Siemens Miniature circuit breaker, C-curve, 1-pole, 230V, 10kA, 50A

Product Overview The Siemens 5SL4150-7 is a high-performance SENTRON miniature circuit breaker designed for demanding high-current single-pole applications in residential, commercial, and industrial installations. This 1-pole device features a robust 50A current rating with 230/400V operational voltage and 10kA breaking capacity, incorporating C-curve trip characteristics optimized for high-current circuits with moderate inrush loads. The innovative 5SL4 series design includes advanced safety features such as tool-free removal capability, effective touch protection, and enhanced connectivity options, making it ideal for single-pole applications requiring reliable overcurrent protection with superior operational convenience and safety.

Key Features

• High Current Rating: 50A current capacity for demanding single-pole applications
• High Breaking Capacity: 10kA short-circuit breaking capacity for robust fault protection
• 1-Pole Configuration: Optimized for single-pole high-current applications and specialized circuits
• C-Curve Trip Characteristic: Optimized for general circuits and moderate inrush loads (5-10 In trip range)
• Dual Voltage Rating: 230/400V operational capability for flexible installation requirements
• Compact Single Module: Space-efficient 1-module width design with 70mm mounting depth
• Tool-Free Release System: Revolutionary latching slide mechanism for easy removal without tools
• Enhanced Safety Features: Effective touch protection with colored switch position indicator
• Wide Conductor Range: Accommodates conductors up to 35mm² with rectangular terminals
• Current Limiting Class 3: Advanced arc energy limitation for enhanced safety

Technical Specifications

• Current Rating: 50A
• Operating Voltage: 230/400V AC
• Breaking Capacity (Icn): 10kA at 230V and 400V according to EN 60898
• Breaking Capacity (Icu): 10kA at 230V and 400V according to IEC 60947-2
• Number of Poles: 1-pole (single pole protected)
• Trip Curve: C (5-10 In)
• Frequency: 50-60 Hz
• Current Limiting Class: 3
• Modular Width: 1 module
• Mounting Depth: 70mm
• Net Weight: 0.170 kg
• Protection Class: IP20
• Operating Temperature: -25°C to +55°C
• Overvoltage Category: 3
• Pollution Degree: 2
• Conductor Cross-Section: Up to 35mm² with pin busbars
• Country of Origin: Romania
• EAN: 4001869440224

Applications This 1-pole high-current C-curve miniature circuit breaker is particularly suitable for:

• High-current single-phase equipment protection
• Industrial machinery single-pole feeds requiring high current capacity
• Large motor starter circuits and control applications
• High-power lighting circuits in commercial and industrial facilities
• Welding equipment and high-current tool protection
• Electric heating systems and high-power appliances
• Industrial process equipment requiring single-pole protection
• Distribution panel main feeds and sub-circuit protection
• Commercial kitchen equipment and high-current appliances
• Specialized industrial applications requiring 50A single-pole protection

Advanced Design Features

• Latching Slide System: Revolutionary tool-free removal from bus-mounted assemblies with effective touch protection and latch-down option
• Rectangular Terminal Design: Enhanced cable entry capability with accommodation for pin busbars and conductors up to 35mm²
• Colored Switch Position Indicator: Easy-to-read visual indication integrated in the handle for clear operational status
• Consistent Bus Mounting: Compatible with comprehensive Siemens bus mounting concept throughout the entire range
• Accessory Compatibility: Quick and easy mounting of additional components including arc fault detection devices (AFDD), auxiliary switches, fault signal contacts, shunt trips, and undervoltage releases
• Handle Locking Capability: Provision for handle locking device to prevent unauthorized switching
• Ergonomic Design: User-friendly handle and housing contours for comfortable manual operation

High-Current Application Benefits

• Robust Construction: Engineered specifically for high-current applications up to 50A
• Thermal Management: Optimized design for reliable operation at maximum current capacity
• Enhanced Connectivity: Large conductor capacity accommodates high-current wiring requirements
• Industrial Reliability: Designed for demanding industrial and commercial applications
• Flexible Voltage Rating: 230/400V capability provides installation flexibility

Safety & Installation Benefits

• Touch Protection: Integrated terminal touch protection protects installers from electrical shock during connection
• Tool-Free Maintenance: Individual devices can be removed from bus-mounted assembly without tools for easy servicing
• Enhanced Wiring Space: Larger wiring space with easily accessible and safe line connections for high-current applications
• Climate Resistant: Designed according to IEC standards for reliable operation in various environmental conditions
• Sealable Handle: Optional sealing capability for enhanced security applications

Compliance & Certifications

• Standards Compliance: EN 60898-1, IEC 60947-2
• RoHS Compliance: Compliant since June 1, 2013
• WEEE Directive: Subject to take-back obligations under directive 2012/19/EU
• REACH Regulation: Contains Lead in concentrations higher than 0.1% w/w
• Export Control: AL: N / ECCN: N
• Product Class: B - Return restricted, contact Siemens partner
• Quality Certifications: CE marking, SENTRON quality standards

Product Classification

• eClass: 27-14-19-01 (versions 6-14)
• ETIM: EC000042 (versions 7-9)
• UNSPSC: 39-12-16-03
• Product Group: 3805

Download existing graphical data for this product:

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