Siemens Circuit breaker, universal current, 1-pole, 230/400VAC, 10kA

Product Overview

The Siemens 5SY5103-7 is a high-performance universal current circuit breaker designed for reliable electrical protection in both DC and AC applications. This versatile 1-pole circuit breaker features a 3 A current rating with dual voltage capability (220 V DC / 230/400 V AC) and enhanced 10 kA breaking capacity, making it ideal for protecting electrical circuits in industrial applications, railway systems, and mixed AC/DC installations.

Key Features

• 10 kA Breaking Capacity: Enhanced protection against fault currents with higher breaking capacity than standard breakers
• Universal Current Design: Operates on both 220 V DC and 230/400 V AC systems for maximum versatility
• 1-Pole Configuration: Provides protection for single-phase electrical systems and individual circuits
• C-Type Characteristic: Optimized for general applications with moderate inrush currents (5-10 times rated current)
• Low Current Rating: 3 A rating perfect for control circuits and sensitive electronic equipment
• Compact Design: Space-efficient construction suitable for standard DIN rail mounting
• German Engineering: Manufactured in Germany ensuring premium quality and reliability
• UL1077 Recognition: Certified as supplementary protector for enhanced circuit protection

Technical Specifications

• Current Rating: 3 A
• Voltage Rating: 220 V DC / 230/400 V AC (Universal)
• Breaking Capacity: 10 kA
• Number of Poles: 1
• Trip Characteristic: C-type
• Net Weight: 0.1665 kg
• Packaging Dimensions: 21.00 x 93.00 x 83.00 mm
• Country of Origin: Germany
• EAN: 4001869226354

Applications

This universal circuit breaker is particularly suitable for:

• DC power supply protection
• Railway applications and transportation systems
• Industrial control circuits (both AC and DC)
• Mixed voltage installations
• Solar power systems and renewable energy
• Battery backup systems
• Telecommunications equipment
• Control circuit protection
• Electronic equipment protection
• Instrumentation circuits
• Motor control circuits on secondary side of control transformers
• Industrial control panels
• Distribution boards

Compliance & Certifications

• Standards Compliance: UL1077 recognized, CSA 22.2 No. 235, IEC/EN 60 947-2 EN 60 898
• CE Marking: Complies with global standards for European markets
• RoHS Compliance: Compliant since January 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

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