Overview
The Siemens 5SY4318-7 (C15) is a robust 3-pole miniature circuit breaker from the Sentron 5SY4 series. Rated 15 amps at 400 VAC with a C-curve trip signature, and a 10 kA interrupting capacity, it’s ideal for applications with moderate inrush currents. Its compact depth (~70 mm) and 3-module DIN-rail width offer easy integration into industrial panels and power distribution systems.
Key Features
• Brand: Siemens (Sentron 5SY-series)
• Model: 5SY4318-7 (C15 trip curve)
• Poles: 3 (3P)
• Current Rating: 15 A
• Voltage Rating: 400 VAC, 50/60 Hz
• Breaking Capacity: 10 kA AC 
• Depth: ~70 mm 
• Modular width: 3 units (fits standard 3-module slots)
• Condition: New
Applications
• Industrial control panels
• Motor feeders and transformers with moderate inrush
• Three-phase distribution protection
• OEM / panel builder replacement parts
Overview
The Siemens 5SY4318-7 (C15) is a robust 3-pole miniature circuit breaker from the Sentron 5SY4 series. Rated 15 amps at 400 VAC with a C-curve trip signature, and a 10 kA interrupting capacity, it’s ideal for applications with moderate inrush currents. Its compact depth (~70 mm) and 3-module DIN-rail width offer easy integration into industrial panels and power distribution systems.
Key Features
• Brand: Siemens (Sentron 5SY-series)
• Model: 5SY4318-7 (C15 trip curve)
• Poles: 3 (3P)
• Current Rating: 15 A
• Voltage Rating: 400 VAC, 50/60 Hz
• Breaking Capacity: 10 kA AC 
• Depth: ~70 mm 
• Modular width: 3 units (fits standard 3-module slots)
• Condition: New
Applications
• Industrial control panels
• Motor feeders and transformers with moderate inrush
• Three-phase distribution protection
• OEM / panel builder replacement parts
Image 1 of 5
Image 2 of 5
Image 3 of 5
Image 4 of 5
Image 5 of 5