Siemens Miniature circuit breaker, C, 4-pole, 400V, 15kA, 63A Part number 5SY7463-7CC

Product Overview

The Siemens 5SY7463-7CC is a 4-pole miniature circuit breaker from the SENTRON series, rated for 63 A and designed for industrial use up to a rated voltage of 400 V AC, with a high breaking capacity for demanding applications.

Key Features

• 4-pole construction for full phase plus neutral switching
• Tripping characteristic **C-curve**, suitable for general loads and moderate inrush currents
• Rated current: 63 A
• High short-circuit breaking capacity: up to 15 kA (according to standard data) and up to 20 kA under IEC 60947-2 conditions
• Compact width: 4 modular units (≈ 72 mm) allowing space-efficient panel installation

Technical Specifications

• Product Series: SENTRON Miniature Circuit Breakers
• Article Number: 5SY7463-7CC
• Number of Poles: 4 (4 P)
• Rated Current (In): 63 A
• Tripping Characteristic: C curve
• Rated Operational Voltage (Ue): 400 V AC
• Rated Insulation Voltage (Ui): 440 V AC
• Rated Impulse Withstand Voltage (Uimp): 4 kV
• Switching / Short-Circuit Breaking Capacity (Icn): 15 kA normal; 20 kA per IEC 60947-2
• Width: 72 mm (4 units)
• Depth: 70 mm (installation depth)
• Protection Class: IP20 (with connected conductors)
• Ambient Operating Temperature Range: –40 °C to +70 °C
• Net Weight (Approx.): 0.667 kg

Compliance & Certifications

• Designed according to IEC/EN 60898-1 and IEC/EN 60947-2 standards
• Meets Siemens SENTRON system quality and safety assurance levels

Applications

The Siemens 5SY7463-7CC is suitable for main and distribution panel protection in industrial installations, especially where full four-pole isolation is required (for phase + neutral). It’s ideal for protecting feeders, branch circuits, and systems with moderate inrush loads, providing high short-circuit capacity and reliable performance.