Siemens Miniature circuit breaker, 1-pole, 230/400V, 10kA, 16A

Product Overview

The Siemens 5SY4116-5 is a specialized high-performance miniature circuit breaker designed for superior protection of sensitive electronic equipment and semiconductor circuits. This compact 1-pole circuit breaker features a 16 A current rating with 230/400 V operational voltage, enhanced 10 kA breaking capacity, and unique A-type tripping characteristic, making it ideal for protecting very sensitive circuits such as semiconductors, electronic control systems, and precision instrumentation from overloads and short circuits.

Key Features

• Enhanced 10 kA Breaking Capacity: Superior protection against fault currents with higher breaking capacity than standard breakers
• Single-Pole Configuration: Space-efficient solution for single-phase line protection in sensitive electronic applications
• A-Type Characteristic: Specialized for very sensitive circuits with ultra-fast trip response (2-3 times rated current)
• Medium Current Rating: 16 A rating perfect for electronic equipment, control systems, and sensitive instrumentation
• Compact Design: Space-efficient 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: 16 A
• Voltage Rating: 230/400 V AC
• Breaking Capacity: 10 kA
• Number of Poles: 1
• Trip Characteristic: A-type (2-3 times rated current)
• Net Weight: 0.155 kg
• Depth: 70 mm (D=70 mm)
• Width: 1 modular spacing (18 mm)
• Operating Temperature: -25°C to +55°C
• Packaging Dimensions: 21.00 x 93.00 x 83.00 mm
• Country of Origin: Germany
• EAN: 4001869201061

Applications

This ultra-sensitive 1-pole circuit breaker is particularly suitable for:

• Semiconductor circuit protection
• Electronic control system protection
• Precision instrumentation circuits
• Computer and IT equipment protection
• Data processing equipment
• Communication system protection
• Laboratory and testing equipment
• Medical electronic device circuits
• Audio/visual equipment protection
• Automation and control panels
• PLC and controller circuits
• Sensor and measurement systems
• Electronic power supplies
• Variable frequency drive protection
• Sensitive motor control 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 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 - safe when used as intended
• Export Control: AL: N / ECCN: N
• Product Class: B - Return restricted, contact Siemens partner for returns

Advanced Features

• Ultra-Fast Trip Response: A-curve provides fastest protection for sensitive electronic circuits
• Single Pole Protection: Efficient line protection for single-phase sensitive applications
• 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
• High Breaking Performance: 35 kA breaking capacity according to IEC 60947-2
• Wide Temperature Range: Reliable operation from -25°C to +55°C for harsh environments

Specialized Protection Technology

• Magnetic Trip Point: 2-3 times rated current for maximum sensitivity
• Thermal Trip Point: 1.13-1.45 times rated current for precise overload protection
• Delayed Overload Release: Time-dependent thermal bimetal for low overcurrents
• Instantaneous Electromagnetic Release: For high overload and short-circuit currents
• Separate Switch Position Indication: Clear visual confirmation of breaker status

Product Classification

• eClass: 27-14-19-01 (versions 6-14)
• ETIM: EC000042 (versions 7-9)
• UNSPSC: 39-12-16-03
• IDEA: 4897
• Product Group: 5517

Download existing graphical data for this product:

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