Siemens Miniature circuit breaker, D-Curve, 3-pole, 400V, 15kA, 63A Part number 5SY7363-8CC

Product Overview

The Siemens 5SY7363-8CC is a 3-pole miniature circuit breaker from the SENTRON 5SY7 series, designed for dependable overcurrent and short-circuit protection in industrial and commercial electrical installations. With a rated current of 63 A and a D-curve tripping characteristic, it is ideal for applications with high inrush currents, such as motors and inductive loads.

Key Features

• 3-pole miniature circuit breaker
• Rated current: 63 A
• D-curve tripping characteristic for high inrush loads
• High breaking capacity for industrial applications
• Compact 54 mm width (3 modules)
• Halogen-free and silicon-free materials
• Reliable protection for three-phase systems

Technical Specifications

• Product Series: SENTRON 5SY7
• Article Number: 5SY7363-8CC
• Number of Poles: 3
• Rated Current (In): 63 A
• Rated Voltage: Up to 400 V AC
• Tripping Curve: D
• Breaking Capacity: Industrial-grade high breaking capacity
• Width: 54 mm (3 modules)
• Material Properties: Halogen-free, silicon-free
• Protection Class: IP20 (with connected conductors)

Compliance & Certifications

• Manufactured according to Siemens SENTRON quality standards
• Complies with international miniature circuit breaker standards
• RoHS compliant

Applications

Suitable for commercial and industrial three-phase installations requiring high-performance circuit protection, including motor circuits, transformer feeds, switchboards, and distribution panels—particularly where high inrush currents are present.