Product Overview
The Siemens 5SY4235-7 is a high-performance miniature circuit breaker designed for reliable electrical protection in single-phase and split-phase applications. This robust 2-pole circuit breaker features a 35 A current rating with 400 V operational voltage and enhanced 10 kA breaking capacity, making it ideal for protecting high-current single-phase electrical circuits, residential main panels, and commercial equipment from overloads and short circuits.
Key Features
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Enhanced 10 kA Breaking Capacity: Superior protection against fault currents with higher breaking capacity than standard breakers
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2-Pole Configuration: Provides comprehensive protection for single-phase systems with both line and neutral protection
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C-Type Characteristic: Optimized for general applications with moderate inrush currents (5-10 times rated current)
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High Current Rating: 35 A rating perfect for main panels, large appliances, and high-power single-phase equipment
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Robust Design: Heavy-duty construction suitable for standard DIN rail mounting (D=70 mm)
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German Engineering: Manufactured in Germany ensuring premium quality and reliability
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UL1077 Recognition: Certified as supplementary protector for enhanced circuit protection
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Tool-Free Installation: Double slide mechanism enables quick assembly and disassembly without tools
Technical Specifications
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Current Rating: 35 A
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Voltage Rating: 400 V AC (230/400 VAC)
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Breaking Capacity: 10 kA
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Number of Poles: 2
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Trip Characteristic: C-type
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Net Weight: 0.317 kg
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Depth: 70 mm (D=70 mm)
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Width: 2 modular spacings (36 mm)
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Packaging Dimensions: 93.00 x 216.00 x 82.00 mm
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Country of Origin: Germany
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EAN: 4001869309804
Applications
This high-current 2-pole circuit breaker is particularly suitable for:
- Residential main panel protection
- Large single-phase appliances (air conditioners, electric heaters)
- Commercial single-phase equipment
- Split-phase electrical systems
- High-power lighting circuits
- Electric vehicle charging stations
- Industrial single-phase machinery
- Main distribution circuits
- Commercial kitchen equipment
- Electric water heaters
- High-power motor applications
- HVAC systems (single-phase)
- Industrial control equipment
- Commercial building circuits
- Power tool circuits
Compliance & Certifications
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Standards Compliance: UL1077 recognized, IEC 60898-1/-2, IEC 60947-2, GB10963.1/.2, GB14048.2
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CE Marking: Complies with global standards for European markets
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RoHS Compliance: Compliant since October 1, 2006
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WEEE Directive: Subject to take-back obligations under directive 2012/19/EU
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REACH Regulation: Contains lead in concentrations higher than 0.1% w/w as per Article 33 requirements
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Export Control: AL: N / ECCN: N
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Product Class: C - Products manufactured to order, cannot be returned against credit
Advanced Features
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Dual Pole Protection: Simultaneous disconnection of both line and neutral conductors
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Visual Status Indication: Window design with clear position indicators
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Touch Protection: Anti-finger contact terminal design for enhanced safety
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Dual-Chamber Terminals: Flexible conductor and busbar combinations
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Enhanced Safety: Insulated, dust-proof and anti-touch design
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Ergonomic Handle: Non-slip pattern handle for comfortable operation
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Modular Compatibility: Compatible with wide range of supplementary components
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Energy Limitation: Class 3 current limiting for enhanced protection
Product Classification
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eClass: 27-14-19-01 (versions 6-14)
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ETIM: EC000042 (versions 7-9)
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UNSPSC: 39-12-16-03
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IDEA: 4897
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Product Group: 5505
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