Siemens Miniature circuit breaker, 3-pole, 400V, 10kA, 80A

Product Overview The Siemens 5SP4380-8 is a high-performance SENTRON miniature circuit breaker designed for demanding industrial applications requiring specialized overcurrent protection. This 3-pole device features an 80A current rating with 400V operational voltage and 10kA breaking capacity, incorporating D-curve trip characteristics optimized for motor circuits, transformers, and high-inrush current applications. The compact 70mm depth design enables efficient installation in standard electrical panels while providing reliable protection for three-phase electrical systems with exceptional performance in challenging industrial environments.

Key Features

• High Breaking Capacity: 10kA short-circuit breaking capacity for robust fault protection
• 3-Pole Configuration: Comprehensive protection for three-phase systems without neutral monitoring
• D-Curve Trip Characteristic: Optimized for motor circuits and high-inrush loads (10-20 In trip range)
• 80A Current Rating: Suitable for medium to high-current applications and industrial equipment
• Compact 70mm Depth: Space-efficient design for standard distribution panels
• 400V Operating Voltage: Ideal for commercial and industrial three-phase applications
• Touch-Safe Design: Enhanced personal safety against electric shock with reach-around protection
• Modular Construction: Standard DIN rail mounting for easy installation and maintenance
• Dual-Chamber Terminals: Advanced terminal design for secure connections
• Clear Position Indication: Visible ON/OFF/Trip status indicator

Technical Specifications

• Current Rating: 80A
• Operating Voltage: 400V AC
• Breaking Capacity: 10kA at 400V
• Number of Poles: 3-pole
• Trip Curve: D (10-20 In)
• Depth: 70mm
• Modular Width: 4.5 modules (3 modules standard)
• Net Weight: 0.756 kg
• Operating Temperature: -25°C to +55°C
• Storage Temperature: -40°C to +75°C
• Mounting: DIN rail (35mm)
• Protection Class: IP20 (front), IP00 (terminals)
• Network Frequency: 50/60 Hz
• Country of Origin: Turkey
• EAN: 4001869195506

Applications This 3-pole D-curve miniature circuit breaker is particularly suitable for:

• Three-phase motor protection circuits with high starting currents
• Transformer primary protection applications
• Welding equipment and high-inrush current loads
• Industrial machinery with semiconductor drives
• Solenoid valve and electromagnetic equipment protection
• Heavy-duty industrial motor control centers
• Manufacturing equipment with pulse-generating loads
• Inductive load protection in industrial facilities
• Power distribution for high-inrush applications
• Industrial automation panel protection

Compliance & Certifications

• Standards Compliance: IEC/EN 60947-2, EN 60898, UL1077 (typical for 5SP series)
• RoHS Compliance: Compliant since October 1, 2006
• WEEE Directive: Subject to take-back obligations under directive 2012/19/EU
• REACH Regulation: Currently no SVHC substances identified above 0.1% w/w threshold
• Export Control: AL: N / ECCN: N
• Product Class: B - Return restricted, contact Siemens partner
• Quality Certifications: CE marking (typical for 5SP series)

Product Classification

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

Download existing graphical data for this product:

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