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Siemens 5SY6220-7 Miniature Circuit Breaker - 20A, 2-Pole

Siemens 5SY6220-7 2-pole miniature circuit breaker, 20A.

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ManufacturerSiemens
Part number5SY6220-7
Type Miniature Circuit Breaker
Manufacturer Siemens
Part Number 5SY6220-7
Poles 2
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2-pole electrical protection C-curve tripping 6kA interrupting capacity 400V AC rated Compact DIN rail mount design

The Siemens 5SY6220-7 is a robust miniature circuit breaker designed for dependable protection of electrical circuits. This 2-pole device offers a C-curve tripping characteristic, a rated current of 20A, and a breaking capacity of 6kA at 400V, ensuring safety and operational continuity.

This circuit breaker is widely used in industrial, commercial, and residential applications for protecting circuits with moderate inrush currents. Common applications include power distribution, socket outlets, and smaller motor loads where its tripping behavior is advantageous.

As a veteran-owned surplus parts supplier, Stanlo Automation is committed to providing efficient and cost-effective solutions for your industrial automation needs. We offer the Siemens 5SY6220-7 and a wide range of other components to help minimize downtime and maximize your system's performance.

TypeMiniature Circuit Breaker
ManufacturerSiemens
Part Number5SY6220-7
Poles2
Rated Current20A
Tripping CharacteristicC
Rated Voltage400V AC
Breaking Capacity6kA
Width70 mm
Industrial control panels
Commercial power distribution
Residential electrical systems
Motor protection
Lighting circuits
Standard DIN rail mounting systems
Siemens 5SY6220-7 MCB Siemens 20A 2-pole breaker Siemens C-curve 400V 6kA breaker
Compatible with existing Siemens 5SY6 series installations. Consult documentation for specific upgrade paths or replacements of older models.
Expert tip
For circuits with higher inductive loads or motor starting currents, ensure the C-curve is selected over a B-curve to prevent nuisance tripping.
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What are the typical applications for a 20A C-curve breaker like the Siemens 5SY6220-7?
A 20A C-curve breaker like the Siemens 5SY6220-7 is commonly used for protecting circuits with moderate inrush currents. This includes power circuits for general-purpose outlets, lighting systems, and smaller motors that may experience a temporary surge in current when starting up.