Siemens Mini circuit breaker, C-curve, 2-pole, 400V, 10kA, 20A

Product Overview

The Siemens 5SY4220-7 is a high-performance miniature circuit breaker designed for reliable electrical protection in residential and commercial single-phase applications. This robust 2-pole circuit breaker features a 20 A current rating with 400 V operational voltage and enhanced 10 kA breaking capacity, making it ideal for protecting medium-current single-phase electrical circuits, residential panels, and commercial equipment from overloads and short circuits.

Key Features

• Enhanced 10 kA Breaking Capacity: Superior protection against fault currents with higher breaking capacity than standard breakers
• 2-Pole Configuration: Provides comprehensive protection for single-phase systems with both line and neutral protection
• C-Type Characteristic: Optimized for general applications with moderate inrush currents (5-10 times rated current)
• Medium Current Rating: 20 A rating perfect for residential circuits, appliances, and commercial equipment
• Robust Design: Heavy-duty construction suitable for standard DIN rail mounting (D=70 mm)
• German Engineering: Manufactured in Germany ensuring premium quality and reliability
• UL1077 Recognition: Certified as supplementary protector for enhanced circuit protection
• Tool-Free Installation: Double slide mechanism enables quick assembly and disassembly without tools

Technical Specifications

• Current Rating: 20 A
• Voltage Rating: 400 V AC (230/400 VAC)
• Breaking Capacity: 10 kA
• Number of Poles: 2
• Trip Characteristic: C-type
• Net Weight: 0.309 kg
• Depth: 70 mm (D=70 mm)
• Width: 2 modular spacings (36 mm)
• Packaging Dimensions: 40.00 x 92.00 x 84.00 mm
• Country of Origin: Germany
• EAN: 4001869181677

Applications

This medium-current 2-pole circuit breaker is particularly suitable for:

• Residential circuit protection
• Medium-power single-phase appliances
• Commercial lighting circuits
• Split-phase electrical systems
• Office equipment protection
• Small commercial machinery
• Distribution circuits
• Kitchen appliances
• Air conditioning units (residential)
• Electric heating systems
• Workshop equipment
• Small motor applications
• Industrial control equipment
• Commercial building circuits
• Power tool circuits

Compliance & Certifications

• Standards Compliance: UL1077 recognized, IEC 60898-1/-2, IEC 60947-2, GB10963.1/.2, GB14048.2
• CE Marking: Complies with global standards for European markets
• RoHS Compliance: Compliant since October 1, 2006
• WEEE Directive: Subject to take-back obligations under directive 2012/19/EU
• REACH Regulation: Contains lead in concentrations higher than 0.1% w/w as per Article 33 requirements
• Export Control: AL: N / ECCN: N
• Product Class: B - Return restricted, contact Siemens partner for returns

Advanced Features

• Dual Pole Protection: Simultaneous disconnection of both line and neutral conductors
• Visual Status Indication: Window design with clear position indicators
• Touch Protection: Anti-finger contact terminal design for enhanced safety
• Dual-Chamber Terminals: Flexible conductor and busbar combinations
• Enhanced Safety: Insulated, dust-proof and anti-touch design
• Ergonomic Handle: Non-slip pattern handle for comfortable operation
• Modular Compatibility: Compatible with wide range of supplementary components
• Energy Limitation: Class 3 current limiting for enhanced protection
• Wide Conductor Range: Accommodates 0.75-35mm² conductor cross-sections

Product Classification

• eClass: 27-14-19-01 (versions 6-14)
• ETIM: EC000042 (versions 7-9)
• UNSPSC: 39-12-16-03
• IDEA: 4897
• Product Group: 5505

Download existing graphical data for this product:

• Product Datasheet
• Installation Manual
• SENTRON Product Catalog
• Technical Documentation