Siemens Siemens Miniature circuit breaker, C, 1+N-pole, 230V, 10kA, 4A Part number 5SY4504-7

Product Overview

The Siemens 5SY4504-7 is a 1P + N miniature circuit breaker (SENTRON series) rated at 4 A with a C-curve tripping characteristic. Designed for reliable overload and short-circuit protection up to 230 V AC, it offers high breaking capacity in a compact, DIN-rail mountable form for residential, commercial, and industrial installations.

Key Features

• Rated Current: 4 A
• Poles: 1P + N (two poles)
• Trip Curve: C (moderate inrush tolerance)
• Operating Voltage: 230 V AC
• Breaking Capacity: 10 kA (EN 60898) / up to 35 kA (IEC 60947-2)
• Compact Width: 36 mm (2 modular widths)
• Installation Depth: 70 mm
• Protection Class: IP20 (finger-safe when wired)
• Terminals: Screw-type for secure wiring

Technical Specifications

• Product Series: SENTRON 5SY4 Miniature Circuit Breakers
• Article Number: 5SY4504-7
• Rated Current (In): 4 A
• Rated Voltage (Un): 230 V AC
• Insulation Voltage (Ui): 250 V
• Breaking Capacity (Icn): 10 kA (EN 60898) / 35 kA (IEC 60947-2)
• Mechanical Service Life: Up to 10,000 switching operations
• Electrical Endurance: ~4,000 switching cycles under load
• Terminal Capacity: 0.75 … 35 mm² (solid/stranded)
• Mounting: 35 mm DIN rail
• Ambient Operating Temperature: −40 °C to +70 °C
• Width × Height × Depth: 36 mm × ~90 mm × 70 mm
• Housing Material: Thermoplastic, halogen-free and flame-retardant
• Country of Origin: Germany

Compliance & Certifications

• Standards: EN 60898-1, IEC/EN 60947-2
• CE Marking: Conforms to applicable EU directives
• RoHS: Compliant; free from restricted hazardous substances
• Quality: Manufactured under ISO 9001 quality management
• Material: Halogen- and silicon-free design

Applications

Ideal for overload and short-circuit protection in distribution boards and control panels across residential, commercial, and industrial environments. Typical uses include lighting circuits, socket outlets, and general-purpose loads where compact size and high breaking capacity are required.