running smoothly.

Technical specifications

Poles	2
Rated Voltage	400V AC
Breaking Capacity	10kA
Tripping Curve	C
Current Rating	5A
Width	70 mm

Common applications

Lighting circuits

General power distribution

Electronic equipment protection

Small motor loads

Residential electrical panels

Compatible systems

Standard DIN rail mounting systems

Also known as

Siemens 5SY4211-7 MCB Siemens 5A C-curve breaker 5SY4 Series 5A breaker

Replaces / compatible with

Compatible with Siemens 5SY series circuit breakers and accessories.

Technical note

Expert tip

The C-curve is ideal for circuits with anticipated inrush currents up to 10 times the rated current, offering a good balance between protection and nuisance tripping.

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Frequently asked questions

What type of loads is the Siemens 5SY4211-7 circuit breaker suitable for?

The Siemens 5SY4211-7, with its C-curve tripping characteristic, is suitable for loads that have moderate inrush currents. This includes standard lighting circuits, power sockets, and smaller motor loads.